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  <attribute name="title" value="Nitrogen oxides at Kosetice (NAOK)" />
  <attribute name="summary" value="Nitrogen oxides at Kosetice (NAOK). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['NOx in air (mole_fraction_of_nox_in_air)', 'NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air)', 'nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air)', 'nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air)', 'nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air)', 'nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air)']" />
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  <attribute name="doi" value="https://doi.org/10.48597/W8GX-SW32" />
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  <attribute name="citation" value="Holubova, A., Silhavy, J., ACTRIS, EMEP, GAW-WDCRG, 2025, Nitrogen oxides at Kosetice (NAOK), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/W8GX-SW32" />
  <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="2026-03-10T09:16:26.538043Z" />
  <attribute name="date_metadata_modified" value="2025-10-08T08:29:32Z" />
  <attribute name="creator_name" value="Adela Holubova, Jan Silhavy" />
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  <attribute name="contributor_name" value="Lucie Skoloudova" />
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  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
  <attribute name="ebas_instrument_model" value="T200UP" />
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  <attribute name="ebas_water_vapor_correction" value="Not corrected for water vapor quenching in CLD" />
  <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
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  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_qa1_measure_id" value="ACTRIS NO round robin 2012" />
  <attribute name="ebas_qa1_date" value="2012-02-06T00:00:00Z" />
  <attribute name="ebas_qa1_document_name" value="WP4- NA4: Trace gases networking: Volatile organic carbon and nitrogen oxides Deliverable D4.4: Results of Round Robin exercise of NO" />
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  <attribute name="ebas_qa2_measure_id" value="ACTRIS NOx s-b-s 2012" />
  <attribute name="ebas_qa2_date" value="2012-11-16T00:00:00Z" />
  <attribute name="ebas_qa2_document_name" value="WP4- NA4: Trace gases networking: Volatile organic carbon and nitrogen oxides Deliverable D4.6: Results of NOx side-by-side inter-comparison exercise of ambient air and test gases" />
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  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;, &quot;Silhavy, Jan, silhavy@chmi.cz, Czech Hydrometeorological Instute, CHMI, Laboratory Libus, Na Sabatce 17, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
  <attribute name="ebas_submitter" value="&quot;Skoloudova, Lucie, lucie.skoloudova@chmi.cz, Czech Hydrometeorological Instute, CHMI, AQIS, Prague, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
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    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.6249228. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.600." />
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    <attribute name="ebas_instrument_name" value="TAPI_T200UP" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_instrument_model" value="T200UP" />
    <attribute name="ebas_instrument_serial_number" value="114" />
    <attribute name="ebas_method_ref" value="CZ01L_T22AA-002_21" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_NOxy_2014" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_water_vapor_correction" value="Not corrected for water vapor quenching in CLD" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="NO = 0.1 ug/m3, NO2 = 0.2 ug/m3, NOx = 0.2 ug/m3" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="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="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;, &quot;Silhavy, Jan, silhavy@chmi.cz, Czech Hydrometeorological Instute, CHMI, Laboratory Libus, Na Sabatce 17, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
    <attribute name="ebas_submitter" value="&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: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.6249228." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogenoxidesmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitrogen oxides mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
    <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/chemiluminescencedetector-photolyticalconverter" />
    <attribute name="actris_instrument_type_preferred_term" value="chemiluminescence detector, photolytical converter" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_NOx_ug_N_per_m3" shape="qc_NOx_ug_N_per_m3_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_NOx_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_dioxide_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_dioxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_nitrogen_dioxide_nmol_per_mol meta_nitrogen_dioxide_nmol_per_mol" />
    <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="2025-10-08T08:29:32.655957Z" />
    <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="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <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_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CZ01L" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_photolytic" />
    <attribute name="ebas_instrument_name" value="TAPI_T200UP" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_instrument_model" value="T200UP" />
    <attribute name="ebas_instrument_serial_number" value="114" />
    <attribute name="ebas_method_ref" value="CZ01L_T22AA-002_21" />
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    <attribute name="ebas_calibration_scale" value="NPL+GPT" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_water_vapor_correction" value="Not corrected for water vapor quenching in CLD" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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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: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.6249228. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.600." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxideamountfraction" />
    <attribute name="actris_variable_preferred_term" value="nitrogen dioxide amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrogen_dioxide_nmol_per_mol" shape="qc_nitrogen_dioxide_nmol_per_mol_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" />
