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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 Birkenes II" />
  <attribute name="keywords" value="pm25, mass_concentration_of_elemental_carbon_in_pm2p5_in_air, ACTRIS, elemental_carbon, Birkenes II, total_carbon, mass_concentration_of_organic_carbon_in_pm2p5_in_air, mass_concentration_of_total_carbon_in_pm2p5_in_air, GAW-WDCA, NO0002R, organic_carbon, EMEP" />
  <attribute name="id" value="MTS8-26G4.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.|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. Request acknowledgement details from data originator|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. Contact data originator (key@nilu.no) for use of these data" separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/MTS8-26G4" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Yttri, K., Yttri, K., Yttri, K., 2022, OC/EC at Birkenes II, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MTS8-26G4" />
  <attribute name="summary" value="OC/EC at Birkenes II. 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 pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-05-06T11:11:04 UTC" />
  <attribute name="date_metadata_modified" value="2022-05-06T11:11:04 UTC" />
  <attribute name="creator_name" value="Karl Espen Yttri, Karl Espen Yttri, Karl Espen Yttri" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="key@nilu.no, key@nilu.no, key@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;, &quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;, &quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;" />
  <attribute name="contributor_name" value="Karl Espen Yttri, Karl Espen Yttri, Karl Espen Yttri, Anne Hjellbrekke" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, 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 (58.2318 8.1507 219.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="58.2318" />
  <attribute name="geospatial_lat_max" type="double" value="58.2318" />
  <attribute name="geospatial_lon_min" type="double" value="8.1507" />
  <attribute name="geospatial_lon_max" type="double" value="8.1507" />
  <attribute name="geospatial_vertical_min" type="double" value="219.0" />
  <attribute name="geospatial_vertical_max" type="double" value="219.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2019-01-02T07:00:00 UTC" />
  <attribute name="time_coverage_end" value="2022-01-05T07:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-00-03T00:00:00" />
  <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="Yttri, K., Yttri, K., Yttri, K., 2022, OC/EC at Birkenes II, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MTS8-26G4" />
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  <attribute name="ebas_file_creation" value="2024-02-16T04:24:45.439035 UTC" />
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  <attribute name="ebas_revision_date" value="20220506111104" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision. manually inspected" />
  <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" />
  <attribute name="ebas_orig_time_res" value="1w" />
  <attribute name="ebas_station_code" value="NO0002R" />
  <attribute name="ebas_platform_code" value="NO0002S" />
  <attribute name="ebas_station_name" value="Birkenes II" />
  <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
  <attribute name="ebas_station_gaw_id" value="BIR" />
  <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
  <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="58.38853" />
  <attribute name="ebas_station_longitude" value="8.252" />
  <attribute name="ebas_station_altitude" value="219.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="58.2318" />
  <attribute name="ebas_measurement_longitude" value="8.1507" />
  <attribute name="ebas_measurement_altitude" value="219.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ug C/m3" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
  <attribute name="ebas_instrument_manufacturer" value="Leckel" />
  <attribute name="ebas_instrument_model" value="LVS3" />
  <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
  <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
  <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
  <attribute name="ebas_flow_rate" value="38.0 l/min" />
  <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
  <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
  <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
  <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="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <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." />
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  <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;Yttri, K., Yttri, K., Yttri, K., 2022, OC/EC at Birkenes II, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MTS8-26G4&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;MTS8-26G4.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/MTS8-26G4&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/MTS8-26G4&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-16T04:24:45.439035 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2022-05-06T11:11:04.850000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20190102070000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20220506111104&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision. manually inspected&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;NO0002R&quot;,&#xA;    &quot;Platform code&quot;: &quot;NO0002S&quot;,&#xA;    &quot;Station name&quot;: &quot;Birkenes II&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWANO__BIR&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;BIR&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Birkenes Atmospheric Observatory&quot;,&#xA;    &quot;Station other IDs&quot;: &quot;BIR (ICOS), Birkenes (AERONET)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;58.38853&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.252&quot;,&#xA;    &quot;Station altitude&quot;: &quot;219.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;58.2318&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;8.1507&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;219.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ug C/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm25&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;kfg_no02_pm25&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Leckel&quot;,&#xA;    &quot;Instrument model&quot;: &quot;LVS3&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;thermal-optical_analysis&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;Sunset Laboratory&quot;,&#xA;    &quot;Method ref&quot;: &quot;NO01L_NILU_sunset_002&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v2014, TEMP=EUSAAR_2&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Upward facing with rain shield&quot;,&#xA;    &quot;Flow rate&quot;: &quot;38.0 l/min&quot;,&#xA;    &quot;Filter face velocity&quot;: &quot;47.0 cm/s&quot;,&#xA;    &quot;Exposed filter area&quot;: &quot;13.4 cm2&quot;,&#xA;    &quot;Filter description&quot;: &quot;Whatman QM-A47mm&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Filter prefiring&quot;: &quot;1123.15 K, 3.0 h&quot;,&#xA;    &quot;Filter conditioning&quot;: &quot;293.15 K, 50.0 %RH, 48.0 h&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;None&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not 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 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;Equals the analytical detection limit provided by the manufacturer&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;Measurement uncertainty includes quantifiable uncertainty&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Organization&quot;: &quot;NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway&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;Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Submitter&quot;: &quot;Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&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.&quot;&#xA;}" />
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  <dimension name="time" length="157" />
  <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="total_carbon_amean_qc_flags" length="1" />
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    <attribute name="ebas_measurement_height" value="4.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="38.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <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_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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." />
  </variable>
  <variable name="elemental_carbon_amean_qc" shape="elemental_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="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_in_pm2p5_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/" />
    <attribute name="ebas_revision_date" value="20220506111104" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <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="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="58.2318" />
    <attribute name="ebas_measurement_longitude" value="8.1507" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="38.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <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_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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." />
  </variable>
  <variable name="elemental_carbon_uncertainty_qc" shape="elemental_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="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_pm2p5_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" />
    <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="20220506111104" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <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="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="58.2318" />
    <attribute name="ebas_measurement_longitude" value="8.1507" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="38.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <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_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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." />
  </variable>
  <variable name="organic_carbon_amean_qc" shape="organic_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="organic_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_uncertainty_qc organic_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="20220506111104" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <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="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="58.2318" />
    <attribute name="ebas_measurement_longitude" value="8.1507" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="38.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <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_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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." />
  </variable>
  <variable name="organic_carbon_uncertainty_qc" shape="organic_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="organic_carbon_uncertainty_ebasmetadata" shape="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_pm2p5_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="20220506111104" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <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="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="58.2318" />
    <attribute name="ebas_measurement_longitude" value="8.1507" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="38.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <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_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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." />
  </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_pm2p5_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="20220506111104" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <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="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="58.2318" />
    <attribute name="ebas_measurement_longitude" value="8.1507" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="kfg_no02_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="NO01L_NILU_sunset_002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="38.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="47.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="13.4 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 48.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not 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 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="Equals the analytical detection limit provided by the manufacturer" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <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_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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." />
  </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>
</netcdf>
