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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="OC/EC at Pic du Midi" />
  <attribute name="keywords" value="aerosol, mass_concentration_of_total_carbon_in_dry_aerosol_particles_in _air, elemental_carbon, ACTRIS, EMEP, total_carbon, Pic du Midi, organic_carbon, mass_concentration_of_elemental_carbon_expressed_as_carbon_in_dry_aerosol_particles_in _air, FR0019R, GAW-WDCA, mass_concentration_of_organic_carbon_in_dry_aerosol_particles_in _air" />
  <attribute name="id" value="MGM6-KCYD.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, 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, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/MGM6-KCYD" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Pont, V., ACTRIS, EMEP, GAW-WDCA, 2020, OC/EC at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MGM6-KCYD" />
  <attribute name="summary" value="OC/EC at Pic du Midi. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: elemental_carbon in aerosol (mass_concentration_of_elemental_carbon_expressed_as_carbon_in_dry_aerosol_particles_in _air), elemental_carbon in aerosol (mass_concentration_of_elemental_carbon_expressed_as_carbon_in_dry_aerosol_particles_in _air), organic_carbon in aerosol (mass_concentration_of_organic_carbon_in_dry_aerosol_particles_in _air), organic_carbon in aerosol (mass_concentration_of_organic_carbon_in_dry_aerosol_particles_in _air), total_carbon in aerosol (mass_concentration_of_total_carbon_in_dry_aerosol_particles_in _air), total_carbon in aerosol (mass_concentration_of_total_carbon_in_dry_aerosol_particles_in _air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR05L, Aerology Laboratory, PO Box 31400, Toulouse" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-02-18T12:51:23 UTC" />
  <attribute name="date_metadata_modified" value="2020-02-18T12:51:23 UTC" />
  <attribute name="creator_name" value="Veronique Pont" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <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 (42.9372 0.1411 2877.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="42.9372" />
  <attribute name="geospatial_lat_max" type="double" value="42.9372" />
  <attribute name="geospatial_lon_min" type="double" value="0.1411" />
  <attribute name="geospatial_lon_max" type="double" value="0.1411" />
  <attribute name="geospatial_vertical_min" type="double" value="2877.0" />
  <attribute name="geospatial_vertical_max" type="double" value="2877.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2017-01-03T10:45:00 UTC" />
  <attribute name="time_coverage_end" value="2019-12-31T14:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-11-28T03:15:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <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="Pont, V., ACTRIS, EMEP, GAW-WDCA, 2020, OC/EC at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MGM6-KCYD" />
  <attribute name="ebas_set_type_code" value="TI" />
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  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/MGM6-KCYD" />
  <attribute name="ebas_file_creation" value="2024-05-02T21:34:14.343506 UTC" />
  <attribute name="ebas_export_state" value="2020-10-23T11:38:26.593000 UTC" />
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  <attribute name="ebas_revision_date" value="20200218125123" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="3y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
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  <attribute name="ebas_station_code" value="FR0019R" />
  <attribute name="ebas_platform_code" value="FR0019S" />
  <attribute name="ebas_station_name" value="Pic du Midi" />
  <attribute name="ebas_station_latitude" value="42.936667" />
  <attribute name="ebas_station_longitude" value="0.141944" />
  <attribute name="ebas_station_altitude" value="2877.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="42.9372" />
  <attribute name="ebas_measurement_longitude" value="0.1411" />
  <attribute name="ebas_measurement_altitude" value="2877.0 m" />
  <attribute name="ebas_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ug C/m3" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="FR05L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="low_vol_sampler_KNF_IP20-T" />
  <attribute name="ebas_instrument_manufacturer" value="KNF" />
  <attribute name="ebas_instrument_model" value="IP20-T" />
  <attribute name="ebas_instrument_serial_number" value="NA" />
  <attribute name="ebas_analytical_laboratory_code" value="FR05L" />
  <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
  <attribute name="ebas_analytical_instrument_name" value="Thermo-optical_carbon-analyser" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="DRI" />
  <attribute name="ebas_analytical_instrument_model" value="Model 2001 Thermal/Optical Carbon Analyzer" />
  <attribute name="ebas_analytical_instrument_serial_number" value="unknown" />
  <attribute name="ebas_method_ref" value="FR05L_KNF_IP20-T_PDM_ambient" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_flow_rate" value="39.26 l/min" />
  <attribute name="ebas_filter_face_velocity" value="52.09 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="12.56 cm2" />
  <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
  <attribute name="ebas_filter_conditioning" value="None" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_artifact_correction" value="None" />
  <attribute name="ebas_charring_correction" value="By laser transmission" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with unfrozen sampling head" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
  <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
  <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, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  <attribute name="ebas_comment" value="None" />
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  <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;Pont, V., ACTRIS, EMEP, GAW-WDCA, 2020, OC/EC at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MGM6-KCYD&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;MGM6-KCYD.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/MGM6-KCYD&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/MGM6-KCYD&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-05-02T21:34:14.343506 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-10-23T11:38:26.593000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20170103104500&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200218125123&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;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1w&quot;,&#xA;    &quot;Station code&quot;: &quot;FR0019R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FR0019S&quot;,&#xA;    &quot;Station name&quot;: &quot;Pic du Midi&quot;,&#xA;    &quot;Station latitude&quot;: &quot;42.936667&quot;,&#xA;    &quot;Station longitude&quot;: &quot;0.141944&quot;,&#xA;    &quot;Station altitude&quot;: &quot;2877.