  </variable>
  <variable name="meta_nitrogen_dioxide_nmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_dioxide_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrogen_dioxide_ug_N_per_m3 meta_nitrogen_dioxide_ug_N_per_m3" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
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    <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" />
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    <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_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CZ01L" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_photolytic" />
    <attribute name="ebas_instrument_name" value="TAPI_T200UP" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_instrument_model" value="T200UP" />
    <attribute name="ebas_instrument_serial_number" value="114" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitrogendioxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitrogen dioxide mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="chemiluminescence detector, photolytical converter" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_nitrogen_dioxide_ug_N_per_m3" shape="qc_nitrogen_dioxide_ug_N_per_m3_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_nitrogen_dioxide_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_monoxide_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_monoxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_nitrogen_monoxide_nmol_per_mol meta_nitrogen_monoxide_nmol_per_mol" />
    <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="2025-10-08T08:29:32.655957Z" />
    <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="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <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" />
    <attribute name="ebas_station_altitude" value="535.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CZ01L" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_photolytic" />
    <attribute name="ebas_instrument_name" value="TAPI_T200UP" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_instrument_model" value="T200UP" />
    <attribute name="ebas_instrument_serial_number" value="114" />
    <attribute name="ebas_method_ref" value="CZ01L_T22AA-002_21" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_NOxy_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_water_vapor_correction" value="Not corrected for water vapor quenching in CLD" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
    <attribute name="ebas_detection_limit_expl" value="NO = 0.1 ug/m3, NO2 = 0.2 ug/m3, NOx = 0.2 ug/m3" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CZ01L, Czech Hydrometeorological Institute, , , &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, 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 Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;, &quot;Silhavy, Jan, silhavy@chmi.cz, Czech Hydrometeorological Instute, CHMI, Laboratory Libus, Na Sabatce 17, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
    <attribute name="ebas_submitter" value="&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: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.6249228. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.600." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitricoxideamountfraction" />
    <attribute name="actris_variable_preferred_term" value="nitric oxide amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <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/chemiluminescencedetector-photolyticalconverter" />
    <attribute name="actris_instrument_type_preferred_term" value="chemiluminescence detector, photolytical converter" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrogen_monoxide_nmol_per_mol" shape="qc_nitrogen_monoxide_nmol_per_mol_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_nitrogen_monoxide_nmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrogen_monoxide_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrogen_monoxide_ug_N_per_m3 meta_nitrogen_monoxide_ug_N_per_m3" />
    <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="2025-10-08T08:29:32.655957Z" />
    <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="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <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_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CZ01L" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_photolytic" />
    <attribute name="ebas_instrument_name" value="TAPI_T200UP" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_instrument_model" value="T200UP" />
    <attribute name="ebas_instrument_serial_number" value="114" />
    <attribute name="ebas_method_ref" value="CZ01L_T22AA-002_21" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_NOxy_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_ozone_correction" value="Not corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_water_vapor_correction" value="Not corrected for water vapor quenching in CLD" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="NO = 0.1 ug/m3, NO2 = 0.2 ug/m3, NOx = 0.2 ug/m3" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CZ01L, Czech Hydrometeorological Institute, , , &quot;Na Sabatce 17, CZ-14306 PRAHA 4, Czech Republic&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, 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 Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Holubova, Adela, , , , , , , , , &quot;, &quot;Silhavy, Jan, silhavy@chmi.cz, Czech Hydrometeorological Instute, CHMI, Laboratory Libus, Na Sabatce 17, Na Sabatce 17, CZ-14306, Prague, Czech Republic&quot;" />
    <attribute name="ebas_submitter" value="&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: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.6249228." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitricoxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitric oxide mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
    <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/chemiluminescencedetector-photolyticalconverter" />
    <attribute name="actris_instrument_type_preferred_term" value="chemiluminescence detector, photolytical converter" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrogen_monoxide_ug_N_per_m3" shape="qc_nitrogen_monoxide_ug_N_per_m3_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_nitrogen_monoxide_ug_N_per_m3" 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>
</netcdf>
