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  <attribute name="title" value="OC/EC at Norunda Stenen" />
  <attribute name="keywords" value="elemental_carbon, ACTRIS, mass_concentration_of_total_carbon_in_pm10_in_air, EMEP, total_carbon, mass_concentration_of_organic_carbon_in_pm10_in_air, pm10, organic_carbon, Norunda Stenen, mass_concentration_of_elemental_carbon_in_pm10_in_air, GAW-WDCA, SE0022R" />
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  <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. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/MT8X-VADT" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Krejci, R., Hamzavi, Z., ACTRIS, EMEP, GAW-WDCA, 2022, OC/EC at Norunda Stenen, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MT8X-VADT" />
  <attribute name="summary" value="OC/EC at Norunda Stenen. 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 pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="SE03L, ACES Stockholm University, Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-06-26T09:17:20 UTC" />
  <attribute name="date_metadata_modified" value="2022-06-26T09:17:20 UTC" />
  <attribute name="creator_name" value="Radovan Krejci, Zahra Hamzavi" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", zahra.hamzavi@aces.su.se" />
  <attribute name="creator_institution" value=", &quot;Department of Environmental Science and Analytical Chemistry, ACES&quot;" />
  <attribute name="contributor_name" value="Zahra Hamzavi" />
  <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" />
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  <attribute name="time_coverage_start" value="2018-01-12T23:00:00 UTC" />
  <attribute name="time_coverage_end" value="2021-12-31T23:00:00 UTC" />
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  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_latitude" value="60.0858" />
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  <attribute name="ebas_measurement_height" value="5.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ug C/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="SE03L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
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  <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
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  <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
  <attribute name="ebas_flow_rate" value="38.3 l/min" />
  <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
  <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
  <attribute name="ebas_filter_conditioning" value="None" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_artifact_correction" value="Positive and negative" />
  <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
  <attribute name="ebas_charring_correction" value="By laser transmission" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
  <attribute name="ebas_qa1_measure_id" value="ECAC-OCEC-2016-1" />
  <attribute name="ebas_qa1_date" value="2016-03-01 UTC" />
  <attribute name="ebas_qa1_document_name" value="Results of the inter-laboratory comparison exercise for TC and EC measurements (ref.: OCEC-2016-1)" />
  <attribute name="ebas_qa1_document_url" value="http://www.actris-ecac.eu/files/OCEC-2016-1-report.pdf" />
  <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
  <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
  <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. Request acknowledgement details from data originator" />
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  <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;Krejci, R., Hamzavi, Z., ACTRIS, EMEP, GAW-WDCA, 2022, OC/EC at Norunda Stenen, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MT8X-VADT&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;MT8X-VADT.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/MT8X-VADT&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/MT8X-VADT&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-05-05T18:00:11.360826 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2022-06-26T09:17:20.397000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20180112230000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20220626091720&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;4y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;3d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;3d&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;3d&quot;,&#xA;    &quot;Station code&quot;: &quot;SE0022R&quot;,&#xA;    &quot;Platform code&quot;: &quot;SE0022S&quot;,&#xA;    &quot;Station name&quot;: &quot;Norunda Stenen&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station latitude&quot;: &quot;60.0858&quot;,&#xA;    &quot;Station longitude&quot;: &quot;17.50528&quot;,&#xA;    &quot;Station altitude&quot;: &quot;45.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;60.0858&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;17.5052&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;45.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;5.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ug C/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;SE03L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;ACES_Leckel_OCEC&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Leckel&quot;,&#xA;    &quot;Instrument model&quot;: &quot;SEQ47/50&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;05/0070&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;SE03L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;thermal-optical_analysis&quot;,&#xA;    &quot;Analytical instrument name&quot;: &quot;ACES_Sunset_001&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;Sunset Laboratory&quot;,&#xA;    &quot;Analytical instrument model&quot;: &quot;Carbon Aerosol Analyzer&quot;,&#xA;    &quot;Analytical instrument serial number&quot;: &quot;446-215&quot;,&#xA;    &quot;Method ref&quot;: &quot;SE03L_ACES_Sunset_001&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;38.3 l/min&quot;,&#xA;    &quot;Filter face velocity&quot;: &quot;55.5 cm/s&quot;,&#xA;    &quot;Exposed filter area&quot;: &quot;11.5 cm2&quot;,&#xA;    &quot;Filter description&quot;: &quot;Munktell Microfibre disc - Grade T293 diam 47 mm&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Filter prefiring&quot;: &quot;1073.15 K, 12.0 h&quot;,&#xA;    &quot;Filter conditioning&quot;: &quot;None&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;None&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not blank corrected&quot;,&#xA;    &quot;Artifact correction&quot;: &quot;Positive and negative&quot;,&#xA;    &quot;Artifact correction description&quot;: &quot;Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC&quot;,&#xA;    &quot;Charring correction&quot;: &quot;By laser transmission&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&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;Measurement uncertainty expl.