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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="OC/EC at Kosetice (NAOK)" />
  <attribute name="summary" value="OC/EC at Kosetice (NAOK). These measurements are gathered as a part of the following projects 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)', '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)']" />
  <attribute name="keywords" value="&quot;Kosetice (NAOK)&quot; CZ0003R elemental_carbon organic_carbon total_carbon pm25 EMEP GAW-WDCA mass_concentration_of_elemental_carbon_in_pm2p5_in_air mass_concentration_of_organic_carbon_in_pm2p5_in_air mass_concentration_of_total_carbon_in_pm2p5_in_air" />
  <attribute name="id" value="FEKR-72U9.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/FEKR-72U9" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Holubova, A., EMEP, GAW-WDCA, 2024, OC/EC at Kosetice (NAOK), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/FEKR-72U9" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CZ01L &quot;Czech Hydrometeorological Institute&quot; &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2024-08-16T15:28:38.111000Z" />
  <attribute name="date_metadata_modified" value="2024-05-26T09:58:23Z" />
  <attribute name="creator_name" value="Adela Holubova" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Jaroslav Pekarek, Vladimir Lasac, Lucie Skoloudova" />
  <attribute name="contributor_role" value="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="MULTIPOINT Z ((15.08 49.573 534), (15.080278 49.573394 534))" />
  <attribute name="geospatial_lat_min" type="double" value="49.573" />
  <attribute name="geospatial_lat_max" type="double" value="49.573394" />
  <attribute name="geospatial_lon_min" type="double" value="15.08" />
  <attribute name="geospatial_lon_max" type="double" value="15.080278" />
  <attribute name="geospatial_vertical_min" type="double" value="534.0" />
  <attribute name="geospatial_vertical_max" type="double" value="534.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2021-01-02T00:00:00Z" />
  <attribute name="time_coverage_end" value="2023-12-31T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0002-11-29T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-02T00:00:00" />
  <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="Holubova, A., EMEP, GAW-WDCA, 2024, OC/EC at Kosetice (NAOK), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/FEKR-72U9" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="FEKR-72U9.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/FEKR-72U9" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/FEKR-72U9" />
  <attribute name="ebas_file_creation" value="2026-06-11T19:54:40.102569Z" />
  <attribute name="ebas_export_state" value="2024-08-16T15:28:38.111000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2021-01-02T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2024-05-26T09:58:23.000000Z" />
  <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="2d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="CZ0003R" />
  <attribute name="ebas_platform_code" value="CZ0003S" />
  <attribute name="ebas_station_name" value="Kosetice (NAOK)" />
  <attribute name="ebas_station_wdca_id" value="GAWACZ__KOS" />
  <attribute name="ebas_station_gaw_id" value="KOS" />
  <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="49.573394" />
  <attribute name="ebas_station_longitude" type="double" value="15.080278" />
  <attribute name="ebas_station_altitude" value="535.0 m" />
  <attribute name="ebas_measurement_latitude" type="double" value="49.573" />
  <attribute name="ebas_measurement_longitude" type="double" value="15.08" />
  <attribute name="ebas_measurement_altitude" value="534.0 m" />
  <attribute name="ebas_measurement_height" value="2.2 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="CZ01L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="LVS_RPP-3" />
  <attribute name="ebas_instrument_manufacturer" value="Leckel" />
  <attribute name="ebas_instrument_model" value="LVS3" />
  <attribute name="ebas_instrument_serial_number" value="04/0064" />
  <attribute name="ebas_analytical_laboratory_code" value="CZ01L" />
  <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
  <attribute name="ebas_analytical_instrument_name" value="Sunset_Laboratory_OCEC_CAA" />
  <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="160-229" />
  <attribute name="ebas_method_ref" value="CZ01L_Sunset_Laboratory_OCEC_CAA" />
  <attribute name="ebas_standard_method" value="SOP=EN16909:2017, TEMP=EUSAAR_2" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_flow_rate" value="16.7 l/min" />
  <attribute name="ebas_filter_face_velocity" value="22.0 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="12.6 cm2" />
  <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="673.0 K, 6.0 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_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="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative impossible" />
  <attribute name="ebas_organization" value="CZ01L, Czech Hydrometeorological Institute, , , &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="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., &quot;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;" />
  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Pekarek, Jaroslav, , , , , , , , , &quot;, &quot;Lasac, Vladimir, vladimir.lasac@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;, &quot;Skoloudova, Lucie, lucie.skoloudova@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
  <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
  <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="547" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="3" />
  <dimension name="qc_elemental_carbon_amean_flags" length="1" />
  <dimension name="qc_elemental_carbon_uncertainty_flags" length="1" />
  <dimension name="qc_organic_carbon_amean_flags" length="1" />
  <dimension name="qc_organic_carbon_uncertainty_flags" length="1" />
  <dimension name="d_Artifact" length="2" />
  <dimension name="qc_organic_carbon_amean_d_Artifact_flags" length="1" />
  <dimension name="qc_organic_carbon_uncertainty_d_Artifact_flags" length="1" />
  <dimension name="d_Fraction" length="5" />
  <dimension name="qc_organic_carbon_amean_d_Fraction_flags" length="1" />
  <dimension name="qc_total_carbon_amean_flags" length="1" />
  <dimension name="qc_total_carbon_uncertainty_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2021-01-02T12:00:00Z" />
    <attribute name="time_coverage_end" value="2023-12-30T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="172800.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1092DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-07-07" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <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="qc_elemental_carbon_amean meta_elemental_carbon_amean" />
    <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="2024-05-26T09:58:23.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="CZ0003R" />
    <attribute name="ebas_platform_code" value="CZ0003S" />
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    <attribute name="ebas_station_gaw_id" value="KOS" />
    <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="49.573394" />
    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
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    <attribute name="ebas_measurement_latitude" type="double" value="49.573" />
    <attribute name="ebas_measurement_longitude" type="double" value="15.08" />
