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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of sulphur_dioxide at Schauinsland (DE0003R) using uv_fluoresc" />
  <attribute name="keywords" value="Schauinsland, air, DE0003R, GAW-WDCRG, mole_fraction_of_sulfur_dioxide_in_air, mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air, EMEP, sulphur_dioxide" />
  <attribute name="id" value="PVXN-PA4E.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/PVXN-PA4E" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Hellack Bryan, Hellack Bryan, sulphur_dioxide - uv_fluoresc at Schauinsland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/PVXN-PA4E" />
  <attribute name="summary" value="Ground based in situ observations of sulphur_dioxide at Schauinsland (DE0003R) using uv_fluoresc. 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: sulphur_dioxide in air (mole_fraction_of_sulfur_dioxide_in_air), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, 63225, Langen, Germany" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-12-19T14:25:42 UTC" />
  <attribute name="date_metadata_modified" value="2022-12-19T14:25:42 UTC" />
  <attribute name="creator_name" value="Hellack Bryan, Hellack Bryan" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="bryan.hellack@uba.de, bryan.hellack@uba.de" />
  <attribute name="creator_institution" value="&quot;Umweltbundesamt Langen, Air Monitoring Network, UBA&quot;, &quot;Umweltbundesamt Langen, Air Monitoring Network, UBA&quot;" />
  <attribute name="contributor_name" value="Stefan Feigenspan, Stefan Feigenspan" />
  <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 (47.914722 7.908611 1205.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="47.914722" />
  <attribute name="geospatial_lat_max" type="double" value="47.914722" />
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  <attribute name="geospatial_lon_max" type="double" value="7.908611" />
  <attribute name="geospatial_vertical_min" type="double" value="1205.0" />
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  <attribute name="time_coverage_start" value="2019-12-31T23:00:00 UTC" />
  <attribute name="time_coverage_end" value="2021-12-31T23:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-00-00T00:00:00" />
  <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="Hellack Bryan, Hellack Bryan, sulphur_dioxide - uv_fluoresc at Schauinsland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/PVXN-PA4E" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="PVXN-PA4E.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/PVXN-PA4E" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/PVXN-PA4E" />
  <attribute name="ebas_file_creation" value="2023-12-08T21:49:30.805980 UTC" />
  <attribute name="ebas_export_state" value="2022-12-19T14:25:42.561551 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20191231230000" />
  <attribute name="ebas_revision_date" value="20221219142542" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="2y" />
  <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="DE0003R" />
  <attribute name="ebas_platform_code" value="DE0003S" />
  <attribute name="ebas_station_name" value="Schauinsland" />
  <attribute name="ebas_station_latitude" value="47.914722" />
  <attribute name="ebas_station_longitude" value="7.908611" />
  <attribute name="ebas_station_altitude" value="1205.0 m" />
  <attribute name="ebas_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="sulphur_dioxide" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="DE03L" />
  <attribute name="ebas_instrument_type" value="uv_fluoresc" />
  <attribute name="ebas_instrument_name" value="UBA_Sc_Mon_0401" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
  <attribute name="ebas_instrument_model" value="43i-TLE" />
  <attribute name="ebas_method_ref" value="DE03L_uv_flr" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_flow_rate" value="0.5 l/min" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations. Values below negative detection limit are reported as missing." />
  <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
  <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="Bryan, Hellack, bryan.hellack@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
  <attribute name="ebas_submitter" value="Feigenspan, Stefan, stefan.feigenspan@uba.de, Umweltbundesamt, UBA, Air Quality Assessment, Woerlitzer Platz 1, , 06844, Dessau-Rosslau, Germany" />
  <attribute name="ebas_acknowledgement" value="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="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;Hellack Bryan, Hellack Bryan, sulphur_dioxide - uv_fluoresc at Schauinsland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/PVXN-PA4E&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;PVXN-PA4E.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/PVXN-PA4E&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/PVXN-PA4E&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T21:49:30.805980 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2022-12-19T14:25:42.561551 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20191231230000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20221219142542&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, automatically generated, 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;2y&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;DE0003R&quot;,&#xA;    &quot;Platform code&quot;: &quot;DE0003S&quot;,&#xA;    &quot;Station name&quot;: &quot;Schauinsland&quot;,&#xA;    &quot;Station latitude&quot;: &quot;47.914722&quot;,&#xA;    &quot;Station longitude&quot;: &quot;7.908611&quot;,&#xA;    &quot;Station altitude&quot;: &quot;1205.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;sulphur_dioxide&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;DE03L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;uv_fluoresc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;UBA_Sc_Mon_0401&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Thermo&quot;,&#xA;    &quot;Instrument model&quot;: &quot;43i-TLE&quot;,&#xA;    &quot;Method ref&quot;: &quot;DE03L_uv_flr&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Flow rate&quot;: &quot;0.5 l/min&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations. Values below negative detection limit are reported as missing.&quot;,&#xA;    &quot;Organization&quot;: &quot;DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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;Bryan, Hellack, bryan.hellack@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&quot;,&#xA;    &quot;Submitter&quot;: &quot;Feigenspan, Stefan, stefan.feigenspan@uba.de, Umweltbundesamt, UBA, Air Quality Assessment, Woerlitzer Platz 1, , 06844, Dessau-Rosslau, Germany&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="17544" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="sulphur_dioxide_nmol_per_mol_qc_flags" length="1" />
  <dimension name="sulphur_dioxide_ug_S_per_m3_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2019-12-31T23:30:00Z" />
    <attribute name="time_coverage_end" value="2021-12-31T22:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M730DT23H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-18" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="sulphur_dioxide_nmol_per_mol_qc sulphur_dioxide_nmol_per_mol_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphur_dioxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
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    <attribute name="ebas_flow_rate" value="0.5 l/min" />
    <attribute name="ebas_detection_limit" value="0.11266 nmol/mol" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations. Values below negative detection limit are reported as missing." />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.7503155. Detection limit converted from '0.15015 ug S/m3' at 293.15 K, 1013.25 hPa to '0.11266 nmol/mol', conversion factor 0.7503155." />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="uv_fluoresc" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_Mon_0401" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
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    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sulphur_dioxide_ug_S_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>
