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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of cpc at Neumayer (DE0060G)" />
  <attribute name="keywords" value="particle_number_concentration, aerosol, GAW-WDCA, Neumayer, number_concentration_of_particles_in_dry_aerosol_particles_in_air, DE0060G" />
  <attribute name="id" value="QEK3-BXXE.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/QEK3-BXXE" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Rolf Weller, Rolf Weller, Rolf Weller, Rolf Weller, particle_number_concentration - cpc at Neumayer, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QEK3-BXXE" />
  <attribute name="summary" value="Ground based in situ observations of cpc at Neumayer (DE0060G). 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: particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air), particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air), particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DE15L, Alfred-Wegener Institut für Polar- und Meeresforschung, AWI, Atmospheric Circulations, Am Handelshafen 12, Building C-100a, D-27570, Bremerhaven, Germany" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2021-09-02T18:07:07 UTC" />
  <attribute name="date_metadata_modified" value="2021-09-02T18:07:07 UTC" />
  <attribute name="creator_name" value="Rolf Weller, Rolf Weller, Rolf Weller, Rolf Weller" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , , " />
  <attribute name="creator_institution" value=", , , " />
  <attribute name="contributor_name" value="Rolf Weller, Rolf Weller, Rolf Weller, Rolf Weller" />
  <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 (-70.666 -8.266 42.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="-70.666" />
  <attribute name="geospatial_lat_max" type="double" value="-70.666" />
  <attribute name="geospatial_lon_min" type="double" value="-8.266" />
  <attribute name="geospatial_lon_max" type="double" value="-8.266" />
  <attribute name="geospatial_vertical_min" type="double" value="42.0" />
  <attribute name="geospatial_vertical_max" type="double" value="42.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2003-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2008-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0005-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <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="Rolf Weller, Rolf Weller, Rolf Weller, Rolf Weller, particle_number_concentration - cpc at Neumayer, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QEK3-BXXE" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="QEK3-BXXE.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/QEK3-BXXE" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/QEK3-BXXE" />
  <attribute name="ebas_file_creation" value="2023-12-11T15:58:32.764760 UTC" />
  <attribute name="ebas_export_state" value="2021-09-02T18:07:07.250000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20030101000000" />
  <attribute name="ebas_revision_date" value="20210902180707" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="5y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="150s" />
  <attribute name="ebas_station_code" value="DE0060G" />
  <attribute name="ebas_platform_code" value="DE0060S" />
  <attribute name="ebas_station_name" value="Neumayer" />
  <attribute name="ebas_station_gaw_id" value="NMY" />
  <attribute name="ebas_station_gaw_name" value="Neumayer" />
  <attribute name="ebas_station_land_use" value="Snowfield" />
  <attribute name="ebas_station_setting" value="Polar" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="7" />
  <attribute name="ebas_station_latitude" value="-70.666" />
  <attribute name="ebas_station_longitude" value="-8.266" />
  <attribute name="ebas_station_altitude" value="42.0 m" />
  <attribute name="ebas_measurement_height" value="7.5 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="DE15L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="CPC_3022A_NMY" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3022A" />
  <attribute name="ebas_method_ref" value="DE15L_cpc" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="PM10, flow 15000 l/min" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="passive,sample heated from atmospheric to lab temperature" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="DE15L, Alfred-Wegener Institut für Polar- und Meeresforschung, AWI, Atmospheric Circulations, Am Handelshafen 12, Building C-100a, D-27570, Bremerhaven, Germany" />
  <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
  <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="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." />
  <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="Weller, Rolf, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Weller, Rolf, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
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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="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Rolf Weller, Rolf Weller, Rolf Weller, Rolf Weller, particle_number_concentration - cpc at Neumayer, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QEK3-BXXE&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;QEK3-BXXE.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/QEK3-BXXE&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/QEK3-BXXE&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T15:58:32.764760 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2021-09-02T18:07:07.250000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20030101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20210902180707&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;5y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;150s&quot;,&#xA;    &quot;Station code&quot;: &quot;DE0060G&quot;,&#xA;    &quot;Platform code&quot;: &quot;DE0060S&quot;,&#xA;    &quot;Station name&quot;: &quot;Neumayer&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;NMY&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Neumayer&quot;,&#xA;    &quot;Station land use&quot;: &quot;Snowfield&quot;,&#xA;    &quot;Station setting&quot;: &quot;Polar&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;7&quot;,&#xA;    &quot;Station latitude&quot;: &quot;-70.666&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-8.266&quot;,&#xA;    &quot;Station altitude&quot;: &quot;42.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;7.5 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;DE15L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;cpc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;CPC_3022A_NMY&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3022A&quot;,&#xA;    &quot;Method ref&quot;: &quot;DE15L_cpc&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10, flow 15000 l/min&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;passive,sample heated from atmospheric to lab temperature&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;DE15L, Alfred-Wegener Institut für Polar- und Meeresforschung, AWI, Atmospheric Circulations, Am Handelshafen 12, Building C-100a, D-27570, Bremerhaven, Germany&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&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;,&#xA;    &quot;Framework contact name&quot;: &quot;Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Weller, Rolf, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Weller, Rolf, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied&quot;&#xA;}" />
  <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="35064" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_concentration_amean_qc_flags" length="2" />
  <dimension name="particle_number_concentration_prec1587_qc_flags" length="2" />
  <dimension name="particle_number_concentration_perc8413_qc_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2003-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2007-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="4499.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1825DT23H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