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;42.9372&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;0.1411&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;2877.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ug C/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FR05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;low_vol_sampler_KNF_IP20-T&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;KNF&quot;,&#xA;    &quot;Instrument model&quot;: &quot;IP20-T&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;NA&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;FR05L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;thermal-optical_analysis&quot;,&#xA;    &quot;Analytical instrument name&quot;: &quot;Thermo-optical_carbon-analyser&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;DRI&quot;,&#xA;    &quot;Analytical instrument model&quot;: &quot;Model 2001 Thermal/Optical Carbon Analyzer&quot;,&#xA;    &quot;Analytical instrument serial number&quot;: &quot;unknown&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR05L_KNF_IP20-T_PDM_ambient&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v2014, TEMP=EUSAAR_2&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Flow rate&quot;: &quot;39.26 l/min&quot;,&#xA;    &quot;Filter face velocity&quot;: &quot;52.09 cm/s&quot;,&#xA;    &quot;Exposed filter area&quot;: &quot;12.56 cm2&quot;,&#xA;    &quot;Filter description&quot;: &quot;Whatman QM-A 47mm&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Filter prefiring&quot;: &quot;723.0 K, 48.0 h&quot;,&#xA;    &quot;Filter conditioning&quot;: &quot;None&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;None&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Artifact correction&quot;: &quot;None&quot;,&#xA;    &quot;Charring correction&quot;: &quot;By laser transmission&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;filter kept at ambient conditions together with unfrozen sampling head&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;ambient&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;ambient&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of field blanks&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as measured if within detection limit, flagged with 780&quot;,&#xA;    &quot;Organization&quot;: &quot;FR05L, Aerology Laboratory, , , \&quot;PO Box 31400, Toulouse\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Pont, Veronique, , , , , , , , , &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, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment&quot;,&#xA;    &quot;Comment&quot;: &quot;None&quot;&#xA;}" />
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  <dimension name="time" length="156" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="3" />
  <dimension name="elemental_carbon_amean_qc_flags" length="1" />
  <dimension name="elemental_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="organic_carbon_amean_qc_flags" length="1" />
  <dimension name="organic_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="Fraction" length="5" />
  <dimension name="organic_carbon_amean_Fraction_qc_flags" length="1" />
  <dimension name="total_carbon_amean_qc_flags" length="1" />
  <dimension name="total_carbon_uncertainty_qc_flags" length="1" />
  <group name="CFMetadata">
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    <attribute name="time_coverage_end" value="2019-12-27T23:00:00Z" />
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    <attribute name="time_coverage_resolution" value="604768.0" />
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    <attribute name="ebas_platform_code" value="FR0019S" />
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    <attribute name="ebas_station_latitude" value="42.936667" />
    <attribute name="ebas_station_longitude" value="0.141944" />
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    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with unfrozen sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="None" />
  </variable>
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    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="missing_value" type="int" value="0" />
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  </variable>
  <variable name="elemental_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="elemental_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_elemental_carbon_expressed_as_carbon_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="elemental_carbon_uncertainty_qc elemental_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
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    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <attribute name="ebas_station_code" value="FR0019R" />
    <attribute name="ebas_platform_code" value="FR0019S" />
    <attribute name="ebas_station_name" value="Pic du Midi" />
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    <attribute name="ebas_station_longitude" value="0.141944" />
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    <attribute name="ebas_measuremenet_latitude" value="42.9372" />
    <attribute name="ebas_measurement_longitude" value="0.1411" />
    <attribute name="ebas_measurement_altitude" value="2877.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="elemental_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR05L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="low_vol_sampler_KNF_IP20-T" />
    <attribute name="ebas_instrument_manufacturer" value="KNF" />
    <attribute name="ebas_instrument_model" value="IP20-T" />
    <attribute name="ebas_instrument_serial_number" value="NA" />
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    <attribute name="ebas_analytical_instrument_name" value="Thermo-optical_carbon-analyser" />
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    <attribute name="ebas_analytical_instrument_model" value="Model 2001 Thermal/Optical Carbon Analyzer" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
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    <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with unfrozen sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
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    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="elemental_carbon_uncertainty_qc" shape="elemental_carbon_uncertainty_qc_flags time" type="int">
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  </variable>
  <variable name="elemental_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_amean_qc organic_carbon_amean_ebasmetadata" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <attribute name="ebas_station_code" value="FR0019R" />
    <attribute name="ebas_platform_code" value="FR0019S" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_instrument_manufacturer" value="KNF" />
    <attribute name="ebas_instrument_model" value="IP20-T" />
    <attribute name="ebas_instrument_serial_number" value="NA" />
