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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Particle_number_concentration at Puy de Dôme" />
  <attribute name="keywords" value="particle_number_concentration, FR0030R, aerosol, ACTRIS, Puy de Dôme, GAW-WDCA, number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
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  <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 the data originators, in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/4NB7-DUT9" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Sellegri, K., Pichon, J., Picard, D., ACTRIS, GAW-WDCA, 2017, Particle_number_concentration at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/4NB7-DUT9" />
  <attribute name="summary" value="Particle_number_concentration at Puy de Dôme. 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: particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air), particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air), particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR04L, CNRS-LaMP, Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2017-08-01T07:03:00 UTC" />
  <attribute name="date_metadata_modified" value="2017-08-01T07:03:00 UTC" />
  <attribute name="creator_name" value="Karine Sellegri, Jean-Marc Pichon, David Picard" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="k.sellegri@opgc.fr, , d.picard@opgc.univ-bpclermont.fr" />
  <attribute name="creator_institution" value="&quot;CNRS-LaMP, Campus des Cezea&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 (45.772223 2.964886 1465.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="geospatial_lon_max" type="double" value="2.964886" />
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  <attribute name="geospatial_vertical_max" type="double" value="1465.0" />
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  <attribute name="time_coverage_start" value="2015-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
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  <attribute name="ebas_citation" value="Sellegri, K., Pichon, J., Picard, D., ACTRIS, GAW-WDCA, 2017, Particle_number_concentration at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/4NB7-DUT9" />
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  <attribute name="ebas_resolution_code" value="1h" />
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  <attribute name="ebas_orig_time_res" value="5mn" />
  <attribute name="ebas_station_code" value="FR0030R" />
  <attribute name="ebas_platform_code" value="FR0030S" />
  <attribute name="ebas_station_name" value="Puy de Dôme" />
  <attribute name="ebas_station_gaw_id" value="PUY" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Mountain" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="45.772223" />
  <attribute name="ebas_station_longitude" value="2.964886" />
  <attribute name="ebas_station_altitude" value="1465.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="45.772223" />
  <attribute name="ebas_measurement_longitude" value="2.964886" />
  <attribute name="ebas_measurement_altitude" value="1465.0 m" />
  <attribute name="ebas_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FR04L" />
  <attribute name="ebas_instrument_type" value="cpc" />
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  <attribute name="ebas_instrument_model" value="3010" />
  <attribute name="ebas_instrument_serial_number" value="2348" />
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  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="Inlet length/diameter ~3 m/ 0.50 m, 100L/min at top of inlet (outside), an auxillary flow of ~ 100l at the bottom of inlet to ensure isokinetic flow. CPC sample flow = 1 l/min" />
  <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_measurement_uncertainty_expl" value="+/-10 percents compared to standard" />
  <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" />
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  <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="Picard, David, d.picard@opgc.univ-bpclermont.fr, , , , , , , , " />
  <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 the data originators, in terms of acknowledgment" />
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  <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;Sellegri, K., Pichon, J., Picard, D., ACTRIS, GAW-WDCA, 2017, Particle_number_concentration at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/4NB7-DUT9&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;4NB7-DUT9.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/4NB7-DUT9&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/4NB7-DUT9&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-05-05T19:38:20.909179 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2017-08-01T07:03:00.350000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20150101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20170801070300&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;2y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&quot;,&#xA;    &quot;Station code&quot;: &quot;FR0030R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FR0030S&quot;,&#xA;    &quot;Station name&quot;: &quot;Puy de Dôme&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;PUY&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;45.772223&quot;,&#xA;    &quot;Station longitude&quot;: &quot;2.964886&quot;,&#xA;    &quot;Station altitude&quot;: &quot;1465.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;45.772223&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;2.964886&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;1465.0 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;FR04L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;cpc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;cpc_TSI_3010&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3010&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;2348&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR04L_TSI_3010_PUY&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Inlet length/diameter ~3 m/ 0.50 m, 100L/min at top of inlet (outside), an auxillary flow of ~ 100l at the bottom of inlet to ensure isokinetic flow. CPC sample flow = 1 l/min&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Other (see metadata)&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;+/-10 percents compared to standard&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;FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France&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;Picard, David, d.picard@opgc.univ-bpclermont.fr, , , , , , , , &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 the data originators, in terms of acknowledgment&quot;&#xA;}" />
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  <dimension name="time" length="17544" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="Location" length="1" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_concentration_amean_qc_flags" length="1" />
