<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Mount Chacaltaya" />
  <attribute name="keywords" value="reference_beam_signal, mass_concentration_of_attenuation_coefficient_in_pm10_in_air, attenuation_coefficient, mass_concentration_of_equivalent_black_carbon_in_pm10_in_air, mass_concentration_of_reference_beam_signal_in_pm10_in_air, pm10, equivalent_black_carbon, sensing_beam_signal, mass_concentration_of_sensing_beam_signal_in_pm10_in_air, reference_zero_signal, mass_concentration_of_reference_zero_signal_in_pm10_in_air, mass_concentration_of_bypass_fraction_in_pm10_in_air, Mount Chacaltaya, GAW-WDCA, flow_rate, BO0001R, sensing_zero_signal, mass_concentration_of_sensing_zero_signal_in_pm10_in_air, ACTRIS, bypass_fraction" />
  <attribute name="id" value="697N-AF8J.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/697N-AF8J" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Laj, P., Barret, M., 2016, Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/697N-AF8J" />
  <attribute name="summary" value="Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Mount Chacaltaya. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: attenuation_coefficient in pm10 (mass_concentration_of_attenuation_coefficient_in_pm10_in_air), bypass_fraction in pm10 (mass_concentration_of_bypass_fraction_in_pm10_in_air), equivalent_black_carbon in pm10 (mass_concentration_of_equivalent_black_carbon_in_pm10_in_air), flow_rate in pm10, reference_beam_signal in pm10 (mass_concentration_of_reference_beam_signal_in_pm10_in_air), reference_zero_signal in pm10 (mass_concentration_of_reference_zero_signal_in_pm10_in_air), sensing_beam_signal in pm10 (mass_concentration_of_sensing_beam_signal_in_pm10_in_air), sensing_zero_signal in pm10 (mass_concentration_of_sensing_zero_signal_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="BO01L, Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2016-08-26T07:03:25 UTC" />
  <attribute name="date_metadata_modified" value="2016-08-26T07:03:25 UTC" />
  <attribute name="creator_name" value="Paolo Laj, Manuel Barret" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="paolo.laj@univ-grenoble-alpes.fr, " />
  <attribute name="creator_institution" value="&quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, " />
  <attribute name="contributor_name" value="Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (-16.2 -68.1 5320.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="-16.2" />
  <attribute name="geospatial_lat_max" type="double" value="-16.2" />
  <attribute name="geospatial_lon_min" type="double" value="-68.1" />
  <attribute name="geospatial_lon_max" type="double" value="-68.1" />
  <attribute name="geospatial_vertical_min" type="double" value="5320.0" />
  <attribute name="geospatial_vertical_max" type="double" value="5320.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2011-12-09T17:05:00 UTC" />
  <attribute name="time_coverage_end" value="2011-12-09T22:55:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-00-00T05:50:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Laj, P., Barret, M., 2016, Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/697N-AF8J" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="697N-AF8J.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/697N-AF8J" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/697N-AF8J" />
  <attribute name="ebas_file_creation" value="2024-02-18T04:43:10.713890 UTC" />
  <attribute name="ebas_export_state" value="2015-04-21T19:41:59.323000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20111209170500" />
  <attribute name="ebas_revision_date" value="20160826070325" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, raw data" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="0" />
  <attribute name="ebas_period_code" value="350mn" />
  <attribute name="ebas_resolution_code" value="5mn" />
  <attribute name="ebas_sample_duration" value="5mn" />
  <attribute name="ebas_orig_time_res" value="5mn" />
  <attribute name="ebas_station_code" value="BO0001R" />
  <attribute name="ebas_platform_code" value="BO0001S" />
  <attribute name="ebas_station_name" value="Mount Chacaltaya" />
  <attribute name="ebas_station_latitude" value="-16.2000007629395" />
  <attribute name="ebas_station_longitude" value="-68.0999984741211" />
  <attribute name="ebas_station_altitude" value="5320.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="-16.2" />
  <attribute name="ebas_measurement_longitude" value="-68.1" />
  <attribute name="ebas_measurement_altitude" value="5320.0 m" />
  <attribute name="ebas_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="BO01L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
  <attribute name="ebas_instrument_manufacturer" value="Magee" />
  <attribute name="ebas_instrument_model" value="AE31" />
  <attribute name="ebas_instrument_serial_number" value="1109" />
  <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Cyclone" />
  <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
  <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
  <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
  <attribute name="ebas_volume_std_temperature" value="291.15 K" />
  <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
  <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
  <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Laj, P., Barret, M., 2016, Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/697N-AF8J&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;697N-AF8J.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/697N-AF8J&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/697N-AF8J&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-18T04:43:10.713890 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2015-04-21T19:41:59.323000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20111209170500&quot;,&#xA;    &quot;Revision date&quot;: &quot;20160826070325&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, raw data&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;0&quot;,&#xA;    &quot;Period code&quot;: &quot;350mn&quot;,&#xA;    &quot;Resolution code&quot;: &quot;5mn&quot;,&#xA;    &quot;Sample duration&quot;: &quot;5mn&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&quot;,&#xA;    &quot;Station code&quot;: &quot;BO0001R&quot;,&#xA;    &quot;Platform code&quot;: &quot;BO0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;Mount Chacaltaya&quot;,&#xA;    &quot;Station latitude&quot;: &quot;-16.2000007629395&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-68.0999984741211&quot;,&#xA;    &quot;Station altitude&quot;: &quot;5320.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;-16.2&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-68.1&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;5320.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;BO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Magee_AE31_CHC_ambient&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Magee&quot;,&#xA;    &quot;Instrument model&quot;: &quot;AE31&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;1109&quot;,&#xA;    &quot;Method ref&quot;: &quot;BO01L_aethalometer_Magee_AE31_lev0&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Cyclone&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Custom made, 150L/min, PM15&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Other (see metadata)&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;active, sample heated when relative humidity is &gt; 90%RH (threshold)&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;291.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;540.00 hPa&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability as estimated by Bond et al., 1999.&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;BO01L, \&quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia\&quot;, , , , , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Barret, Manuel, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Pascal, Nicolas, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment&quot;,&#xA;    &quot;Comment&quot;: &quot;calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2&quot;&#xA;}" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="68" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="relative_humidity_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_0_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_1_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_2_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_3_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_4_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_5_qc_flags" length="1" />