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    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
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    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_comment" value="None" />
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  <variable name="organic_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="organic_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision" />
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    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_instrument_manufacturer" value="KNF" />
    <attribute name="ebas_instrument_model" value="IP20-T" />
    <attribute name="ebas_instrument_serial_number" value="NA" />
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    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="organic_carbon_uncertainty_qc" shape="organic_carbon_uncertainty_qc_flags time" type="int">
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  <variable name="organic_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="organic_carbon_amean_Fraction" shape="Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="organic_carbon_amean_Fraction_qc organic_carbon_amean_Fraction_ebasmetadata" />
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    <attribute name="ebas_version_description" value="initial revision" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <attribute name="ebas_station_code" value="FR0019R" />
    <attribute name="ebas_platform_code" value="FR0019S" />
    <attribute name="ebas_station_name" value="Pic du Midi" />
    <attribute name="ebas_station_latitude" value="42.936667" />
    <attribute name="ebas_station_longitude" value="0.141944" />
    <attribute name="ebas_station_altitude" value="2877.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.9372" />
    <attribute name="ebas_measurement_longitude" value="0.1411" />
    <attribute name="ebas_measurement_altitude" value="2877.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR05L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="low_vol_sampler_KNF_IP20-T" />
    <attribute name="ebas_instrument_manufacturer" value="KNF" />
    <attribute name="ebas_instrument_model" value="IP20-T" />
    <attribute name="ebas_instrument_serial_number" value="NA" />
    <attribute name="ebas_analytical_laboratory_code" value="FR05L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="Thermo-optical_carbon-analyser" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="DRI" />
    <attribute name="ebas_analytical_instrument_model" value="Model 2001 Thermal/Optical Carbon Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="unknown" />
    <attribute name="ebas_method_ref" value="FR05L_KNF_IP20-T_PDM_ambient" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_flow_rate" value="39.26 l/min" />
    <attribute name="ebas_filter_face_velocity" value="52.09 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="12.56 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with unfrozen sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
    <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, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="organic_carbon_amean_Fraction_qc" shape="Fraction organic_carbon_amean_Fraction_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="organic_carbon_amean_Fraction_ebasmetadata" shape="Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_amean_qc total_carbon_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="20200218125123" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <attribute name="ebas_station_code" value="FR0019R" />
    <attribute name="ebas_platform_code" value="FR0019S" />
    <attribute name="ebas_station_name" value="Pic du Midi" />
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    <attribute name="ebas_station_longitude" value="0.141944" />
    <attribute name="ebas_station_altitude" value="2877.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.9372" />
    <attribute name="ebas_measurement_longitude" value="0.1411" />
    <attribute name="ebas_measurement_altitude" value="2877.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR05L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="low_vol_sampler_KNF_IP20-T" />
    <attribute name="ebas_instrument_manufacturer" value="KNF" />
    <attribute name="ebas_instrument_model" value="IP20-T" />
    <attribute name="ebas_instrument_serial_number" value="NA" />
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    <attribute name="ebas_analytical_instrument_name" value="Thermo-optical_carbon-analyser" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="DRI" />
    <attribute name="ebas_analytical_instrument_model" value="Model 2001 Thermal/Optical Carbon Analyzer" />
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    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with unfrozen sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
    <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, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="total_carbon_amean_qc" shape="total_carbon_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="total_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_uncertainty_qc total_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200218125123" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <attribute name="ebas_station_code" value="FR0019R" />
    <attribute name="ebas_platform_code" value="FR0019S" />
    <attribute name="ebas_station_name" value="Pic du Midi" />
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    <attribute name="ebas_station_longitude" value="0.141944" />
    <attribute name="ebas_station_altitude" value="2877.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.9372" />
    <attribute name="ebas_measurement_longitude" value="0.1411" />
    <attribute name="ebas_measurement_altitude" value="2877.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="low_vol_sampler_KNF_IP20-T" />
    <attribute name="ebas_instrument_manufacturer" value="KNF" />
    <attribute name="ebas_instrument_model" value="IP20-T" />
    <attribute name="ebas_instrument_serial_number" value="NA" />
    <attribute name="ebas_analytical_laboratory_code" value="FR05L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="Thermo-optical_carbon-analyser" />
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    <attribute name="ebas_filter_prefiring" value="723.0 K, 48.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with unfrozen sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, 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 European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
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    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="total_carbon_uncertainty_qc" shape="total_carbon_uncertainty_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="total_carbon_uncertainty_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="Fraction" shape="Fraction" type="String" />
</netcdf>