    <attribute name="ebas_measurement_altitude" value="534.0 m" />
    <attribute name="ebas_measurement_height" value="2.2 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="CZ01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="LVS_RPP-3" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
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    <attribute name="ebas_analytical_instrument_name" value="Sunset_Laboratory_OCEC_CAA" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
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    <attribute name="ebas_analytical_instrument_serial_number" value="160-229" />
    <attribute name="ebas_method_ref" value="CZ01L_Sunset_Laboratory_OCEC_CAA" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="22.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="12.6 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="673.0 K, 6.0 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_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" value="0.1 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" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="CZ01L, Czech Hydrometeorological Institute, , , &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
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    <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Pekarek, Jaroslav, , , , , , , , , &quot;, &quot;Lasac, Vladimir, vladimir.lasac@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;, &quot;Skoloudova, Lucie, lucie.skoloudova@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleelementalcarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle elemental carbon mass concentration" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as carbon, elemental" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume sampler" />
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  <variable name="qc_elemental_carbon_amean" shape="qc_elemental_carbon_amean_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_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="qc_elemental_carbon_uncertainty meta_elemental_carbon_uncertainty" />
    <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="2024-05-26T09:58:23.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="CZ0003R" />
    <attribute name="ebas_platform_code" value="CZ0003S" />
    <attribute name="ebas_station_name" value="Kosetice (NAOK)" />
    <attribute name="ebas_station_wdca_id" value="GAWACZ__KOS" />
    <attribute name="ebas_station_gaw_id" value="KOS" />
    <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="49.573394" />
    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
    <attribute name="ebas_station_altitude" value="535.0 m" />
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    <attribute name="ebas_measurement_longitude" type="double" value="15.08" />
    <attribute name="ebas_measurement_altitude" value="534.0 m" />
    <attribute name="ebas_measurement_height" value="2.2 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="CZ01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="LVS_RPP-3" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_instrument_serial_number" value="04/0064" />
    <attribute name="ebas_analytical_laboratory_code" value="CZ01L" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative impossible" />
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    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleelementalcarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle elemental carbon mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon, https://vocabulary.actris.nilu.no/actris_vocab/elemental" />
    <attribute name="actris_constraints_preferred_term" value="expressed as carbon, elemental" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_elemental_carbon_uncertainty" shape="qc_elemental_carbon_uncertainty_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_elemental_carbon_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_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="qc_organic_carbon_amean meta_organic_carbon_amean" />
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    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="CZ0003R" />
    <attribute name="ebas_platform_code" value="CZ0003S" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version" value="1" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon" />
    <attribute name="actris_constraints_preferred_term" value="expressed as carbon" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P2D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_organic_carbon_uncertainty" shape="qc_organic_carbon_uncertainty_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="meta_organic_carbon_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_carbon_amean_d_Artifact" shape="d_Artifact 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="qc_organic_carbon_amean_d_Artifact meta_organic_carbon_amean_d_Artifact" />
    <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="2024-05-26T09:58:23.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="CZ0003R" />
    <attribute name="ebas_platform_code" value="CZ0003S" />
    <attribute name="ebas_station_name" value="Kosetice (NAOK)" />
    <attribute name="ebas_station_wdca_id" value="GAWACZ__KOS" />
    <attribute name="ebas_station_gaw_id" value="KOS" />
    <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="49.573394" />
    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
    <attribute name="ebas_station_altitude" value="535.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="49.573" />
    <attribute name="ebas_measurement_longitude" type="double" value="15.08" />
    <attribute name="ebas_measurement_altitude" value="534.0 m" />
    <attribute name="ebas_measurement_height" value="2.2 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="CZ01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="LVS_RPP-3" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_instrument_serial_number" value="04/0064" />
    <attribute name="ebas_analytical_laboratory_code" value="CZ01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="Sunset_Laboratory_OCEC_CAA" />
    <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="160-229" />
    <attribute name="ebas_method_ref" value="CZ01L_Sunset_Laboratory_OCEC_CAA" />
    <attribute name="ebas_standard_method" value="SOP=EN16909:2017, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="22.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="12.6 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="673.0 K, 6.0 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_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="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
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    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganiccarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organic carbon mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as carbon" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P2D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_organic_carbon_amean_d_Artifact" shape="d_Artifact qc_organic_carbon_amean_d_Artifact_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_organic_carbon_amean_d_Artifact" shape="d_Artifact metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version" value="1" />
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    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle organic carbon mass concentration" />