  <dimension name="attenuation_coefficient_6_qc_flags" length="1" />
  <dimension name="bypass_fraction_0_qc_flags" length="1" />
  <dimension name="bypass_fraction_1_qc_flags" length="1" />
  <dimension name="bypass_fraction_2_qc_flags" length="1" />
  <dimension name="bypass_fraction_3_qc_flags" length="1" />
  <dimension name="bypass_fraction_4_qc_flags" length="1" />
  <dimension name="bypass_fraction_5_qc_flags" length="1" />
  <dimension name="bypass_fraction_6_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_0_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_1_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_2_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_3_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_4_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_5_qc_flags" length="1" />
  <dimension name="equivalent_black_carbon_6_qc_flags" length="1" />
  <dimension name="flow_rate_qc_flags" length="1" />
  <dimension name="reference_beam_signal_0_qc_flags" length="1" />
  <dimension name="reference_beam_signal_1_qc_flags" length="1" />
  <dimension name="reference_beam_signal_2_qc_flags" length="1" />
  <dimension name="reference_beam_signal_3_qc_flags" length="1" />
  <dimension name="reference_beam_signal_4_qc_flags" length="1" />
  <dimension name="reference_beam_signal_5_qc_flags" length="1" />
  <dimension name="reference_beam_signal_6_qc_flags" length="1" />
  <dimension name="reference_zero_signal_0_qc_flags" length="1" />
  <dimension name="reference_zero_signal_1_qc_flags" length="1" />
  <dimension name="reference_zero_signal_2_qc_flags" length="1" />
  <dimension name="reference_zero_signal_3_qc_flags" length="1" />
  <dimension name="reference_zero_signal_4_qc_flags" length="1" />
  <dimension name="reference_zero_signal_5_qc_flags" length="1" />
  <dimension name="reference_zero_signal_6_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_0_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_1_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_2_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_3_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_4_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_5_qc_flags" length="1" />
  <dimension name="sensing_beam_signal_6_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_0_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_1_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_2_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_3_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_4_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_5_qc_flags" length="1" />
  <dimension name="sensing_zero_signal_6_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2011-12-09T17:07:30Z" />
    <attribute name="time_coverage_end" value="2011-12-09T22:52:30Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="308.0" />
    <attribute name="time_coverage_duration" value="P0Y0M0DT5H45M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-12" />
    <attribute name="nciso_version" value="2.4.7" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="pressure" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="pressure_qc pressure_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150414133424" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="pressure_qc" shape="pressure_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="pressure_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="relative_humidity" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="relative_humidity" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="%" />
    <attribute name="ancillary_variables" value="relative_humidity_qc relative_humidity_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150414133424" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="relative_humidity_qc" shape="relative_humidity_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="relative_humidity_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_qc temperature_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150414133424" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
    <attribute name="ebas_unit" value="K" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="temperature_qc" shape="temperature_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_0_qc attenuation_coefficient_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_0_qc" shape="attenuation_coefficient_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_1_qc attenuation_coefficient_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_1_qc" shape="attenuation_coefficient_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_2_qc attenuation_coefficient_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_2_qc" shape="attenuation_coefficient_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_3_qc attenuation_coefficient_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_3_qc" shape="attenuation_coefficient_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_4_qc attenuation_coefficient_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_4_qc" shape="attenuation_coefficient_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_5_qc attenuation_coefficient_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_5_qc" shape="attenuation_coefficient_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="attenuation_coefficient_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="attenuation_coefficient_6_qc attenuation_coefficient_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="attenuation_coefficient_6_qc" shape="attenuation_coefficient_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="attenuation_coefficient_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_0_qc bypass_fraction_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_0_qc" shape="bypass_fraction_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_1_qc bypass_fraction_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_1_qc" shape="bypass_fraction_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_2_qc bypass_fraction_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_2_qc" shape="bypass_fraction_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_3_qc bypass_fraction_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_3_qc" shape="bypass_fraction_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_4_qc bypass_fraction_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_4_qc" shape="bypass_fraction_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_5_qc bypass_fraction_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_5_qc" shape="bypass_fraction_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="bypass_fraction_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="bypass_fraction_6_qc bypass_fraction_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="bypass_fraction_6_qc" shape="bypass_fraction_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="bypass_fraction_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_0_qc equivalent_black_carbon_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_0_qc" shape="equivalent_black_carbon_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_1_qc equivalent_black_carbon_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_1_qc" shape="equivalent_black_carbon_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_2_qc equivalent_black_carbon_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_2_qc" shape="equivalent_black_carbon_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_3_qc equivalent_black_carbon_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_3_qc" shape="equivalent_black_carbon_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_4_qc equivalent_black_carbon_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_4_qc" shape="equivalent_black_carbon_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_5_qc equivalent_black_carbon_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_5_qc" shape="equivalent_black_carbon_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="equivalent_black_carbon_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="equivalent_black_carbon_6_qc equivalent_black_carbon_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="equivalent_black_carbon_6_qc" shape="equivalent_black_carbon_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="equivalent_black_carbon_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="flow_rate" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="l/min" />
