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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ozone at Hyytiälä" />
  <attribute name="summary" value="Ozone at Hyytiälä. These measurements are gathered as a part of the following projects CAMPAIGN, 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="keywords" value="Hyytiälä FI0050R ozone air CAMPAIGN GAW-WDCRG mole_fraction_of_ozone_in_air mass_concentration_of_ozone_in_air" />
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  <attribute name="project" value="CAMPAIGN, GAW-WDCRG" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/BXBQ-XCJR" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Petäjä, T., CAMPAIGN, GAW-WDCRG, 2024, Ozone at Hyytiälä, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BXBQ-XCJR" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FI03L &quot;University of Helsinki&quot; UHEL &quot;Institute for Atmospheric and Earth System Research (INAR)&quot; &quot;PO BOX 64&quot; FI-00014 &quot;University of Helsinki&quot; Finland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2024-07-03T08:33:09.841095Z" />
  <attribute name="date_metadata_modified" value="2024-03-04T11:51:54Z" />
  <attribute name="creator_name" value="Tuukka Petäjä" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="tuukka.petaja@helsinki.fi" />
  <attribute name="creator_institution" value="&quot;University of Helsinki, Division of Atmospheric Sciences, Department of Physics, UHEL&quot;" />
  <attribute name="contributor_name" value="Petri Keronen" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (24.283333 61.85 181)" />
  <attribute name="geospatial_lat_min" type="double" value="61.85" />
  <attribute name="geospatial_lat_max" type="double" value="61.85" />
  <attribute name="geospatial_lon_min" type="double" value="24.283333" />
  <attribute name="geospatial_lon_max" type="double" value="24.283333" />
  <attribute name="geospatial_vertical_min" type="double" value="181.0" />
  <attribute name="geospatial_vertical_max" type="double" value="181.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2022-07-12T00:00:00Z" />
  <attribute name="time_coverage_end" value="2022-07-20T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0000-00-08T00:00:00" />
  <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="Petäjä, T., CAMPAIGN, GAW-WDCRG, 2024, Ozone at Hyytiälä, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BXBQ-XCJR" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_file_creation" value="2026-06-12T07:08:19.146226Z" />
  <attribute name="ebas_export_state" value="2024-07-03T08:33:09.841095Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2022-07-12T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
  <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="8d" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="6mn" />
  <attribute name="ebas_station_code" value="FI0050R" />
  <attribute name="ebas_platform_code" value="FI0050S" />
  <attribute name="ebas_station_name" value="Hyytiälä" />
  <attribute name="ebas_station_gaw_id" value="HYY" />
  <attribute name="ebas_station_state_province" value="Pirka" />
  <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" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="61.85" />
  <attribute name="ebas_station_longitude" type="double" value="24.283333" />
  <attribute name="ebas_station_altitude" value="181.0 m" />
  <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
  <attribute name="ebas_instrument_type" value="uv_abs" />
  <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
  <attribute name="ebas_instrument_model" value="49i" />
  <attribute name="ebas_instrument_serial_number" value="None" />
  <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
  <attribute name="ebas_inlet_tube_material" value="Teflon" />
  <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
  <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
  <attribute name="ebas_inlet_tube_length" value="157.0 m" />
  <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
  <attribute name="ebas_flow_rate" value="45.0 l/min" />
  <attribute name="ebas_zero_span_check_type" value="manual" />
  <attribute name="ebas_zero_span_check_interval" value="4mo" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
  <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
  <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
  <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
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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" />
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  <dimension name="time" length="192" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_ozone_nmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_ozone_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_ozone_nmol_per_mol_max_flags" length="1" />
  <dimension name="qc_ozone_ug_per_m3_max_flags" length="1" />
  <dimension name="qc_ozone_nmol_per_mol_min_flags" length="1" />
  <dimension name="qc_ozone_ug_per_m3_min_flags" length="1" />
  <dimension name="qc_ozone_nmol_per_mol_stddev_flags" length="1" />
  <dimension name="qc_ozone_ug_per_m3_stddev_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2022-07-12T00:30:00Z" />
    <attribute name="time_coverage_end" value="2022-07-19T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M7DT23H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-07-07" />
    <attribute name="nciso_version" value="2.4.8" />
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  <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="v_ozone_nmol_per_mol_amean" 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="qc_ozone_nmol_per_mol_amean meta_ozone_nmol_per_mol_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="2024-03-04T11:51:54.199837Z" />
    <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="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
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    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
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    <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
    <attribute name="ebas_inlet_tube_length" value="157.0 m" />
    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <attribute name="ebas_detection_limit" value="0.2 nmol/mol" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534. -- Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.5012. Detection limit converted from '0.399 ug/m3' at 293.15 K, 1013.25 hPa to '0.2 nmol/mol', conversion factor 0.5012." />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_ozone_ug_per_m3_amean" 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="qc_ozone_ug_per_m3_amean meta_ozone_ug_per_m3_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="2024-03-04T11:51:54.199837Z" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
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    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
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    <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
    <attribute name="ebas_inlet_tube_length" value="157.0 m" />
    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <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="0.399 ug/m3" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozonemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ozone 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_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/ultra-violetabsorptiondetector" />
    <attribute name="actris_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_ug_per_m3_amean" shape="qc_ozone_ug_per_m3_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_ozone_ug_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ozone_nmol_per_mol_max" 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="qc_ozone_nmol_per_mol_max meta_ozone_nmol_per_mol_max" />
    <attribute name="cell_methods" value="time: maximum" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="maximum" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
    <attribute name="ebas_station_gaw_id" value="HYY" />
    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
    <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
    <attribute name="ebas_inlet_tube_length" value="157.0 m" />
    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <attribute name="ebas_detection_limit" value="0.2 nmol/mol" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534. -- Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.5012. Detection limit converted from '0.399 ug/m3' at 293.15 K, 1013.25 hPa to '0.2 nmol/mol', conversion factor 0.5012." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozoneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ozone 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/ultra-violetabsorptiondetector" />
