<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ozone at K-puszta" />
  <attribute name="keywords" value="air, EMEP, mole_fraction_of_ozone_in_air, GAW-WDCRG, mass_concentration_of_ozone_in_air, K-puszta, HU0002R, ozone" />
  <attribute name="id" value="HU0002R.20220101000000.20260319100948.uv_abs.ozone.air.3y.1h.HU01L_OZ11.HU01L_uv_abs.lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, GAW-WDCRG." />
  <attribute name="doi" value="https://doi.org/10.48597/97G5-MWCZ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Puskas, M., Gyarmatine Meszaros, E., EMEP, GAW-WDCRG, 2026, Ozone at K-puszta, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/97G5-MWCZ" />
  <attribute name="summary" value="Ozone at K-puszta. These measurements are gathered as a part of the following projects EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ozone in air (mole_fraction_of_ozone_in_air), ozone in air (mass_concentration_of_ozone_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, 1675, Budapest, Hungary" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-03-19T10:09:48 UTC" />
  <attribute name="date_metadata_modified" value="2026-03-19T10:09:48 UTC" />
  <attribute name="creator_name" value="Monika Puskas, Erzsebet Gyarmatine Meszaros" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="puskas.monika@met.hu, " />
  <attribute name="creator_institution" value="&quot;Hungarian Meteorological Service, Unit Air Quality Reference Centre, OMSZ&quot;, " />
  <attribute name="contributor_name" value="Monika Puskas, Erzsebet Gyarmatine Meszaros" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (46.965333 19.544889 128.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="46.965333" />
  <attribute name="geospatial_lat_max" type="double" value="46.965333" />
  <attribute name="geospatial_lon_min" type="double" value="19.544889" />
  <attribute name="geospatial_lon_max" type="double" value="19.544889" />
  <attribute name="geospatial_vertical_min" type="double" value="128.0" />
  <attribute name="geospatial_vertical_max" type="double" value="128.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2022-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2025-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <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="Puskas, M., Gyarmatine Meszaros, E., EMEP, GAW-WDCRG, 2026, Ozone at K-puszta, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/97G5-MWCZ" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="HU0002R.20220101000000.20260319100948.uv_abs.ozone.air.3y.1h.HU01L_OZ11.HU01L_uv_abs.lev2.nc" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/97G5-MWCZ" />
  <attribute name="ebas_file_creation" value="2026-03-19T14:34:41.507889 UTC" />
  <attribute name="ebas_export_state" value="2026-03-19T14:25:02.714097 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20220101000000" />
  <attribute name="ebas_revision_date" value="20260319100948" />
  <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_period_code" value="3y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="HU0002R" />
  <attribute name="ebas_platform_code" value="HU0002S" />
  <attribute name="ebas_station_name" value="K-puszta" />
  <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
  <attribute name="ebas_station_gaw_id" value="KPS" />
  <attribute name="ebas_station_gaw_name" value="K-Puszta" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="46.965333" />
  <attribute name="ebas_station_longitude" value="19.544889" />
  <attribute name="ebas_station_altitude" value="125.0 m" />
  <attribute name="ebas_measurement_altitude" value="128.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="ozone" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="HU01L" />
  <attribute name="ebas_instrument_type" value="uv_abs" />
  <attribute name="ebas_instrument_name" value="OZ11" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
  <attribute name="ebas_instrument_model" value="49i" />
  <attribute name="ebas_instrument_serial_number" value="0606515617" />
  <attribute name="ebas_method_ref" value="HU01L_uv_abs" />
  <attribute name="ebas_standard_method" value="SOP=GAW_209(2013)" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_tube_material" value="Teflon" />
  <attribute name="ebas_inlet_tube_outer_diameter" value="6.35 mm" />
  <attribute name="ebas_inlet_tube_inner_diameter" value="3.95 mm" />
  <attribute name="ebas_inlet_tube_length" value="4.5 m" />
  <attribute name="ebas_maintenance_description" value="Monthly leak test, inlet filter and ozone scrubber checked and replaced if needed" />
  <attribute name="ebas_flow_rate" value="0.6 l/min" />
  <attribute name="ebas_zero_span_check_type" value="manual" />
  <attribute name="ebas_zero_span_check_interval" value="2w" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_absorption_cross_section" value="CCQM.O3.2019" />
  <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
  <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
  <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., 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="Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Gyarmatine Meszaros, Erzsebet, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Gyarmatine Meszaros, Erzsebet, , , , , , , , , " />
  <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-WDCRG." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.1,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Puskas, M., Gyarmatine Meszaros, E., EMEP, GAW-WDCRG, 2026, Ozone at K-puszta, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/97G5-MWCZ&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;HU0002R.20220101000000.20260319100948.uv_abs.ozone.air.3y.1h.HU01L_OZ11.HU01L_uv_abs.lev2.nc&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/97G5-MWCZ&quot;,&#xA;    &quot;File creation&quot;: &quot;2026-03-19T14:34:41.507889 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2026-03-19T14:25:02.714097 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20220101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20260319100948&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1mn&quot;,&#xA;    &quot;Station code&quot;: &quot;HU0002R&quot;,&#xA;    &quot;Platform code&quot;: &quot;HU0002S&quot;,&#xA;    &quot;Station name&quot;: &quot;K-puszta&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAHU__KPS&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;KPS&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;K-Puszta&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;46.965333&quot;,&#xA;    &quot;Station longitude&quot;: &quot;19.544889&quot;,&#xA;    &quot;Station altitude&quot;: &quot;125.