    <attribute name="ancillary_variables" value="flow_rate_qc flow_rate_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="flow_rate" />
    <attribute name="ebas_unit" value="l/min" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="flow_rate_qc" shape="flow_rate_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="flow_rate_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_0_qc reference_beam_signal_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_0_qc" shape="reference_beam_signal_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_beam_signal_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_1_qc reference_beam_signal_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_1_qc" shape="reference_beam_signal_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_beam_signal_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_2_qc reference_beam_signal_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_2_qc" shape="reference_beam_signal_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_beam_signal_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_3_qc reference_beam_signal_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_3_qc" shape="reference_beam_signal_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_beam_signal_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_4_qc reference_beam_signal_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_4_qc" shape="reference_beam_signal_4_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="reference_beam_signal_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_5_qc reference_beam_signal_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_5_qc" shape="reference_beam_signal_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_beam_signal_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_beam_signal_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_beam_signal_6_qc reference_beam_signal_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_beam_signal_6_qc" shape="reference_beam_signal_6_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="reference_beam_signal_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_0_qc reference_zero_signal_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_0_qc" shape="reference_zero_signal_0_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="reference_zero_signal_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_1_qc reference_zero_signal_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_1_qc" shape="reference_zero_signal_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_zero_signal_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_2_qc reference_zero_signal_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_2_qc" shape="reference_zero_signal_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_zero_signal_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_3_qc reference_zero_signal_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_3_qc" shape="reference_zero_signal_3_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="reference_zero_signal_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_4_qc reference_zero_signal_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_4_qc" shape="reference_zero_signal_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_zero_signal_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_5_qc reference_zero_signal_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_5_qc" shape="reference_zero_signal_5_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="reference_zero_signal_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="reference_zero_signal_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="reference_zero_signal_6_qc reference_zero_signal_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="reference_zero_signal_6_qc" shape="reference_zero_signal_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="reference_zero_signal_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_0_qc sensing_beam_signal_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_0_qc" shape="sensing_beam_signal_0_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_1_qc sensing_beam_signal_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_1_qc" shape="sensing_beam_signal_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_2_qc sensing_beam_signal_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_2_qc" shape="sensing_beam_signal_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_3_qc sensing_beam_signal_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_3_qc" shape="sensing_beam_signal_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_4_qc sensing_beam_signal_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_4_qc" shape="sensing_beam_signal_4_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_5_qc sensing_beam_signal_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_5_qc" shape="sensing_beam_signal_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_beam_signal_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_beam_signal_6_qc sensing_beam_signal_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_beam_signal_6_qc" shape="sensing_beam_signal_6_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_beam_signal_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_0_qc sensing_zero_signal_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_0_qc" shape="sensing_zero_signal_0_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_1_qc sensing_zero_signal_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_1_qc" shape="sensing_zero_signal_1_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_2_qc sensing_zero_signal_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_2_qc" shape="sensing_zero_signal_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_3_qc sensing_zero_signal_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_3_qc" shape="sensing_zero_signal_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_4_qc sensing_zero_signal_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_4_qc" shape="sensing_zero_signal_4_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_5_qc sensing_zero_signal_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_5_qc" shape="sensing_zero_signal_5_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_6_qc sensing_zero_signal_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160826070325" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="0" />
    <attribute name="ebas_sample_duration" value="5mn" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_aethalometer_Magee_AE31_lev0" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Barret, Manuel, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=TBD;  sample_spot_area=TBD m2" />
  </variable>
  <variable name="sensing_zero_signal_6_qc" shape="sensing_zero_signal_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sensing_zero_signal_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