    <attribute name="actris_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_nmol_per_mol_max" shape="qc_ozone_nmol_per_mol_max_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_ozone_nmol_per_mol_max" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ozone_ug_per_m3_max" 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="qc_ozone_ug_per_m3_max meta_ozone_ug_per_m3_max" />
    <attribute name="cell_methods" value="time: maximum" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="maximum" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
    <attribute name="ebas_station_gaw_id" value="HYY" />
    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
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    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <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="0.399 ug/m3" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozonemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ozone mass concentration" />
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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_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_ug_per_m3_max" shape="qc_ozone_ug_per_m3_max_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_ozone_ug_per_m3_max" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ozone_nmol_per_mol_min" 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="qc_ozone_nmol_per_mol_min meta_ozone_nmol_per_mol_min" />
    <attribute name="cell_methods" value="time: minimum" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="minimum" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
    <attribute name="ebas_station_gaw_id" value="HYY" />
    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
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    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <attribute name="ebas_detection_limit" value="0.2 nmol/mol" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534. -- Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.5012. Detection limit converted from '0.399 ug/m3' at 293.15 K, 1013.25 hPa to '0.2 nmol/mol', conversion factor 0.5012." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozoneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ozone 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" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ultra-violetabsorptiondetector" />
    <attribute name="actris_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_nmol_per_mol_min" shape="qc_ozone_nmol_per_mol_min_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_ozone_nmol_per_mol_min" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ozone_ug_per_m3_min" 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="qc_ozone_ug_per_m3_min meta_ozone_ug_per_m3_min" />
    <attribute name="cell_methods" value="time: minimum" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="minimum" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
    <attribute name="ebas_station_gaw_id" value="HYY" />
    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
    <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
    <attribute name="ebas_inlet_tube_length" value="157.0 m" />
    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <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="0.399 ug/m3" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozonemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ozone 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_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/ultra-violetabsorptiondetector" />
    <attribute name="actris_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_ug_per_m3_min" shape="qc_ozone_ug_per_m3_min_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_ozone_ug_per_m3_min" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ozone_nmol_per_mol_stddev" 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="qc_ozone_nmol_per_mol_stddev meta_ozone_nmol_per_mol_stddev" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
    <attribute name="ebas_station_gaw_id" value="HYY" />
    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
    <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
    <attribute name="ebas_inlet_tube_length" value="157.0 m" />
    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <attribute name="ebas_detection_limit" value="0.2 nmol/mol" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534. -- Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.5012. Detection limit converted from '0.399 ug/m3' at 293.15 K, 1013.25 hPa to '0.2 nmol/mol', conversion factor 0.5012." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozoneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ozone 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" />
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    <attribute name="actris_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
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    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_nmol_per_mol_stddev" shape="qc_ozone_nmol_per_mol_stddev_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_ozone_nmol_per_mol_stddev" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ozone_ug_per_m3_stddev" 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="qc_ozone_ug_per_m3_stddev meta_ozone_ug_per_m3_stddev" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-03-04T11:51:54.199837Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="6mn" />
    <attribute name="ebas_station_code" value="FI0050R" />
    <attribute name="ebas_platform_code" value="FI0050S" />
    <attribute name="ebas_station_name" value="Hyytiälä" />
    <attribute name="ebas_station_gaw_id" value="HYY" />
    <attribute name="ebas_station_state_province" value="Pirka" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="61.85" />
    <attribute name="ebas_station_longitude" type="double" value="24.283333" />
    <attribute name="ebas_station_altitude" value="181.0 m" />
    <attribute name="ebas_measurement_height" value="34.0 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="FI03L" />
    <attribute name="ebas_instrument_type" value="uv_abs" />
    <attribute name="ebas_instrument_name" value="uv_abs_Thermo_49i_SMR" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="49i" />
    <attribute name="ebas_instrument_serial_number" value="None" />
    <attribute name="ebas_method_ref" value="FI03L_Mastgas_IMP_2022" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Inlet protected against rain with indented and downward inclined apertures in a machined piece of a PTFE rod; 157 m long sample line of 16/14 mm diam. PTFE tube; 5 um PTFE filters at analyser inlet" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_inlet_tube_outer_diameter" value="16.0 mm" />
    <attribute name="ebas_inlet_tube_inner_diameter" value="14.0 mm" />
    <attribute name="ebas_inlet_tube_length" value="157.0 m" />
    <attribute name="ebas_maintenance_description" value="filter at analyser inlet changed at 1 month intervals" />
    <attribute name="ebas_flow_rate" value="45.0 l/min" />
    <attribute name="ebas_zero_span_check_type" value="manual" />
    <attribute name="ebas_zero_span_check_interval" value="4mo" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="outdoors inlet + line heated at 5 C above air temp; indoors passive sample heating from atmospheric to lab temperature" />
    <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="0.399 ug/m3" />
    <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value=", World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value=", 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="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Petäjä, Tuukka, tuukka.petaja@helsinki.fi, University of Helsinki, UHEL, &quot;&quot;Division of Atmospheric Sciences, Department of Physics&quot;&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Keronen, Petri, , , , , , , , , &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: CAMPAIGN, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug/m3' at 293.15 K, 1013.25 hPa, conversion factor 1.99534." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ozonemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ozone 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_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/ultra-violetabsorptiondetector" />
    <attribute name="actris_instrument_type_preferred_term" value="ultra-violet fluorescence detector" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ozone_ug_per_m3_stddev" shape="qc_ozone_ug_per_m3_stddev_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_ozone_ug_per_m3_stddev" 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>