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;128.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;ozone&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;HU01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;uv_abs&quot;,&#xA;    &quot;Instrument name&quot;: &quot;OZ11&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Thermo&quot;,&#xA;    &quot;Instrument model&quot;: &quot;49i&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;0606515617&quot;,&#xA;    &quot;Method ref&quot;: &quot;HU01L_uv_abs&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=GAW_209(2013)&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet tube material&quot;: &quot;Teflon&quot;,&#xA;    &quot;Inlet tube outer diameter&quot;: &quot;6.35 mm&quot;,&#xA;    &quot;Inlet tube inner diameter&quot;: &quot;3.95 mm&quot;,&#xA;    &quot;Inlet tube length&quot;: &quot;4.5 m&quot;,&#xA;    &quot;Maintenance description&quot;: &quot;Monthly leak test, inlet filter and ozone scrubber checked and replaced if needed&quot;,&#xA;    &quot;Flow rate&quot;: &quot;0.6 l/min&quot;,&#xA;    &quot;Zero/span check type&quot;: &quot;manual&quot;,&#xA;    &quot;Zero/span check interval&quot;: &quot;2w&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Absorption cross section&quot;: &quot;CCQM.O3.2019&quot;,&#xA;    &quot;Organization&quot;: &quot;HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;EMEP, GAW-WDCRG&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases&quot;,&#xA;    &quot;Framework description&quot;: &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.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Kjetil Tørseth, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, GAW-WDCRG.&quot;&#xA;}" />
  <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="26304" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="3" />
  <dimension name="ozone_nmol_per_mol_qc_flags" length="1" />
  <dimension name="ozone_ug_per_m3_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2022-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2024-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1095DT23H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-07" />
    <attribute name="nciso_version" value="2.4.7" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="ozone_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ozone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="ozone_nmol_per_mol_qc ozone_nmol_per_mol_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20260319100948" />
    <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="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.965333" />
    <attribute name="ebas_station_longitude" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ozone" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="OZ11" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="0606515617" />
    <attribute name="ebas_method_ref" value="HU01L_uv_abs" />
    <attribute name="ebas_standard_method" value="SOP=GAW_209(2013)" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="6.35 mm" />
    <attribute name="ebas_inlet_tube_inner_diameter" value="3.95 mm" />
    <attribute name="ebas_inlet_tube_length" value="4.5 m" />
    <attribute name="ebas_maintenance_description" value="Monthly leak test, inlet filter and ozone scrubber checked and replaced if needed" />
    <attribute name="ebas_flow_rate" value="0.6 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="2w" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="1.0 nmol/mol" />
    <attribute name="ebas_absorption_cross_section" value="CCQM.O3.2019" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <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., 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="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gyarmatine Meszaros, Erzsebet, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Gyarmatine Meszaros, Erzsebet, , , , , , , , , " />
    <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-WDCRG." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.50. Detection limit converted from '1.0 ug/m3' at 293.15 K, 1013.25 hPa to '1.0 nmol/mol', conversion factor 0.50." />
  </variable>
  <variable name="ozone_nmol_per_mol_qc" shape="ozone_nmol_per_mol_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ozone_nmol_per_mol_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ozone_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ozone_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ozone_ug_per_m3_qc ozone_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20260319100948" />
    <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="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.965333" />
    <attribute name="ebas_station_longitude" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ozone" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="OZ11" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="0606515617" />
    <attribute name="ebas_method_ref" value="HU01L_uv_abs" />
    <attribute name="ebas_standard_method" value="SOP=GAW_209(2013)" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="6.35 mm" />
    <attribute name="ebas_inlet_tube_inner_diameter" value="3.95 mm" />
    <attribute name="ebas_inlet_tube_length" value="4.5 m" />
    <attribute name="ebas_maintenance_description" value="Monthly leak test, inlet filter and ozone scrubber checked and replaced if needed" />
    <attribute name="ebas_flow_rate" value="0.6 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="2w" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="1.0 ug/m3" />
    <attribute name="ebas_absorption_cross_section" value="CCQM.O3.2019" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <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., 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="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Gyarmatine Meszaros, Erzsebet, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Gyarmatine Meszaros, Erzsebet, , , , , , , , , " />
    <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-WDCRG." />
  </variable>
  <variable name="ozone_ug_per_m3_qc" shape="ozone_ug_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ozone_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
