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  <attribute name="title" value="Inorganics in air and particle phase at Melpitz" />
  <attribute name="summary" value="Inorganics in air and particle phase at Melpitz. These measurements are gathered as a part of the following projects GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['calcium in pm10 (mass_concentration_of_calcium_in_pm10_in_air)', 'chloride in pm10 (mass_concentration_of_chloride_in_pm10_in_air)', 'magnesium in pm10 (mass_concentration_of_magnesium_in_pm10_in_air)', 'nitrate in pm10 (mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm10_dry_aerosol_particles_in_air)', 'nitrate in pm10 (mass_concentration_of_nitrate_in_pm10_dry_aerosol_particles_in_air)', 'pm10_mass in pm10 (mass_concentration_of_pm10_ambient_aerosol_particles_in_air)', 'potassium in pm10 (mass_concentration_of_potassium_in_pm10_in_air)', 'sodium in pm10 (mass_concentration_of_sodium_in_pm10_in_air)', 'sulphate_total in pm10 (mass_concentration_of_sulphate_expressed_as_sulphur_in_pm10_dry_aerosol_particles_in_air)', 'sulphate_total in pm10 (mass_concentration_of_sulphate_in_pm10_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Melpitz DE0044R calcium chloride magnesium nitrate pm10_mass potassium sodium sulphate_total pm10 GAW-WDCA mass_concentration_of_calcium_in_pm10_in_air mass_concentration_of_chloride_in_pm10_in_air mass_concentration_of_magnesium_in_pm10_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm10_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_pm10_dry_aerosol_particles_in_air mass_concentration_of_pm10_ambient_aerosol_particles_in_air mass_concentration_of_potassium_in_pm10_in_air mass_concentration_of_sodium_in_pm10_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_pm10_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_pm10_dry_aerosol_particles_in_air" />
  <attribute name="id" value="RWE5-MC6Q.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/RWE5-MC6Q" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Mueller, K., GAW-WDCA, 2014, Inorganics in air and particle phase at Melpitz, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RWE5-MC6Q" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DE08L &quot;Leibniz Institute for Tropospheric Research&quot; TROPOS &quot;Permoserstrasse 15&quot; 04318 Leipzig Germany" />
  <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="Konrad Sonntag André Mueller" />
  <attribute name="creator_type" value="person" />
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  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Konrad Sonntag André Mueller" />
  <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 (12.9277 51.5255 86)" />
  <attribute name="geospatial_lat_min" type="double" value="51.5255" />
  <attribute name="geospatial_lat_max" type="double" value="51.5255" />
  <attribute name="geospatial_lon_min" type="double" value="12.9277" />
  <attribute name="geospatial_lon_max" type="double" value="12.9277" />
  <attribute name="geospatial_vertical_min" type="double" value="86.0" />
  <attribute name="geospatial_vertical_max" type="double" value="86.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2000-01-01T08:00:00Z" />
  <attribute name="time_coverage_end" value="2002-01-01T08:00:00Z" />
  <attribute name="time_coverage_duration" value="P0002-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <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="Mueller, K., GAW-WDCA, 2014, Inorganics in air and particle phase at Melpitz, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RWE5-MC6Q" />
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  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="2y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_station_code" value="DE0044R" />
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  <attribute name="ebas_station_gaw_id" value="MEL" />
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  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
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  <attribute name="ebas_station_altitude" value="86.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="DE08L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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  <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
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  <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Mueller, Konrad Sonntag André, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Mueller, Konrad Sonntag André, , , , , , , , , &quot;" />
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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="processing_level" value="processing_level_test" />
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  <dimension name="time" length="731" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="qc_calcium_flags" length="1" />
  <dimension name="qc_chloride_flags" length="1" />
  <dimension name="qc_magnesium_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_flags" length="1" />
  <dimension name="qc_pm10_mass_flags" length="1" />
  <dimension name="qc_potassium_flags" length="1" />
  <dimension name="qc_sodium_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2000-01-01T20:00:00Z" />
    <attribute name="time_coverage_end" value="2001-12-31T20:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M730DT0H0M0.000S" />
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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" />
  </variable>
  <variable name="v_calcium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_calcium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_calcium meta_calcium" />
    <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="2014-05-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
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    <attribute name="ebas_station_gaw_id" value="MEL" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlecalciummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle calcium mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
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