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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of high_vol_sampler at Alert (CA0420G)" />
  <attribute name="keywords" value="chloride, CA0420G, mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in _air, mass_concentration_of_sodium_in_dry_aerosol_particles_in _air, sulphate_total, acidity, nitrate, mass_concentration_of_potassium_in_dry_aerosol_particles_in _air, aerosol, mass_concentration_of_ammonium_in_dry_aerosol_particles_in _air, sodium, mass_concentration_of_bromide_in_dry_aerosol_particles_in _air, mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air, Alert, mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in _air, mass_concentration_of_chloride_in_dry_aerosol_particles_in _air, potassium, bromide, ammonium, GAW-WDCA, mass_concentration_of_nitrate_in_dry_aerosol_particles_in _air" />
  <attribute name="id" value="KUK8-55CU.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/KUK8-55CU" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, acidity, ammonium, bromide, chloride, nitrate, potassium, sodium, sulphate_total - high_vol_sampler at Alert, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KUK8-55CU" />
  <attribute name="summary" value="Ground based in situ observations of high_vol_sampler at Alert (CA0420G). 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: acidity in aerosol, ammonium in aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in _air), ammonium in aerosol (mass_concentration_of_ammonium_in_dry_aerosol_particles_in _air), bromide in aerosol (mass_concentration_of_bromide_in_dry_aerosol_particles_in _air), chloride in aerosol (mass_concentration_of_chloride_in_dry_aerosol_particles_in _air), nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in _air), nitrate in aerosol (mass_concentration_of_nitrate_in_dry_aerosol_particles_in _air), potassium in aerosol (mass_concentration_of_potassium_in_dry_aerosol_particles_in _air), sodium in aerosol (mass_concentration_of_sodium_in_dry_aerosol_particles_in _air), sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, M3H 5T4, Downsview, Ontario, Canada" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2018-04-26T16:12:17 UTC" />
  <attribute name="date_metadata_modified" value="2018-04-26T16:12:17 UTC" />
  <attribute name="creator_name" value="Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca, sangeeta.sharma@canada.ca" />
  <attribute name="creator_institution" value="&quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;, &quot;Climate Chemistry Measurements Research, Environment Canada, EC&quot;" />
  <attribute name="contributor_name" value="Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter" />
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  <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" />
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  <attribute name="publisher_url" value="https://www.nilu.no/" />
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  <attribute name="ebas_citation" value="Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, acidity, ammonium, bromide, chloride, nitrate, potassium, sodium, sulphate_total - high_vol_sampler at Alert, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KUK8-55CU" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_file_creation" value="2023-12-13T08:14:15.572667 UTC" />
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  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="12y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_station_code" value="CA0420G" />
  <attribute name="ebas_platform_code" value="CA0420S" />
  <attribute name="ebas_station_name" value="Alert" />
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  <attribute name="ebas_station_gaw_id" value="ALT" />
  <attribute name="ebas_station_gaw_name" value="Alert" />
  <attribute name="ebas_station_state_province" value="NU" />
  <attribute name="ebas_station_land_use" value="Military reservation" />
  <attribute name="ebas_station_setting" value="Polar" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="4" />
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  <attribute name="ebas_station_altitude" value="210.0 m" />
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  <attribute name="ebas_measurement_height" value="10.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="CA09L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="305-2000" />
  <attribute name="ebas_instrument_manufacturer" value="Sierra Instruments" />
  <attribute name="ebas_instrument_model" value="Basic hi vol model 305-2000" />
  <attribute name="ebas_method_ref" value="CA09L_IC_aerosol" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_medium" value="Cellulose" />
  <attribute name="ebas_coating_solution" value="None" />
  <attribute name="ebas_sample_preparation" value="Water extraction" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <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/negative possible" />
  <attribute name="ebas_organization" value="CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, , M3H 5T4, &quot;Downsview, Ontario&quot;, Canada" />
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  <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="Sharma, Sangeeta, sangeeta.sharma@canada.ca, &quot;Climate Chemistry Measurements Research, Environment Canada&quot;, EC, , 4905 Dufferin Street, , M3H 5T4, &quot;Downsview, Ontario&quot;, Canada" />
  <attribute name="ebas_submitter" value="Sharma, Sangeeta, sangeeta.sharma@canada.ca, &quot;Climate Chemistry Measurements Research, Environment Canada&quot;, EC, , 4905 Dufferin Street, , M3H 5T4, &quot;Downsview, Ontario&quot;, Canada" />
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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;Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, Sangeeta Sharma, acidity, ammonium, bromide, chloride, nitrate, potassium, sodium, sulphate_total - high_vol_sampler at Alert, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KUK8-55CU&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;KUK8-55CU.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/KUK8-55CU&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/KUK8-55CU&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-13T08:14:15.572667 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2018-05-09T09:08:08.780000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;19800714113500&quot;,&#xA;    &quot;Revision date&quot;: &quot;20180426161217&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;12y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Station code&quot;: &quot;CA0420G&quot;,&#xA;    &quot;Platform code&quot;: &quot;CA0420S&quot;,&#xA;    &quot;Station name&quot;: &quot;Alert&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWACANUALT&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;ALT&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Alert&quot;,&#xA;    &quot;Station state/province&quot;: &quot;NU&quot;,&#xA;    &quot;Station land use&quot;: &quot;Military reservation&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;82.4991455078&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-62.3415260315&quot;,&#xA;    &quot;Station altitude&quot;: &quot;210.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;195.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CA09L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;305-2000&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Sierra Instruments&quot;,&#xA;    &quot;Instrument model&quot;: &quot;Basic hi vol model 305-2000&quot;,&#xA;    &quot;Method ref&quot;: &quot;CA09L_IC_aerosol&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Medium&quot;: &quot;Cellulose&quot;,&#xA;    &quot;Coating/Solution&quot;: &quot;None&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Water extraction&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&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/negative possible&quot;,&#xA;    &quot;Organization&quot;: &quot;CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, , M3H 5T4, \&quot;Downsview, Ontario\&quot;, Canada&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;Sharma, Sangeeta, sangeeta.sharma@canada.ca, \&quot;Climate Chemistry Measurements Research, Environment Canada\&quot;, EC, , 4905 Dufferin Street, , M3H 5T4, \&quot;Downsview, Ontario\&quot;, Canada&quot;,&#xA;    &quot;Submitter&quot;: &quot;Sharma, Sangeeta, sangeeta.sharma@canada.ca, \&quot;Climate Chemistry Measurements Research, Environment Canada\&quot;, EC, , 4905 Dufferin Street, , M3H 5T4, \&quot;Downsview, Ontario\&quot;, Canada&quot;&#xA;}" />
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  <dimension name="chloride_qc_flags" length="2" />
  <dimension name="nitrate_ug_N_per_m3_qc_flags" length="2" />
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  <variable name="sulphate_total_ug_per_m3_qc" shape="sulphate_total_ug_per_m3_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="sulphate_total_ug_per_m3_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>
