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  <attribute name="title" value="Nitrogen_monoxide at Sonnblick" />
  <attribute name="summary" value="Nitrogen_monoxide at Sonnblick. 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: ['nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air)', 'nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air)']" />
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  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/M3G8-49S8" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Buxbaum, I., EMEP, GAW-WDCRG, 2024, Nitrogen_monoxide at Sonnblick, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/M3G8-49S8" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="AT03L &quot;Umweltbundesamt Wien&quot; UBA-AQC &quot;Air Quality Control&quot; &quot;Spittelauer Lände 5&quot; 1090 Wien Austria" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2024-09-12T12:06:19.551170Z" />
  <attribute name="date_metadata_modified" value="2024-09-12T12:06:19Z" />
  <attribute name="creator_name" value="Iris Buxbaum" />
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  <attribute name="contributor_name" value="Wolfgang Spangl" />
  <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" />
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  <attribute name="ebas_component" value="nitrogen_monoxide" />
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  <attribute name="ebas_instrument_type" value="chemiluminescence_molybdenum" />
  <attribute name="ebas_instrument_name" value="TEI42CTL_817" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
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  <attribute name="ebas_inlet_description" value="Downward facing with hood" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
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  <attribute name="ebas_measurement_uncertainty_expl" value="includes statistical uncertainty of individual sample and calibration uncertainty" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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  <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="&quot;Buxbaum, Iris, iris.buxbaum@umweltbundesamt.at, Umweltbundesamt Wien, UBA AT, Air Quality Control, Spittelauer Laende 5, , 1090, Wien, Austria&quot;" />
  <attribute name="ebas_submitter" value="&quot;Spangl, Wolfgang, , , , , , , , , &quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, GAW-WDCRG." />
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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="35063" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="qc_nitrogen_monoxide_nmol_per_mol_flags" length="1" />
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  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2020-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2023-12-31T23:30:00Z" />
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    <attribute name="metadata_creation" value="2026-07-07" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.624923. Measurement uncertainty converted from '3.0 nmol/mol' to '1.8748 ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.624923. -- Data converted on export from EBAS from 'ug N/m3' at 273.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.60020. Measurement uncertainty converted from '1.8748 ug N/m3' at 273.15 K, 1013.25 hPa to '3.0 nmol/mol', conversion factor 1.60020. Detection limit converted from '0.0625 ug N/m3' at 273.15 K, 1013.25 hPa to '0.1 nmol/mol', conversion factor 1.60020." />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_submitter" value="&quot;Spangl, Wolfgang, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Data converted on import into EBAS from 'nmol/mol' to 'ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.624923. Measurement uncertainty converted from '3.0 nmol/mol' to '1.8748 ug N/m3' at 273.15 K, 1013.25 hPa, conversion factor 0.624923." />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
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  </variable>
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  <variable name="meta_nitrogen_monoxide_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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    <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" />
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