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  <attribute name="title" value="Particle_number_size_distribution at Schauinsland" />
  <attribute name="summary" value="Particle_number_size_distribution at Schauinsland. These measurements are gathered as a part of the following projects EMEP, EUSAAR, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Schauinsland DE0003R particle_number_size_distribution aerosol EMEP EUSAAR GAW-WDCA number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
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  <attribute name="project" value="EMEP, EUSAAR, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/RYWS-AU7G" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Weinhold, K., Birmili, W., EMEP, EUSAAR, GAW-WDCA, 2012, Particle_number_size_distribution at Schauinsland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RYWS-AU7G" />
  <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="2012-05-09T00:00:00Z" />
  <attribute name="creator_name" value="Kay Weinhold, Wolfram Birmili" />
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  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Andre Sonntag" />
  <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" />
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  <attribute name="ebas_file_creation" value="2026-05-16T04:05:25.399553Z" />
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  <attribute name="ebas_startdate" value="2007-02-13T00:00:00.000000Z" />
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  <attribute name="ebas_station_name" value="Schauinsland" />
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  <attribute name="ebas_station_longitude" type="double" value="7.908611" />
  <attribute name="ebas_station_altitude" value="1205.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="particle_number_size_distribution" />
  <attribute name="ebas_unit" value="1/cm3" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="DE08L" />
  <attribute name="ebas_instrument_type" value="smps" />
  <attribute name="ebas_instrument_name" value="SMPS_UBA_SCHAUINSLAND" />
  <attribute name="ebas_method_ref" value="DE08L_IFT_CLOSED_LOOP_SMPS" />
  <attribute name="ebas_organization" value="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&quot;, &quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
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  <attribute name="ebas_originator" value="&quot;Weinhold, Kay, , , , , , , , , &quot;, &quot;Birmili, Wolfram, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Sonntag, Andre, , , , , , , , , &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: EMEP, EUSAAR, GAW-WDCA." />
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  <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="16512" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="d_D" length="1" />
  <dimension name="qc_particle_number_size_distribution_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2007-02-13T00:30:00Z" />
    <attribute name="time_coverage_end" value="2008-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M687DT23H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <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>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="qc_particle_number_size_distribution meta_particle_number_size_distribution" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/mobilityparticlesizespectrometer" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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