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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 nitrogen_dioxide at Schauinsland (DE0003R) using filter_abs_solution" />
  <attribute name="keywords" value="air, sel_GEOmon2.1, Schauinsland, DE0003R, EMEP, nitrogen_dioxide" />
  <attribute name="id" value="2HX9-QZQB.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, sel_GEOmon2.1" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.21336/2HX9-QZQB" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="summary" value="Ground based in situ observations of nitrogen_dioxide at Schauinsland (DE0003R) using filter_abs_solution. These measurements are gathered as a part of the following projects EMEP, sel_GEOmon2.1 and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nitrogen_dioxide 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="date_created" value="2014-05-01T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2014-05-01T00:00:00 UTC" />
  <attribute name="creator_name" value="Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , , , , , , , , , , , , , , , , , " />
  <attribute name="creator_institution" value=", , , , , , , , , , , , , , , , , , " />
  <attribute name="contributor_name" value="Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, 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" />
  <attribute name="geospatial_lon_min" type="double" value="7.908611" />
  <attribute name="geospatial_lon_max" type="double" value="7.908611" />
  <attribute name="geospatial_vertical_min" type="double" value="1205.0" />
  <attribute name="geospatial_vertical_max" type="double" value="1205.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="1982-01-01T07:00:00 UTC" />
  <attribute name="time_coverage_end" value="2001-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0018-11-30T17:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <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_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="2HX9-QZQB.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.21336/2HX9-QZQB" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.21336/2HX9-QZQB" />
  <attribute name="ebas_file_creation" value="2023-01-04T10:38:32.305907 UTC" />
  <attribute name="ebas_export_state" value="2014-05-01T00:00:00.000000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="19820101070000" />
  <attribute name="ebas_revision_date" value="20140501000000" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="19y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <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_regime" value="IMG" />
  <attribute name="ebas_component" value="nitrogen_dioxide" />
  <attribute name="ebas_unit" value="ug N/m3" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="DE03L" />
  <attribute name="ebas_instrument_type" value="filter_abs_solution" />
  <attribute name="ebas_instrument_name" value="fabs_03" />
  <attribute name="ebas_method_ref" value="DE03L_Saltzman" />
  <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
  <attribute name="ebas_framework_acronym" value="EMEP, sel_GEOmon2.1" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, " />
  <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., " />
  <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="Wallasch, Markus, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Wallasch, Markus, , , , , , , , , " />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;2HX9-QZQB.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.21336/2HX9-QZQB&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.21336/2HX9-QZQB&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-01-04T10:38:32.305907 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2014-05-01T00:00:00.000000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;19820101070000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20140501000000&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Period code&quot;: &quot;19y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&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;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;nitrogen_dioxide&quot;,&#xA;    &quot;Unit&quot;: &quot;ug N/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;DE03L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_abs_solution&quot;,&#xA;    &quot;Instrument name&quot;: &quot;fabs_03&quot;,&#xA;    &quot;Method ref&quot;: &quot;DE03L_Saltzman&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, sel_GEOmon2.1&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Monitoring and Evaluation Programme, &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., &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;Wallasch, Markus, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Wallasch, Markus, , , , , , , , , &quot;&#xA;}" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="6940" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="19" />
  <dimension name="nitrogen_dioxide_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="1982-01-01T19:00:00Z" />
    <attribute name="time_coverage_end" value="2000-12-31T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86396.0" />
    <attribute name="time_coverage_duration" value="P0Y0M6938DT17H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="nitrogen_dioxide" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrogen_dioxide_qc nitrogen_dioxide_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20140501000000" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <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_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_abs_solution" />
    <attribute name="ebas_instrument_name" value="fabs_03" />
    <attribute name="ebas_method_ref" value="DE03L_Saltzman" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP, sel_GEOmon2.1" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, " />
    <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., " />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
  </variable>
  <variable name="nitrogen_dioxide_qc" shape="nitrogen_dioxide_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="nitrogen_dioxide_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>
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