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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Particle_number_concentration at Barrow" />
  <attribute name="keywords" value="GAW-WDCA, particle_number_concentration, US0008R, aerosol, Barrow, NOAA-ESRL, number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
  <attribute name="id" value="EY6D-DEC9.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA, NOAA-ESRL" />
  <attribute name="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: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/EY6D-DEC9" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., 2020, Particle_number_concentration at Barrow, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EY6D-DEC9" />
  <attribute name="summary" value="Particle_number_concentration at Barrow. 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="US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A." />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-02-14T13:17:21 UTC" />
  <attribute name="date_metadata_modified" value="2020-02-14T13:17:21 UTC" />
  <attribute name="creator_name" value="Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="Patrick.Sheridan@noaa.gov, Patrick.Sheridan@noaa.gov, Patrick.Sheridan@noaa.gov, Patrick.Sheridan@noaa.gov, Patrick.Sheridan@noaa.gov, Patrick.Sheridan@noaa.gov, Patrick.Sheridan@noaa.gov" />
  <attribute name="creator_institution" value="&quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;, &quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;, &quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;, &quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;, &quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;, &quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;, &quot;National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD&quot;" />
  <attribute name="contributor_name" value="Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan, Patrick Sheridan" />
  <attribute name="contributor_role" value="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 (71.32301 -156.61147 11.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="geospatial_lon_min" type="double" value="-156.61147" />
  <attribute name="geospatial_lon_max" type="double" value="-156.61147" />
  <attribute name="geospatial_vertical_min" type="double" value="11.0" />
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  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="1995-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2003-01-01T00:00:00 UTC" />
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  <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="Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., 2020, Particle_number_concentration at Barrow, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EY6D-DEC9" />
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  <attribute name="ebas_file_creation" value="2024-02-10T23:49:05.926177 UTC" />
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  <attribute name="ebas_revision_date" value="20200214131721" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="8y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_station_code" value="US0008R" />
  <attribute name="ebas_platform_code" value="US0008S" />
  <attribute name="ebas_station_name" value="Barrow" />
  <attribute name="ebas_station_wdca_id" value="GAWAUSAKBRW" />
  <attribute name="ebas_station_gaw_id" value="BRW" />
  <attribute name="ebas_station_gaw_name" value="Barrow (AK)" />
  <attribute name="ebas_station_land_use" value="Wetland" />
  <attribute name="ebas_station_setting" value="Polar" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="4" />
  <attribute name="ebas_station_latitude" value="71.3230133057" />
  <attribute name="ebas_station_longitude" value="-156.6114654541" />
  <attribute name="ebas_station_altitude" value="11.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="71.32301" />
  <attribute name="ebas_measurement_longitude" value="-156.61147" />
  <attribute name="ebas_measurement_altitude" value="11.0 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="US06L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="TSI_3760_BRW" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3760" />
  <attribute name="ebas_method_ref" value="US06L_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="US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, &quot;Earth System Research Laboratory, Global Monitoring Division&quot;, 325 Broadway, , CO 80305-3, Boulder, U.S.A." />
  <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="Sheridan, Patrick, Patrick.Sheridan@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
  <attribute name="ebas_submitter" value="Sheridan, Patrick, Patrick.Sheridan@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
  <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: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Adjustments to STP use Sample-T=12C, Sample-P=1010hPa" />
  <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;Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., Sheridan, P., 2020, Particle_number_concentration at Barrow, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EY6D-DEC9&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;EY6D-DEC9.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/EY6D-DEC9&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/EY6D-DEC9&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-10T23:49:05.926177 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-03-14T09:49:11.017000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;19950101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200214131721&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;8y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;US0008R&quot;,&#xA;    &quot;Platform code&quot;: &quot;US0008S&quot;,&#xA;    &quot;Station name&quot;: &quot;Barrow&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAUSAKBRW&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;BRW&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Barrow (AK)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Wetland&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;4&quot;,&#xA;    &quot;Station latitude&quot;: &quot;71.3230133057&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-156.6114654541&quot;,&#xA;    &quot;Station altitude&quot;: &quot;11.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;71.32301&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-156.61147&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;11.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;particle_number_concentration&quot;,&#xA;    &quot;Unit&quot;: &quot;1/cm3&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;US06L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;cpc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;TSI_3760_BRW&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3760&quot;,&#xA;    &quot;Method ref&quot;: &quot;US06L_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;Detection limit&quot;: &quot;0.0 1/cm3&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined only by instrument counting statistics, no detection limit flag used&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;US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, \&quot;Earth System Research Laboratory, Global Monitoring Division\&quot;, 325 Broadway, , CO 80305-3, Boulder, U.S.A.&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;Sheridan, Patrick, Patrick.Sheridan@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, \&quot;Boulder, CO\&quot;, USA&quot;,&#xA;    &quot;Submitter&quot;: &quot;Sheridan, Patrick, Patrick.Sheridan@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, \&quot;Boulder, CO\&quot;, USA&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;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: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Adjustments to STP use Sample-T=12C, Sample-P=1010hPa&quot;&#xA;}" />
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  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="tbnds" length="2" />
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  <dimension name="particle_number_concentration_perc8413_qc_flags" length="5" />
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    <attribute name="cell_methods" value="time: mean" />
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    <attribute name="ebas_version" value="1" />
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    <attribute name="standard_name" value="number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
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    <attribute name="ancillary_variables" value="particle_number_concentration_prec1587_qc particle_number_concentration_prec1587_ebasmetadata" />
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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="long_name" value="time of measurement" />
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