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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 Kårvatn (NO0039R) using glass_sinter" />
  <attribute name="keywords" value="nitrogen_dioxide, air, NO0039R, CAMP, NILU, mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air, Kårvatn, EMEP" />
  <attribute name="id" value="VUCB-6UHH.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP, NILU" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/VUCB-6UHH" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Wenche Aas, nitrogen_dioxide - glass_sinter at Kårvatn, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/VUCB-6UHH" />
  <attribute name="summary" value="Ground based in situ observations of nitrogen_dioxide at Kårvatn (NO0039R) using glass_sinter. These measurements are gathered as a part of the following projects CAMP, EMEP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-03-17T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2020-03-17T00:00:00 UTC" />
  <attribute name="creator_name" value="Wenche Aas" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="waa@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;" />
  <attribute name="contributor_name" value="Wenche Aas, Anne Hjellbrekke" />
  <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 (62.783333 8.883333 210.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="62.783333" />
  <attribute name="geospatial_lat_max" type="double" value="62.783333" />
  <attribute name="geospatial_lon_min" type="double" value="8.883333" />
  <attribute name="geospatial_lon_max" type="double" value="8.883333" />
  <attribute name="geospatial_vertical_min" type="double" value="210.0" />
  <attribute name="geospatial_vertical_max" type="double" value="210.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2019-01-01T07:00:00 UTC" />
  <attribute name="time_coverage_end" value="2020-01-01T07:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <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_citation" value="Wenche Aas, nitrogen_dioxide - glass_sinter at Kårvatn, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/VUCB-6UHH" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="VUCB-6UHH.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/VUCB-6UHH" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/VUCB-6UHH" />
  <attribute name="ebas_file_creation" value="2023-12-08T13:25:00.321545 UTC" />
  <attribute name="ebas_export_state" value="2020-03-18T11:18:59.307000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20190101070000" />
  <attribute name="ebas_revision_date" value="20200317000000" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_station_code" value="NO0039R" />
  <attribute name="ebas_platform_code" value="NO0039S" />
  <attribute name="ebas_station_name" value="Kårvatn" />
  <attribute name="ebas_station_latitude" value="62.783333" />
  <attribute name="ebas_station_longitude" value="8.883333" />
  <attribute name="ebas_station_altitude" value="210.0 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="NO01L" />
  <attribute name="ebas_instrument_type" value="glass_sinter" />
  <attribute name="ebas_instrument_name" value="glass_d_0039" />
  <attribute name="ebas_instrument_manufacturer" value="NILU" />
  <attribute name="ebas_instrument_model" value="FK" />
  <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
  <attribute name="ebas_analytical_measurement_technique" value="spectrophotometric" />
  <attribute name="ebas_analytical_instrument_name" value="AA500_autoanalyzer" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="SEAL Analytical" />
  <attribute name="ebas_analytical_instrument_model" value="AA500 AutoAnalyzer" />
  <attribute name="ebas_method_ref" value="NO01L_AA500_autoanalyzer" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_detection_limit" value="0.02 ug N/m3" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
  <attribute name="ebas_qa1_measure_id" value="EMEP37" />
  <attribute name="ebas_qa1_date" value="2019-12-06 UTC" />
  <attribute name="ebas_qa1_outcome" value="pass" />
  <attribute name="ebas_qa1_bias" value="-2.89 %" />
  <attribute name="ebas_qa1_variability" value="2.61 %" />
  <attribute name="ebas_qa1_document_name" value="Summary statistics EMEP laboratory intercalibration Round 37" />
  <attribute name="ebas_qa1_document_date" value="2020-03-01 UTC" />
  <attribute name="ebas_qa1_document_url" value="http://www.nilu.no/projects/ccc/qameasure/emep37.pdf" />
  <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_framework_acronym" value="CAMP, EMEP, NILU" />
  <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
  <attribute name="ebas_framework_description" value="The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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., Atmospheric measuremnts produced at NILU." />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Aas, Wenche, waa@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0002-2908-1970" />
  <attribute name="ebas_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
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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;Wenche Aas, nitrogen_dioxide - glass_sinter at Kårvatn, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/VUCB-6UHH&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;VUCB-6UHH.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/VUCB-6UHH&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/VUCB-6UHH&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T13:25:00.321545 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-03-18T11:18:59.307000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20190101070000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200317000000&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;NO0039R&quot;,&#xA;    &quot;Platform code&quot;: &quot;NO0039S&quot;,&#xA;    &quot;Station name&quot;: &quot;Kårvatn&quot;,&#xA;    &quot;Station latitude&quot;: &quot;62.783333&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.883333&quot;,&#xA;    &quot;Station altitude&quot;: &quot;210.0 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;NO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;glass_sinter&quot;,&#xA;    &quot;Instrument name&quot;: &quot;glass_d_0039&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;NILU&quot;,&#xA;    &quot;Instrument model&quot;: &quot;FK&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;spectrophotometric&quot;,&#xA;    &quot;Analytical instrument name&quot;: &quot;AA500_autoanalyzer&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;SEAL Analytical&quot;,&#xA;    &quot;Analytical instrument model&quot;: &quot;AA500 AutoAnalyzer&quot;,&#xA;    &quot;Method ref&quot;: &quot;NO01L_AA500_autoanalyzer&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v1996&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Detection limit&quot;: &quot;0.02 ug N/m3&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of laboratory blanks&quot;,&#xA;    &quot;QA1 measure ID&quot;: &quot;EMEP37&quot;,&#xA;    &quot;QA1 date&quot;: &quot;2019-12-06 UTC&quot;,&#xA;    &quot;QA1 outcome&quot;: &quot;pass&quot;,&#xA;    &quot;QA1 bias&quot;: &quot;-2.89 %&quot;,&#xA;    &quot;QA1 variability&quot;: &quot;2.61 %&quot;,&#xA;    &quot;QA1 document name&quot;: &quot;Summary statistics EMEP laboratory intercalibration Round 37&quot;,&#xA;    &quot;QA1 document date&quot;: &quot;2020-03-01 UTC&quot;,&#xA;    &quot;QA1 document URL&quot;: &quot;http://www.nilu.no/projects/ccc/qameasure/emep37.pdf&quot;,&#xA;    &quot;Organization&quot;: &quot;NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;CAMP, EMEP, NILU&quot;,&#xA;    &quot;Framework name&quot;: &quot;OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme, Norwegian Institute for Air Research&quot;,&#xA;    &quot;Framework description&quot;: &quot;The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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., Atmospheric measuremnts produced at NILU.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Wenche Aas, Kjetil Tørseth, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;waa@nilu.no, kt@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Aas, Wenche, waa@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0002-2908-1970&quot;,&#xA;    &quot;Submitter&quot;: &quot;Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&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="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="nitrogen_dioxide_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2019-01-01T19:00:00Z" />
    <attribute name="time_coverage_end" value="2019-12-31T19:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-17" />
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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" />
  </variable>
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    <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="20200317000000" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="NO0039R" />
    <attribute name="ebas_platform_code" value="NO0039S" />
    <attribute name="ebas_station_name" value="Kårvatn" />
    <attribute name="ebas_station_latitude" value="62.783333" />
    <attribute name="ebas_station_longitude" value="8.883333" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
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    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
    <attribute name="ebas_framework_description" value="The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
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    <attribute name="calendar" value="gregorian" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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