<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ammonium at Niembro" />
  <attribute name="summary" value="Ammonium at Niembro. 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: ['ammonium in pm25 (mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air)', 'ammonium in pm25 (mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Niembro ES0008R ammonium pm25 CAMP EMEP mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air" />
  <attribute name="id" value="7S9C-GRJQ.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/7S9C-GRJQ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Lopez Bartolome, M., Lopez Bartolome, M., Lopez, B., CAMP, EMEP, 2018, Ammonium at Niembro, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/7S9C-GRJQ" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES04L &quot;Ministerio de Medio Ambiente&quot; &quot;DG de Calidad y Evaluacion Ambiental&quot; &quot;Plaza de San Juan de la Cruz, s/n&quot; 28071 Madrid Spain" />
  <attribute name="date_created" value="2018-10-17T10:41:41.977000Z" />
  <attribute name="date_metadata_modified" value="2018-07-10T00:00:00Z" />
  <attribute name="creator_name" value="Maria Lopez Bartolome, María Lopez Bartolome, Bartolome María Lopez" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , " />
  <attribute name="creator_institution" value=", , " />
  <attribute name="contributor_name" value="Maj Britt Larka Abellan, &quot;Abellan &quot;&quot;Maj Britt&quot;&quot; Larka&quot;, Abellan Maj Britt Larka" />
  <attribute name="contributor_role" value="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 (-4.85 43.43917 134)" />
  <attribute name="geospatial_lat_min" type="double" value="43.43917" />
  <attribute name="geospatial_lat_max" type="double" value="43.43917" />
  <attribute name="geospatial_lon_min" type="double" value="-4.85" />
  <attribute name="geospatial_lon_max" type="double" value="-4.85" />
  <attribute name="geospatial_vertical_min" type="double" value="134.0" />
  <attribute name="geospatial_vertical_max" type="double" value="134.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2014-01-04T07:00:00Z" />
  <attribute name="time_coverage_end" value="2017-12-28T07:00:00Z" />
  <attribute name="time_coverage_duration" value="P0003-11-24T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-06T00:00:00" />
  <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="Lopez Bartolome, M., Lopez Bartolome, M., Lopez, B., CAMP, EMEP, 2018, Ammonium at Niembro, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/7S9C-GRJQ" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="7S9C-GRJQ.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/7S9C-GRJQ" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/7S9C-GRJQ" />
  <attribute name="ebas_file_creation" value="2026-05-31T02:58:38.712535Z" />
  <attribute name="ebas_export_state" value="2018-10-17T10:41:41.977000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2014-01-04T07:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2018-07-10T00:00:00.000000Z" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="4y" />
  <attribute name="ebas_resolution_code" value="6d" />
  <attribute name="ebas_station_code" value="ES0008R" />
  <attribute name="ebas_platform_code" value="ES0008S" />
  <attribute name="ebas_station_name" value="Niembro" />
  <attribute name="ebas_station_gaw_id" value="NIE" />
  <attribute name="ebas_station_gaw_name" value="Niembro" />
  <attribute name="ebas_station_land_use" value="Grassland" />
  <attribute name="ebas_station_setting" value="Coastal" />
  <attribute name="ebas_station_gaw_type" value="O" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="43.43917" />
  <attribute name="ebas_station_longitude" type="double" value="-4.85" />
  <attribute name="ebas_station_altitude" value="134.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="ammonium" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="ES01L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="ES0008R_148" />
  <attribute name="ebas_method_ref" value="ES01L_IC_c" />
  <attribute name="ebas_organization" value="ES04L, Ministerio de Medio Ambiente, , DG de Calidad y Evaluacion Ambiental, &quot;Plaza de San Juan de la Cruz, s/n&quot;, , 28071, Madrid, Spain" />
  <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;Lopez Bartolome, Maria, , , , , , , , , &quot;, &quot;Lopez Bartolome, María, , , , , , , , , &quot;, &quot;Lopez, Bartolome María, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Larka Abellan, Maj Britt, , , , , , , , , &quot;, &quot;Larka, &quot;&quot;Abellan &quot;&quot;&quot;&quot;Maj Britt&quot;&quot;&quot;&quot;&quot;&quot;, , , , , , , , , &quot;, &quot;Larka, Abellan Maj Britt, , , , , , , , , &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." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <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="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="240" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="qc_ammonium_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-04T19:00:00Z" />