  <dimension name="particle_number_concentration_prec1587_qc_flags" length="1" />
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    <attribute name="ebas_measuremenet_latitude" value="45.772223" />
    <attribute name="ebas_measurement_longitude" value="2.964886" />
    <attribute name="ebas_measurement_altitude" value="1465.0 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="FR04L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="cpc_TSI_3010" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_instrument_serial_number" value="2348" />
    <attribute name="ebas_method_ref" value="FR04L_TSI_3010_PUY" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Inlet length/diameter ~3 m/ 0.50 m, 100L/min at top of inlet (outside), an auxillary flow of ~ 100l at the bottom of inlet to ensure isokinetic flow. CPC sample flow = 1 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="+/-10 percents compared to standard" />
    <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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <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="Picard, David, d.picard@opgc.univ-bpclermont.fr, , , , , , , , " />
    <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 the data originators, in terms of acknowledgment" />
  </variable>
  <variable name="temperature_qc" shape="Location 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="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_amean_qc particle_number_concentration_amean_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="20170801070300" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
    <attribute name="ebas_station_gaw_id" value="PUY" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="45.772223" />
    <attribute name="ebas_station_longitude" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="45.772223" />
    <attribute name="ebas_measurement_longitude" value="2.964886" />
    <attribute name="ebas_measurement_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="cpc_TSI_3010" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_instrument_serial_number" value="2348" />
    <attribute name="ebas_method_ref" value="FR04L_TSI_3010_PUY" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Inlet length/diameter ~3 m/ 0.50 m, 100L/min at top of inlet (outside), an auxillary flow of ~ 100l at the bottom of inlet to ensure isokinetic flow. CPC sample flow = 1 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.001 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Signal to noise 20/1 minimum, no detection limit flag used, instrument characteristics, information from TSI" />
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    <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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <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="Picard, David, d.picard@opgc.univ-bpclermont.fr, , , , , , , , " />
    <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 the data originators, in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_concentration_amean_qc" shape="particle_number_concentration_amean_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="particle_number_concentration_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_prec1587" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_prec1587_qc particle_number_concentration_prec1587_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20170801070300" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
    <attribute name="ebas_station_gaw_id" value="PUY" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="45.772223" />
    <attribute name="ebas_station_longitude" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="45.772223" />
    <attribute name="ebas_measurement_longitude" value="2.964886" />
    <attribute name="ebas_measurement_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="cpc_TSI_3010" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_instrument_serial_number" value="2348" />
    <attribute name="ebas_method_ref" value="FR04L_TSI_3010_PUY" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Inlet length/diameter ~3 m/ 0.50 m, 100L/min at top of inlet (outside), an auxillary flow of ~ 100l at the bottom of inlet to ensure isokinetic flow. CPC sample flow = 1 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.001 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Signal to noise 20/1 minimum, no detection limit flag used, instrument characteristics, information from TSI" />
    <attribute name="ebas_measurement_uncertainty_expl" value="+/-10 percents compared to standard" />
    <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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <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="Picard, David, d.picard@opgc.univ-bpclermont.fr, , , , , , , , " />
    <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 the data originators, in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_concentration_prec1587_qc" shape="particle_number_concentration_prec1587_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="particle_number_concentration_prec1587_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_perc8413_qc particle_number_concentration_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20170801070300" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
    <attribute name="ebas_station_gaw_id" value="PUY" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="45.772223" />
    <attribute name="ebas_station_longitude" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="45.772223" />
    <attribute name="ebas_measurement_longitude" value="2.964886" />
    <attribute name="ebas_measurement_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="cpc_TSI_3010" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_instrument_serial_number" value="2348" />
    <attribute name="ebas_method_ref" value="FR04L_TSI_3010_PUY" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Inlet length/diameter ~3 m/ 0.50 m, 100L/min at top of inlet (outside), an auxillary flow of ~ 100l at the bottom of inlet to ensure isokinetic flow. CPC sample flow = 1 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.001 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Signal to noise 20/1 minimum, no detection limit flag used, instrument characteristics, information from TSI" />
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    <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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <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="Picard, David, d.picard@opgc.univ-bpclermont.fr, , , , , , , , " />
    <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 the data originators, in terms of acknowledgment" />
  </variable>
  <variable name="particle_number_concentration_perc8413_qc" shape="particle_number_concentration_perc8413_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="particle_number_concentration_perc8413_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>
  <variable name="Location" shape="Location" type="String" />
</netcdf>
