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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ammonia at Koksijde" />
  <attribute name="summary" value="Ammonia at Koksijde. These measurements are gathered as a part of the following projects CAMP, EMEP 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="keywords" value="Koksijde BE0014R ammonia air CAMP EMEP mass_concentration_of_ammonia_expressed_as_nitrogen_in_air" />
  <attribute name="id" value="H5M4-Y96B.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/H5M4-Y96B" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Staelens, J., CAMP, EMEP, 2024, Ammonia at Koksijde, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H5M4-Y96B" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="BE01L &quot;Flanders Environment Agency&quot; VMM &quot;Section Air Immissions&quot; &quot;Kronenburgstraat 45&quot; 2000 Antwerpen Belgium" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2024-10-30T10:21:45.283689Z" />
  <attribute name="date_metadata_modified" value="2024-10-30T10:21:45Z" />
  <attribute name="creator_name" value="Jeroen Staelens" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="j.staelens@vmm.be" />
  <attribute name="creator_institution" value="&quot;Flanders Environment Agency, Section Air Immissions, VMM&quot;" />
  <attribute name="contributor_name" value="Elke Adriaenssens" />
  <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 (2.65854 51.12092 7)" />
  <attribute name="geospatial_lat_min" type="double" value="51.12092" />
  <attribute name="geospatial_lat_max" type="double" value="51.12092" />
  <attribute name="geospatial_lon_min" type="double" value="2.65854" />
  <attribute name="geospatial_lon_max" type="double" value="2.65854" />
  <attribute name="geospatial_vertical_min" type="double" value="7.0" />
  <attribute name="geospatial_vertical_max" type="double" value="7.0" />
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  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2017-12-26T00:00:00Z" />
  <attribute name="time_coverage_end" value="2023-12-19T11:00:57Z" />
  <attribute name="time_coverage_duration" value="P0005-11-23T11:00:57.600000" />
  <attribute name="time_coverage_resolution" value="P0000-00-28T00:00:00" />
  <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="Staelens, J., CAMP, EMEP, 2024, Ammonia at Koksijde, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H5M4-Y96B" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="H5M4-Y96B.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/H5M4-Y96B" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/H5M4-Y96B" />
  <attribute name="ebas_file_creation" value="2026-05-08T07:14:04.628144Z" />
  <attribute name="ebas_export_state" value="2024-10-30T10:21:45.283689Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2017-12-26T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2024-10-30T10:21:45.283689Z" />
  <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="6y" />
  <attribute name="ebas_resolution_code" value="4w" />
  <attribute name="ebas_sample_duration" value="4w" />
  <attribute name="ebas_orig_time_res" value="4w" />
  <attribute name="ebas_station_code" value="BE0014R" />
  <attribute name="ebas_platform_code" value="BE0014S" />
  <attribute name="ebas_station_name" value="Koksijde" />
  <attribute name="ebas_station_other_ids" value="KK01 (meta DB)" />
  <attribute name="ebas_station_land_use" value="Grassland" />
  <attribute name="ebas_station_setting" value="Coastal" />
  <attribute name="ebas_station_latitude" type="double" value="51.12092" />
  <attribute name="ebas_station_longitude" type="double" value="2.65854" />
  <attribute name="ebas_station_altitude" value="4.0 m" />
  <attribute name="ebas_measurement_altitude" value="7.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
  <attribute name="ebas_instrument_type" value="passive_sampler" />
  <attribute name="ebas_instrument_name" value="39KK01019_39KK01020" />
  <attribute name="ebas_instrument_manufacturer" value="Radiello" />
  <attribute name="ebas_instrument_model" value="RAD168" />
  <attribute name="ebas_analytical_laboratory_code" value="BE06L" />
  <attribute name="ebas_analytical_measurement_technique" value="IC" />
  <attribute name="ebas_analytical_instrument_name" value="SGS_IC" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
  <attribute name="ebas_analytical_instrument_model" value="ICS-3000" />
  <attribute name="ebas_method_ref" value="BE06L_SGS_IC" />
  <attribute name="ebas_standard_method" value="SOP=ISO 14911:1998" />
  <attribute name="ebas_detection_limit" value="0.01 ug N/m3" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured until -DL, flagged with 147" />
  <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
  <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
  <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, 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="&quot;Staelens, Jeroen, j.staelens@vmm.be, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium&quot;" />
  <attribute name="ebas_submitter" value="&quot;Adriaenssens, Elke, e.adriaenssens@vmm.be, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium&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: CAMP, EMEP. 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="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="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="65" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="5" />
  <dimension name="qc_ammonia_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2018-01-09T00:00:00Z" />
    <attribute name="time_coverage_end" value="2023-12-05T12:08:38Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="2911283.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2156DT12H8M38.400S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <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="v_ammonia" shape="time" type="double">
    <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="qc_ammonia meta_ammonia" />
    <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="2024-10-30T10:21:45.283689Z" />
    <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_sample_duration" value="4w" />
    <attribute name="ebas_orig_time_res" value="4w" />
    <attribute name="ebas_station_code" value="BE0014R" />
    <attribute name="ebas_platform_code" value="BE0014S" />
    <attribute name="ebas_station_name" value="Koksijde" />
    <attribute name="ebas_station_other_ids" value="KK01 (meta DB)" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_latitude" type="double" value="51.12092" />
    <attribute name="ebas_station_longitude" type="double" value="2.65854" />
    <attribute name="ebas_station_altitude" value="4.0 m" />
    <attribute name="ebas_measurement_altitude" value="7.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
    <attribute name="ebas_instrument_type" value="passive_sampler" />
    <attribute name="ebas_instrument_name" value="39KK01019_39KK01020" />
    <attribute name="ebas_instrument_manufacturer" value="Radiello" />
    <attribute name="ebas_instrument_model" value="RAD168" />
    <attribute name="ebas_analytical_laboratory_code" value="BE06L" />
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    <attribute name="ebas_method_ref" value="BE06L_SGS_IC" />
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    <attribute name="ebas_detection_limit" value="0.01 ug N/m3" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured until -DL, flagged with 147" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, 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="&quot;Staelens, Jeroen, j.staelens@vmm.be, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Adriaenssens, Elke, e.adriaenssens@vmm.be, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium&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: CAMP, EMEP. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ammoniamassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ammonia mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/passivegassampler" />
    <attribute name="actris_instrument_type_preferred_term" value="passive gas sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/CAMP, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
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    <attribute name="actris_temporal_resolution" value="P28D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ammonia" shape="qc_ammonia_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" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="long_name" value="time of measurement" />
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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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    <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" />
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