&quot;: &quot;Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values reported as measured if within detection limit, flagged with 780&quot;,&#xA;    &quot;QA1 measure ID&quot;: &quot;ECAC-OCEC-2016-1&quot;,&#xA;    &quot;QA1 date&quot;: &quot;2016-03-01 UTC&quot;,&#xA;    &quot;QA1 document name&quot;: &quot;Results of the inter-laboratory comparison exercise for TC and EC measurements (ref.: OCEC-2016-1)&quot;,&#xA;    &quot;QA1 document URL&quot;: &quot;http://www.actris-ecac.eu/files/OCEC-2016-1-report.pdf&quot;,&#xA;    &quot;Organization&quot;: &quot;SE03L, ACES Stockholm University, , , \&quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden\&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;Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden&quot;,&#xA;    &quot;Submitter&quot;: &quot;Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden&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. Request acknowledgement details from data originator&quot;&#xA;}" />
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  <dimension name="organic_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="Artifact" length="2" />
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  <dimension name="Fraction" length="5" />
  <dimension name="organic_carbon_amean_Fraction_qc_flags" length="2" />
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    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug C/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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_pm10_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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_pm10_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.24 ug C/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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_pm10_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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="organic_carbon_amean_Artifact" shape="Artifact time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_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_Artifact_qc organic_carbon_amean_Artifact_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </variable>
  <variable name="organic_carbon_amean_Artifact_qc" shape="Artifact organic_carbon_amean_Artifact_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_Artifact_ebasmetadata" shape="Artifact metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_uncertainty_Artifact" shape="Artifact time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_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_Artifact_qc organic_carbon_uncertainty_Artifact_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </variable>
  <variable name="organic_carbon_uncertainty_Artifact_qc" shape="Artifact organic_carbon_uncertainty_Artifact_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_Artifact_ebasmetadata" shape="Artifact metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean_Fraction" shape="Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_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_Fraction_qc organic_carbon_amean_Fraction_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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_pm10_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.24 ug C/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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_pm10_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="20220626091720" />
    <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="3d" />
    <attribute name="ebas_orig_time_res" value="3d" />
    <attribute name="ebas_station_code" value="SE0022R" />
    <attribute name="ebas_platform_code" value="SE0022S" />
    <attribute name="ebas_station_name" value="Norunda Stenen" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" value="60.0858" />
    <attribute name="ebas_station_longitude" value="17.50528" />
    <attribute name="ebas_station_altitude" value="45.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="60.0858" />
    <attribute name="ebas_measurement_longitude" value="17.5052" />
    <attribute name="ebas_measurement_altitude" value="45.0 m" />
    <attribute name="ebas_measurement_height" value="5.0 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="pm10" />
    <attribute name="ebas_laboratory_code" value="SE03L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ACES_Leckel_OCEC" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="SEQ47/50" />
    <attribute name="ebas_instrument_serial_number" value="05/0070" />
    <attribute name="ebas_analytical_laboratory_code" value="SE03L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="ACES_Sunset_001" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_analytical_instrument_serial_number" value="446-215" />
    <attribute name="ebas_method_ref" value="SE03L_ACES_Sunset_001" />
    <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="38.3 l/min" />
    <attribute name="ebas_filter_face_velocity" value="55.5 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="11.5 cm2" />
    <attribute name="ebas_filter_description" value="Munktell Microfibre disc - Grade T293 diam 47 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1073.15 K, 12.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive and negative" />
    <attribute name="ebas_artifact_correction_description" value="Sampling train with denuder to account for positive sampling artifacts of OC and backup filter to account for negative sampling artefacts of OC" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <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_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty. Expanded uncertainty (k=2)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="SE03L, ACES Stockholm University, , , &quot;Svante Arrhenius Väg 8c, SE-10691 Stockholm, Sweden&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="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <attribute name="ebas_submitter" value="Hamzavi, Zahra, zahra.hamzavi@aces.su.se, Department of Environmental Science and Analytical Chemistry, ACES, , Stockholm University, , SE-10691, Stockholm, Sweden" />
    <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. Request acknowledgement details from data originator" />
  </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="Artifact" shape="Artifact" type="String" />
  <variable name="Fraction" shape="Fraction" type="String" />
</netcdf>