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  </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>
  <variable name="pressure" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="air_pressure" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="pressure_qc pressure_ebasmetadata" />
    <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="20210902180707" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="150s" />
    <attribute name="ebas_station_code" value="DE0060G" />
    <attribute name="ebas_platform_code" value="DE0060S" />
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    <attribute name="ebas_station_gaw_id" value="NMY" />
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    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" value="-70.666" />
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    <attribute name="ebas_station_altitude" value="42.0 m" />
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    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DE15L" />
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    <attribute name="ebas_inlet_description" value="PM10, flow 15000 l/min" />
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    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
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    <attribute name="units" value="1" />
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  </variable>
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_wmo_region" value="7" />
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    <attribute name="ebas_station_longitude" value="-8.266" />
    <attribute name="ebas_station_altitude" value="42.0 m" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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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_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </variable>
  <variable name="temperature_qc" shape="temperature_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_particles_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="particle_number_concentration_amean_qc particle_number_concentration_amean_ebasmetadata" />
    <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="20210902180707" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="150s" />
    <attribute name="ebas_station_code" value="DE0060G" />
    <attribute name="ebas_platform_code" value="DE0060S" />
    <attribute name="ebas_station_name" value="Neumayer" />
    <attribute name="ebas_station_gaw_id" value="NMY" />
    <attribute name="ebas_station_gaw_name" value="Neumayer" />
    <attribute name="ebas_station_land_use" value="Snowfield" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="-70.666" />
    <attribute name="ebas_station_longitude" value="-8.266" />
    <attribute name="ebas_station_altitude" value="42.0 m" />
    <attribute name="ebas_measurement_height" value="7.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DE15L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="CPC_3022A_NMY" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3022A" />
    <attribute name="ebas_method_ref" value="DE15L_cpc" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10, flow 15000 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive,sample heated from atmospheric to lab temperature" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise characteristics, no detection limit flag used" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="DE15L, Alfred-Wegener Institut für Polar- und Meeresforschung, AWI, Atmospheric Circulations, Am Handelshafen 12, Building C-100a, D-27570, Bremerhaven, Germany" />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </variable>
  <variable name="particle_number_concentration_amean_qc" shape="particle_number_concentration_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="particle_number_concentration_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_prec1587" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_particles_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="particle_number_concentration_prec1587_qc particle_number_concentration_prec1587_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210902180707" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="150s" />
    <attribute name="ebas_station_code" value="DE0060G" />
    <attribute name="ebas_platform_code" value="DE0060S" />
    <attribute name="ebas_station_name" value="Neumayer" />
    <attribute name="ebas_station_gaw_id" value="NMY" />
    <attribute name="ebas_station_gaw_name" value="Neumayer" />
    <attribute name="ebas_station_land_use" value="Snowfield" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="-70.666" />
    <attribute name="ebas_station_longitude" value="-8.266" />
    <attribute name="ebas_station_altitude" value="42.0 m" />
    <attribute name="ebas_measurement_height" value="7.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DE15L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="CPC_3022A_NMY" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3022A" />
    <attribute name="ebas_method_ref" value="DE15L_cpc" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10, flow 15000 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive,sample heated from atmospheric to lab temperature" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise characteristics, no detection limit flag used" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="DE15L, Alfred-Wegener Institut für Polar- und Meeresforschung, AWI, Atmospheric Circulations, Am Handelshafen 12, Building C-100a, D-27570, Bremerhaven, Germany" />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </variable>
  <variable name="particle_number_concentration_prec1587_qc" shape="particle_number_concentration_prec1587_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="particle_number_concentration_prec1587_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_particles_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="particle_number_concentration_perc8413_qc particle_number_concentration_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20210902180707" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="150s" />
    <attribute name="ebas_station_code" value="DE0060G" />
    <attribute name="ebas_platform_code" value="DE0060S" />
    <attribute name="ebas_station_name" value="Neumayer" />
    <attribute name="ebas_station_gaw_id" value="NMY" />
    <attribute name="ebas_station_gaw_name" value="Neumayer" />
    <attribute name="ebas_station_land_use" value="Snowfield" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_latitude" value="-70.666" />
    <attribute name="ebas_station_longitude" value="-8.266" />
    <attribute name="ebas_station_altitude" value="42.0 m" />
    <attribute name="ebas_measurement_height" value="7.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DE15L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="CPC_3022A_NMY" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3022A" />
    <attribute name="ebas_method_ref" value="DE15L_cpc" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10, flow 15000 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive,sample heated from atmospheric to lab temperature" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise characteristics, no detection limit flag used" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="DE15L, Alfred-Wegener Institut für Polar- und Meeresforschung, AWI, Atmospheric Circulations, Am Handelshafen 12, Building C-100a, D-27570, Bremerhaven, Germany" />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </variable>
  <variable name="particle_number_concentration_perc8413_qc" shape="particle_number_concentration_perc8413_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="particle_number_concentration_perc8413_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
