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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 Steamboat Springs, Colorado (Storm Peak Laboratory) (US9050R)" />
  <attribute name="keywords" value="NOAA-ESRL, particle_number_concentration, aerosol, GAW-WDCA, number_concentration_of_particles_in_dry_aerosol_particles_in_air, Steamboat Springs, Colorado (Storm Peak Laboratory), US9050R" />
  <attribute name="id" value="AXMG-HWJJ.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA, NOAA-ESRL" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/AXMG-HWJJ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, particle_number_concentration - cpc at Steamboat Springs, Colorado (Storm Peak Laboratory), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/AXMG-HWJJ" />
  <attribute name="summary" value="Ground based in situ observations of cpc at Steamboat Springs, Colorado (Storm Peak Laboratory) (US9050R). These measurements are gathered as a part of the following projects GAW-WDCA, NOAA-ESRL 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="US09L, Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory, DRI-DAS-SPL, P.O. Box 882530, , 80488, Steamboat Springs CO, USA" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-01-28T10:16:09 UTC" />
  <attribute name="date_metadata_modified" value="2020-01-28T10:16:09 UTC" />
  <attribute name="creator_name" value="Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar" />
  <attribute name="creator_type" value="person" />
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  <attribute name="contributor_name" value="Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, 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 (40.455 -106.744 3220.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="40.455" />
  <attribute name="geospatial_lat_max" type="double" value="40.455" />
  <attribute name="geospatial_lon_min" type="double" value="-106.744" />
  <attribute name="geospatial_lon_max" type="double" value="-106.744" />
  <attribute name="geospatial_vertical_min" type="double" value="3220.0" />
  <attribute name="geospatial_vertical_max" type="double" value="3220.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2011-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0006-00-00T00:00:00" />
  <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="Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, particle_number_concentration - cpc at Steamboat Springs, Colorado (Storm Peak Laboratory), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/AXMG-HWJJ" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="AXMG-HWJJ.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/AXMG-HWJJ" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/AXMG-HWJJ" />
  <attribute name="ebas_file_creation" value="2023-12-12T10:02:29.926891 UTC" />
  <attribute name="ebas_export_state" value="2018-08-03T07:13:42.787000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20110101000000" />
  <attribute name="ebas_revision_date" value="20200128101609" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_station_code" value="US9050R" />
  <attribute name="ebas_platform_code" value="US9050S" />
  <attribute name="ebas_station_name" value="Steamboat Springs, Colorado (Storm Peak Laboratory)" />
  <attribute name="ebas_station_wdca_id" value="GAWAUSCOSPL" />
  <attribute name="ebas_station_gaw_id" value="SPL" />
  <attribute name="ebas_station_gaw_name" value="Steamboat Springs (CO)" />
  <attribute name="ebas_station_state_province" value="CO" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Mountain" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="4" />
  <attribute name="ebas_station_latitude" value="40.445" />
  <attribute name="ebas_station_longitude" value="-106.74" />
  <attribute name="ebas_station_altitude" value="3220.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="40.455" />
  <attribute name="ebas_measurement_longitude" value="-106.744" />
  <attribute name="ebas_measurement_altitude" value="3220.0 m" />
  <attribute name="ebas_measurement_height" value="10.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="US09L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="TSI_3010_SPL" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3010" />
  <attribute name="ebas_method_ref" value="US09L_cpc_ref" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
  <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="US09L, &quot;Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory&quot;, DRI-DAS-SPL, , &quot;P.O. Box 882530, , 80488, Steamboat Springs CO, USA&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
  <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, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Hallar, Gannet, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Hallar, Gannet, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Adjustments to STP use Sample-T=12C, Sample-P=690hPa" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <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;Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, Gannet Hallar, particle_number_concentration - cpc at Steamboat Springs, Colorado (Storm Peak Laboratory), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/AXMG-HWJJ&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;AXMG-HWJJ.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/AXMG-HWJJ&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/AXMG-HWJJ&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-12T10:02:29.926891 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2018-08-03T07:13:42.787000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20110101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200128101609&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;6y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;US9050R&quot;,&#xA;    &quot;Platform code&quot;: &quot;US9050S&quot;,&#xA;    &quot;Station name&quot;: &quot;Steamboat Springs, Colorado (Storm Peak Laboratory)&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAUSCOSPL&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;SPL&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Steamboat Springs (CO)&quot;,&#xA;    &quot;Station state/province&quot;: &quot;CO&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;4&quot;,&#xA;    &quot;Station latitude&quot;: &quot;40.445&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-106.74&quot;,&#xA;    &quot;Station altitude&quot;: &quot;3220.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;40.455&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-106.744&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;3220.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;US09L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;cpc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;TSI_3010_SPL&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3010&quot;,&#xA;    &quot;Method ref&quot;: &quot;US09L_cpc_ref&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Heating to 40% RH, limit 40 deg. C&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;US09L, \&quot;Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory\&quot;, DRI-DAS-SPL, , \&quot;P.O. Box 882530, , 80488, Steamboat Springs CO, USA\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCA, NOAA-ESRL&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, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Hallar, Gannet, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Hallar, Gannet, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Adjustments to STP use Sample-T=12C, Sample-P=690hPa&quot;&#xA;}" />