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  <variable name="qc_organic_carbon_uncertainty_d_Artifact" shape="d_Artifact qc_organic_carbon_uncertainty_d_Artifact_flags time" type="int">
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  <variable name="v_organic_carbon_amean_d_Fraction" shape="d_Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
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    <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
    <attribute name="ebas_station_altitude" value="535.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="49.573" />
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    <attribute name="ebas_measurement_altitude" value="534.0 m" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
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    <attribute name="ebas_analytical_laboratory_code" value="CZ01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="Sunset_Laboratory_OCEC_CAA" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
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    <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_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="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="CZ01L, Czech Hydrometeorological Institute, , , &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Pekarek, Jaroslav, , , , , , , , , &quot;, &quot;Lasac, Vladimir, vladimir.lasac@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;, &quot;Skoloudova, Lucie, lucie.skoloudova@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganiccarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organic carbon mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon" />
    <attribute name="actris_constraints_preferred_term" value="expressed as carbon" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P2D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_organic_carbon_amean_d_Fraction" shape="d_Fraction qc_organic_carbon_amean_d_Fraction_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="meta_organic_carbon_amean_d_Fraction" shape="d_Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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="qc_total_carbon_amean meta_total_carbon_amean" />
    <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="2024-05-26T09:58:23.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="CZ0003R" />
    <attribute name="ebas_platform_code" value="CZ0003S" />
    <attribute name="ebas_station_name" value="Kosetice (NAOK)" />
    <attribute name="ebas_station_wdca_id" value="GAWACZ__KOS" />
    <attribute name="ebas_station_gaw_id" value="KOS" />
    <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="49.573394" />
    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
    <attribute name="ebas_station_altitude" value="535.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="49.573" />
    <attribute name="ebas_measurement_longitude" type="double" value="15.08" />
    <attribute name="ebas_measurement_altitude" value="534.0 m" />
    <attribute name="ebas_measurement_height" value="2.2 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="CZ01L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="LVS_RPP-3" />
    <attribute name="ebas_instrument_manufacturer" value="Leckel" />
    <attribute name="ebas_instrument_model" value="LVS3" />
    <attribute name="ebas_instrument_serial_number" value="04/0064" />
    <attribute name="ebas_analytical_laboratory_code" value="CZ01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_name" value="Sunset_Laboratory_OCEC_CAA" />
    <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="160-229" />
    <attribute name="ebas_method_ref" value="CZ01L_Sunset_Laboratory_OCEC_CAA" />
    <attribute name="ebas_standard_method" value="SOP=EN16909:2017, TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
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    <attribute name="ebas_exposed_filter_area" value="12.6 cm2" />
    <attribute name="ebas_filter_description" value="Whatman QM-A 47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="673.0 K, 6.0 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_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" value="0.1 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" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="CZ01L, Czech Hydrometeorological Institute, , , &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;" />
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    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticletotalcarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle total carbon mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedascarbon" />
    <attribute name="actris_constraints_preferred_term" value="expressed as carbon" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P2D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_total_carbon_amean" shape="qc_total_carbon_amean_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="meta_total_carbon_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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="qc_total_carbon_uncertainty meta_total_carbon_uncertainty" />
    <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="2024-05-26T09:58:23.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="CZ0003R" />
    <attribute name="ebas_platform_code" value="CZ0003S" />
    <attribute name="ebas_station_name" value="Kosetice (NAOK)" />
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    <attribute name="ebas_station_gaw_id" value="KOS" />
    <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="49.573394" />
    <attribute name="ebas_station_longitude" type="double" value="15.080278" />
    <attribute name="ebas_station_altitude" value="535.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="49.573" />
    <attribute name="ebas_measurement_longitude" type="double" value="15.08" />
    <attribute name="ebas_measurement_altitude" value="534.0 m" />
    <attribute name="ebas_measurement_height" value="2.2 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" />
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    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
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    <attribute name="ebas_instrument_serial_number" value="04/0064" />
    <attribute name="ebas_analytical_laboratory_code" value="CZ01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
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    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
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    <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: EMEP, GAW-WDCA. Request acknowledgement details from data submitter" />
    <attribute name="ebas_comment" value="The sampling apparatus with PM 2.5, denuder, front filter and back filter." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticletotalcarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle total carbon mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as carbon" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_total_carbon_uncertainty" shape="qc_total_carbon_uncertainty_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" />
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  <variable name="meta_total_carbon_uncertainty" 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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="d_Artifact" shape="d_Artifact" type="String" />
  <variable name="d_Fraction" shape="d_Fraction" type="String" />
</netcdf>
