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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 ammonia at Eibergen (NL0007R) using tub_denuder" />
  <attribute name="keywords" value="Eibergen, air, CAMP, EMEP_preliminary, mass_concentration_of_ammonia_expressed_as_nitrogen_in_air, ammonia, NL0007R" />
  <attribute name="id" value="HQUK-6VSD.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP_preliminary" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/HQUK-6VSD" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Hans Berkhout, ammonia - tub_denuder at Eibergen, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HQUK-6VSD" />
  <attribute name="summary" value="Ground based in situ observations of ammonia at Eibergen (NL0007R) using tub_denuder. These measurements are gathered as a part of the following projects CAMP, EMEP_preliminary and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ammonia in air (mass_concentration_of_ammonia_expressed_as_nitrogen_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NL01L, Rijks institut voor volksgezondheid en milieuhygiene, RIVM, Antoine van Leeuwenhoeklaan 9, Postbus 1, NL-3720 BA BILTHOVEN, The Netherlands" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2015-07-21T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2015-07-21T00:00:00 UTC" />
  <attribute name="creator_name" value="Hans Berkhout" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Rob Zwartjes" />
  <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 (52.083333 6.566667 19.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="52.083333" />
  <attribute name="geospatial_lat_max" type="double" value="52.083333" />
  <attribute name="geospatial_lon_min" type="double" value="6.566667" />
  <attribute name="geospatial_lon_max" type="double" value="6.566667" />
  <attribute name="geospatial_vertical_min" type="double" value="19.0" />
  <attribute name="geospatial_vertical_max" type="double" value="19.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2014-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2015-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <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="Hans Berkhout, ammonia - tub_denuder at Eibergen, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HQUK-6VSD" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="HQUK-6VSD.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/HQUK-6VSD" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/HQUK-6VSD" />
  <attribute name="ebas_file_creation" value="2023-12-08T18:00:39.615236 UTC" />
  <attribute name="ebas_export_state" value="2016-01-07T12:59:28.553000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20140101000000" />
  <attribute name="ebas_revision_date" value="20150721000000" />
  <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_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_station_code" value="NL0007R" />
  <attribute name="ebas_platform_code" value="NL0007S" />
  <attribute name="ebas_station_name" value="Eibergen" />
  <attribute name="ebas_station_latitude" value="52.083333" />
  <attribute name="ebas_station_longitude" value="6.566667" />
  <attribute name="ebas_station_altitude" value="20.0 m" />
  <attribute name="ebas_measurement_altitude" value="19.0 m" />
  <attribute name="ebas_measurement_height" value="2.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="ammonia" />
  <attribute name="ebas_unit" value="ug N/m3" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="NL01L" />
  <attribute name="ebas_instrument_type" value="tub_denuder" />
  <attribute name="ebas_instrument_name" value="ECN_Amor" />
  <attribute name="ebas_method_ref" value="NL01L_LM-W-500_501_IL-W-900" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
  <attribute name="ebas_organization" value="NL01L, Rijks institut voor volksgezondheid en milieuhygiene, RIVM, , &quot;Antoine van Leeuwenhoeklaan 9, Postbus 1, NL-3720 BA BILTHOVEN, The Netherlands&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="CAMP, EMEP_preliminary" />
  <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, Preliminary data submissions for European Monitoring and Evaluation Programme" />
  <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." />
  <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="Berkhout, Hans, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Zwartjes, Rob, rob.zwartjes@rivm.nl, Rijks instituut voor volgezondsheid en milieu, RIVM, ILG, P.O. Box 1, , 3720BA, Bilthoven, Netherlands" />
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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;Hans Berkhout, ammonia - tub_denuder at Eibergen, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HQUK-6VSD&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;HQUK-6VSD.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/HQUK-6VSD&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/HQUK-6VSD&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T18:00:39.615236 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-01-07T12:59:28.553000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20140101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20150721000000&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, 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;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;NL0007R&quot;,&#xA;    &quot;Platform code&quot;: &quot;NL0007S&quot;,&#xA;    &quot;Station name&quot;: &quot;Eibergen&quot;,&#xA;    &quot;Station latitude&quot;: &quot;52.083333&quot;,&#xA;    &quot;Station longitude&quot;: &quot;6.566667&quot;,&#xA;    &quot;Station altitude&quot;: &quot;20.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;19.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;2.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;ammonia&quot;,&#xA;    &quot;Unit&quot;: &quot;ug N/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;NL01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;tub_denuder&quot;,&#xA;    &quot;Instrument name&quot;: &quot;ECN_Amor&quot;,&#xA;    &quot;Method ref&quot;: &quot;NL01L_LM-W-500_501_IL-W-900&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not blank corrected&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as measured if within detection limit, flagged with 780&quot;,&#xA;    &quot;Organization&quot;: &quot;NL01L, Rijks institut voor volksgezondheid en milieuhygiene, RIVM, , \&quot;Antoine van Leeuwenhoeklaan 9, Postbus 1, NL-3720 BA BILTHOVEN, The Netherlands\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;CAMP, EMEP_preliminary&quot;,&#xA;    &quot;Framework name&quot;: &quot;OSPARCOM - Comprehensive Atmospheric Monitoring Programme, Preliminary data submissions for European Monitoring and Evaluation Programme&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.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Wenche Aas, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;waa@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Berkhout, Hans, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Zwartjes, Rob, rob.zwartjes@rivm.nl, Rijks instituut voor volgezondsheid en milieu, RIVM, ILG, P.O. Box 1, , 3720BA, Bilthoven, Netherlands&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="8760" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="ammonia_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2014-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT23H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
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    <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>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonia_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonia_qc ammonia_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="20150721000000" />
    <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" />
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    <attribute name="ebas_station_code" value="NL0007R" />
    <attribute name="ebas_platform_code" value="NL0007S" />
    <attribute name="ebas_station_name" value="Eibergen" />
    <attribute name="ebas_station_latitude" value="52.083333" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
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    <attribute name="ebas_measurement_height" value="2.0 m" />
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    <attribute name="ebas_unit" value="ug N/m3" />
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    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, Preliminary data submissions for European Monitoring and Evaluation Programme" />
    <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." />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="Berkhout, Hans, , , , , , , , , " />
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  </variable>
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="time" shape="time" type="double">
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    <attribute name="standard_name" value="time" />
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    <attribute name="calendar" value="gregorian" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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