    <attribute name="time_coverage_end" value="2017-12-27T19:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="525268.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1453DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-06-11" />
    <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_ammonium_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_ammonium_ug_N_per_m3 meta_ammonium_ug_N_per_m3" />
    <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="2018-07-10T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="ES0008R" />
    <attribute name="ebas_platform_code" value="ES0008S" />
    <attribute name="ebas_station_name" value="Niembro" />
    <attribute name="ebas_station_gaw_id" value="NIE" />
    <attribute name="ebas_station_gaw_name" value="Niembro" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="43.43917" />
    <attribute name="ebas_station_longitude" type="double" value="-4.85" />
    <attribute name="ebas_station_altitude" value="134.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ES0008R_148" />
    <attribute name="ebas_method_ref" value="ES01L_IC_c" />
    <attribute name="ebas_organization" value="ES04L, Ministerio de Medio Ambiente, , DG de Calidad y Evaluacion Ambiental, &quot;Plaza de San Juan de la Cruz, s/n&quot;, , 28071, Madrid, Spain" />
    <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;Lopez Bartolome, Maria, , , , , , , , , &quot;, &quot;Lopez Bartolome, María, , , , , , , , , &quot;, &quot;Lopez, Bartolome María, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Larka Abellan, Maj Britt, , , , , , , , , &quot;, &quot;Larka, &quot;&quot;Abellan &quot;&quot;&quot;&quot;Maj Britt&quot;&quot;&quot;&quot;&quot;&quot;, , , , , , , , , &quot;, &quot;Larka, Abellan Maj Britt, , , , , , , , , &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." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <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/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter 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" />
    <attribute name="actris_framework_preferred_term" value="CAMP, EMEP" />
    <attribute name="actris_temporal_resolution" value="P6D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ammonium_ug_N_per_m3" shape="qc_ammonium_ug_N_per_m3_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="meta_ammonium_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="v_ammonium_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_ammonium_ug_per_m3 meta_ammonium_ug_per_m3" />
    <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="2018-07-10T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="ES0008R" />
    <attribute name="ebas_platform_code" value="ES0008S" />
    <attribute name="ebas_station_name" value="Niembro" />
    <attribute name="ebas_station_gaw_id" value="NIE" />
    <attribute name="ebas_station_gaw_name" value="Niembro" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="O" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="43.43917" />
    <attribute name="ebas_station_longitude" type="double" value="-4.85" />
    <attribute name="ebas_station_altitude" value="134.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="ES0008R_148" />
    <attribute name="ebas_method_ref" value="ES01L_IC_c" />
    <attribute name="ebas_organization" value="ES04L, Ministerio de Medio Ambiente, , DG de Calidad y Evaluacion Ambiental, &quot;Plaza de San Juan de la Cruz, s/n&quot;, , 28071, Madrid, Spain" />
    <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;Lopez Bartolome, Maria, , , , , , , , , &quot;, &quot;Lopez Bartolome, María, , , , , , , , , &quot;, &quot;Lopez, Bartolome María, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Larka Abellan, Maj Britt, , , , , , , , , &quot;, &quot;Larka, &quot;&quot;Abellan &quot;&quot;&quot;&quot;Maj Britt&quot;&quot;&quot;&quot;&quot;&quot;, , , , , , , , , &quot;, &quot;Larka, Abellan Maj Britt, , , , , , , , , &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." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <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/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter 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" />
    <attribute name="actris_framework_preferred_term" value="CAMP, EMEP" />
    <attribute name="actris_temporal_resolution" value="P6D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ammonium_ug_per_m3" shape="qc_ammonium_ug_per_m3_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="meta_ammonium_ug_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" />
  </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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
