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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Aerosol_absorption_coefficient at Leipzig-Eisenbahnstrasse" />
  <attribute name="summary" value="Aerosol_absorption_coefficient at Leipzig-Eisenbahnstrasse. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA, GUAN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['pressure in instrument', 'temperature in instrument', 'aerosol_absorption_coefficient in pm1']" />
  <attribute name="keywords" value="Leipzig-Eisenbahnstrasse DE0066K aerosol_absorption_coefficient pm1 ACTRIS GAW-WDCA GUAN" />
  <attribute name="id" value="VVWG-VHQK.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA, GUAN" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/VVWG-VHQK" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Birmili, W., Wiedensohler, A., ACTRIS, GAW-WDCA, GUAN, 2015, Aerosol_absorption_coefficient at Leipzig-Eisenbahnstrasse, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/VVWG-VHQK" />
  <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="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2017-01-23T07:45:23.110000Z" />
  <attribute name="date_metadata_modified" value="2015-03-12T08:39:36Z" />
  <attribute name="creator_name" value="Wolfram Birmili, Alfred Wiedensohler" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", ali@tropos.de" />
  <attribute name="creator_institution" value=", &quot;Leibniz Institute for Tropospheric Research, Experimental Aerosol and Cloud Microphysics, TROPOS&quot;" />
  <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" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="MULTIPOINT Z ((12.37 51.34 120), (12.406389 51.345833 120))" />
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  <attribute name="geospatial_lon_max" type="double" value="12.406389" />
  <attribute name="geospatial_vertical_min" type="double" value="120.0" />
  <attribute name="geospatial_vertical_max" type="double" value="120.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2009-01-09T15:00:00Z" />
  <attribute name="time_coverage_end" value="2013-11-21T09:00:00Z" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_citation" value="Birmili, W., Wiedensohler, A., ACTRIS, GAW-WDCA, GUAN, 2015, Aerosol_absorption_coefficient at Leipzig-Eisenbahnstrasse, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/VVWG-VHQK" />
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  <attribute name="ebas_version_description" value="initial revision" />
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  <attribute name="ebas_station_altitude" value="120.0 m" />
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  <attribute name="ebas_measurement_altitude" value="120.0 m" />
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  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="DE08L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="MAAP-5012_DE08L_LE-Eiba" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
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  <attribute name="ebas_inlet_description" value="PM1 at ambient humidity inlet, flow 16.67 l/min" />
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  <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with nafion dryer (3/8&quot; in diameter)" />
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  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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  <attribute name="ebas_originator" value="&quot;Birmili, Wolfram, , , , , , , , , &quot;, &quot;Wiedensohler, Alfred, ali@tropos.de, Leibniz Institute for Tropospheric Research, TROPOS, Experimental Aerosol and Cloud Microphysics, Permoserstr.15, , 04318, Leipzig, Germany&quot;" />
  <attribute name="ebas_submitter" value="&quot;Sonntag, Andre, , , , , , , , , &quot;" />
  <attribute name="ebas_comment" value="None" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
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  <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="42615" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="5" />
  <dimension name="d_Location" length="1" />
  <dimension name="qc_pressure_flags" length="1" />
  <dimension name="qc_temperature_flags" length="1" />
  <dimension name="d_Wavelength" length="1" />
  <dimension name="qc_aerosol_absorption_coefficient_amean_flags" length="1" />
  <dimension name="qc_aerosol_absorption_coefficient_prec1587_flags" length="1" />
  <dimension name="qc_aerosol_absorption_coefficient_perc8413_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2009-01-09T15:30:00Z" />
    <attribute name="time_coverage_end" value="2013-11-21T08:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3602.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1776DT17H0M0.000S" />
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  <group name="NCISOMetadata">
    <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_pressure" shape="d_Location time" type="double">
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
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    <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="2015-03-12T08:39:31.780000Z" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
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  </variable>
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" 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="ebas_standard_method" value="Single-angle_Correction=none" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
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