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  <attribute name="title" value="Ammonium at Noia" />
  <attribute name="summary" value="Ammonium at Noia. 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 aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'ammonium in aerosol (mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air)']" />
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  <attribute name="doi" value="https://doi.org/10.48597/QX4R-W3G2" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Martinez, J., CAMP, EMEP, 2014, Ammonium at Noia, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QX4R-W3G2" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES01L &quot;Instituto Salud Carlos III, Centro Nacional de Sanidad Ambiental, Area de Contaminacion Atmosferica&quot; CNSA &quot;Ctra. Majadahonda a Pozuelo Km 2, 28220 Majadahonda, Madrid, Spain&quot;" />
  <attribute name="date_created" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="date_metadata_modified" value="2014-05-01T00:00:00Z" />
  <attribute name="creator_name" value="Juan Martinez" />
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  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Juan Martinez" />
  <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" />
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  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (-8.92361 42.72056 683)" />
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  <attribute name="geospatial_lon_max" type="double" value="-8.92361" />
  <attribute name="geospatial_vertical_min" type="double" value="683.0" />
  <attribute name="geospatial_vertical_max" type="double" value="683.0" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_station_code" value="ES0005R" />
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  <attribute name="ebas_station_name" value="Noia" />
  <attribute name="ebas_station_latitude" type="double" value="42.72056" />
  <attribute name="ebas_station_longitude" type="double" value="-8.92361" />
  <attribute name="ebas_station_altitude" value="683.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="ammonium" />
  <attribute name="ebas_matrix" value="aerosol" />
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  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
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  <attribute name="history" value="None" />
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  <attribute name="processing_level" value="processing_level_test" />
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  <dimension name="tbnds" length="2" />
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  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="1993-01-01T19:00:00Z" />
    <attribute name="time_coverage_end" value="2000-12-31T19:00:00Z" />
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    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2921DT0H0M0.000S" />
  </group>
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    <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" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air" />
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    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_ammonium_ug_N_per_m3 meta_ammonium_ug_N_per_m3" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
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