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  <attribute name="title" value="Sum_nitric_acid_and_nitrate at Doñana" />
  <attribute name="summary" value="Sum_nitric_acid_and_nitrate at Doñana. 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: ['sum_nitric_acid_and_nitrate in air+aerosol (mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air)']" />
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  <attribute name="id" value="NXNZ-27BN.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/NXNZ-27BN" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Lopez Bartolome, M., Lopez Bartolome, M., Bartolome, M., Lopez, B., Lopez, B., Fernández, M., Fernandez, M., CAMP, EMEP, 2021, Sum_nitric_acid_and_nitrate at Doñana, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/NXNZ-27BN" />
  <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="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-05-04T08:45:41.220000Z" />
  <attribute name="date_metadata_modified" value="2021-10-07T00:00:00Z" />
  <attribute name="creator_name" value="Maria Lopez Bartolome, María Lopez Bartolome, Maria Lopez Bartolome, Bartolome María Lopez, Bartolome Maria Lopez, Monistrol José Antonio Fernández, Monistrol Jose Antonio Fernandez" />
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  <attribute name="contributor_name" value="Maj Britt Larka Abellan, Maj Britt Larka Abellan, Abellan Maj Britt Larka, Cuesta Marta Munoz" />
  <attribute name="contributor_role" value="data submitter, 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 (-6.55528 37.05194 35)" />
  <attribute name="geospatial_lat_min" type="double" value="37.05194" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Lopez Bartolome, M., Lopez Bartolome, M., Bartolome, M., Lopez, B., Lopez, B., Fernández, M., Fernandez, M., CAMP, EMEP, 2021, Sum_nitric_acid_and_nitrate at Doñana, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/NXNZ-27BN" />
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  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_startdate" value="2014-01-01T07:00:00.000000Z" />
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  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="7y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_station_code" value="ES0017R" />
  <attribute name="ebas_platform_code" value="ES0017S" />
  <attribute name="ebas_station_name" value="Doñana" />
  <attribute name="ebas_station_latitude" type="double" value="37.05194" />
  <attribute name="ebas_station_longitude" type="double" value="-6.55528" />
  <attribute name="ebas_station_altitude" value="35.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="sum_nitric_acid_and_nitrate" />
  <attribute name="ebas_unit" value="ug N/m3" />
  <attribute name="ebas_matrix" value="air+aerosol" />
  <attribute name="ebas_laboratory_code" value="ES01L" />
  <attribute name="ebas_instrument_type" value="filter_1pack" />
  <attribute name="ebas_instrument_name" value="ES0017R_2000B20599908" />
  <attribute name="ebas_method_ref" value="ES01L_IC" />
  <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;Bartolome, Maria Lopez, , , , , , , , , &quot;, &quot;Lopez, Bartolome María, , , , , , , , , &quot;, &quot;Lopez, Bartolome Maria, , , , , , , , , &quot;, &quot;Fernández, Monistrol José Antonio, , , , , , , , , &quot;, &quot;Fernandez, Monistrol Jose Antonio, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Larka Abellan, Maj Britt, , , , , , , , , &quot;, &quot;Abellan, Maj Britt Larka, , , , , , , , , &quot;, &quot;Larka, Abellan Maj Britt, , , , , , , , , &quot;, &quot;Munoz, Cuesta Marta, , , , , , , , , &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." />
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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="2557" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="7" />
  <dimension name="qc_sum_nitric_acid_and_nitrate_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-01T19:00:00Z" />
    <attribute name="time_coverage_end" value="2020-12-31T19:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2556DT0H0M0.000S" />
  </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>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_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_sum_nitric_acid_and_nitrate meta_sum_nitric_acid_and_nitrate" />
    <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="2021-10-07T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="ES0017R" />
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    <attribute name="ebas_station_latitude" type="double" value="37.05194" />
    <attribute name="ebas_station_longitude" type="double" value="-6.55528" />
    <attribute name="ebas_station_altitude" value="35.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sum_nitric_acid_and_nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
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    <attribute name="ebas_method_ref" value="ES01L_IC" />
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    <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/gasandparticlenitricacidandnitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gas and particle nitric acid and nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="gas and particle 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/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <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" />
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    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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    <attribute name="long_name" value="time of ebas metadata intervals" />
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