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  <attribute name="history" value="None" />
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  <dimension name="time" length="48648" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="8" />
  <dimension name="pressure_qc_flags" length="5" />
  <dimension name="temperature_qc_flags" length="5" />
  <dimension name="particle_number_concentration_amean_qc_flags" length="5" />
  <dimension name="particle_number_concentration_prec1587_qc_flags" length="5" />
  <dimension name="particle_number_concentration_perc8413_qc_flags" length="5" />
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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" />
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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" />
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    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_method_ref" value="US09L_cpc_ref" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <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="US09L, &quot;Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory&quot;, DRI-DAS-SPL, , &quot;P.O. Box 882530, , 80488, Steamboat Springs CO, USA&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
    <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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Adjustments to STP use Sample-T=12C, Sample-P=690hPa" />
  </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="20200128101609" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_station_code" value="US9050R" />
    <attribute name="ebas_platform_code" value="US9050S" />
    <attribute name="ebas_station_name" value="Steamboat Springs, Colorado (Storm Peak Laboratory)" />
    <attribute name="ebas_station_wdca_id" value="GAWAUSCOSPL" />
    <attribute name="ebas_station_gaw_id" value="SPL" />
    <attribute name="ebas_station_gaw_name" value="Steamboat Springs (CO)" />
    <attribute name="ebas_station_state_province" value="CO" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="4" />
    <attribute name="ebas_station_latitude" value="40.445" />
    <attribute name="ebas_station_longitude" value="-106.74" />
    <attribute name="ebas_station_altitude" value="3220.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="40.455" />
    <attribute name="ebas_measurement_longitude" value="-106.744" />
    <attribute name="ebas_measurement_altitude" value="3220.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="US09L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3010_SPL" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_method_ref" value="US09L_cpc_ref" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <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 only by instrument counting statistics, 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="US09L, &quot;Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory&quot;, DRI-DAS-SPL, , &quot;P.O. Box 882530, , 80488, Steamboat Springs CO, USA&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
    <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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Adjustments to STP use Sample-T=12C, Sample-P=690hPa" />
  </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="20200128101609" />
    <attribute name="ebas_version" value="1" />
    <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_station_code" value="US9050R" />
    <attribute name="ebas_platform_code" value="US9050S" />
    <attribute name="ebas_station_name" value="Steamboat Springs, Colorado (Storm Peak Laboratory)" />
    <attribute name="ebas_station_wdca_id" value="GAWAUSCOSPL" />
    <attribute name="ebas_station_gaw_id" value="SPL" />
    <attribute name="ebas_station_gaw_name" value="Steamboat Springs (CO)" />
    <attribute name="ebas_station_state_province" value="CO" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="4" />
    <attribute name="ebas_station_latitude" value="40.445" />
    <attribute name="ebas_station_longitude" value="-106.74" />
    <attribute name="ebas_station_altitude" value="3220.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="40.455" />
    <attribute name="ebas_measurement_longitude" value="-106.744" />
    <attribute name="ebas_measurement_altitude" value="3220.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="US09L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3010_SPL" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_method_ref" value="US09L_cpc_ref" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <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 only by instrument counting statistics, 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="US09L, &quot;Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory&quot;, DRI-DAS-SPL, , &quot;P.O. Box 882530, , 80488, Steamboat Springs CO, USA&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
    <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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Adjustments to STP use Sample-T=12C, Sample-P=690hPa" />
  </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="20200128101609" />
    <attribute name="ebas_version" value="1" />
    <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_station_code" value="US9050R" />
    <attribute name="ebas_platform_code" value="US9050S" />
    <attribute name="ebas_station_name" value="Steamboat Springs, Colorado (Storm Peak Laboratory)" />
    <attribute name="ebas_station_wdca_id" value="GAWAUSCOSPL" />
    <attribute name="ebas_station_gaw_id" value="SPL" />
    <attribute name="ebas_station_gaw_name" value="Steamboat Springs (CO)" />
    <attribute name="ebas_station_state_province" value="CO" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="4" />
    <attribute name="ebas_station_latitude" value="40.445" />
    <attribute name="ebas_station_longitude" value="-106.74" />
    <attribute name="ebas_station_altitude" value="3220.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="40.455" />
    <attribute name="ebas_measurement_longitude" value="-106.744" />
    <attribute name="ebas_measurement_altitude" value="3220.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="US09L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3010_SPL" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3010" />
    <attribute name="ebas_method_ref" value="US09L_cpc_ref" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <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 only by instrument counting statistics, 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="US09L, &quot;Desert Research Institute, DRI-DAS-SPL, Division of Atmospheric Sciences / Storm Peak Laboratory&quot;, DRI-DAS-SPL, , &quot;P.O. Box 882530, , 80488, Steamboat Springs CO, USA&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
    <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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Adjustments to STP use Sample-T=12C, Sample-P=690hPa" />
  </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>
