<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <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 sulphate_corrected at Rucava (LV0010R) using b-attenuation" />
  <attribute name="keywords" value="mass_concentration_of_sulphate_corrected_for_seaspray_in_pm2p5_in_air, GAW-WDCA, pm25, sulphate_corrected, mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm2p5_in_air, EMEP, LV0010R, Rucava" />
  <attribute name="id" value="HFWG-VKHY.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, GAW-WDCA" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/HFWG-VKHY" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Iveta Indriksone, sulphate_corrected - b-attenuation at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HFWG-VKHY" />
  <attribute name="summary" value="Ground based in situ observations of sulphate_corrected at Rucava (LV0010R) using b-attenuation. These measurements are gathered as a part of the following projects EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphate_corrected in pm25 (mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm2p5_in_air), sulphate_corrected in pm25 (mass_concentration_of_sulphate_corrected_for_seaspray_in_pm2p5_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="LV33L, Latvian Environment, Geology and Meteorology Centre, Monitoring  Department, Maskavas Str. 165, LV-1019, Riga, Latvia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2016-05-02T08:19:29 UTC" />
  <attribute name="date_metadata_modified" value="2016-05-02T08:19:29 UTC" />
  <attribute name="creator_name" value="Iveta Indriksone" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Marina Frolova" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (56.161944 21.173056 18.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="56.161944" />
  <attribute name="geospatial_lat_max" type="double" value="56.161944" />
  <attribute name="geospatial_lon_min" type="double" value="21.173056" />
  <attribute name="geospatial_lon_max" type="double" value="21.173056" />
  <attribute name="geospatial_vertical_min" type="double" value="18.0" />
  <attribute name="geospatial_vertical_max" type="double" value="18.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2013-12-30T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2015-01-05T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-00-06T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <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="Iveta Indriksone, sulphate_corrected - b-attenuation at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HFWG-VKHY" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="HFWG-VKHY.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/HFWG-VKHY" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/HFWG-VKHY" />
  <attribute name="ebas_file_creation" value="2023-12-08T13:00:29.009187 UTC" />
  <attribute name="ebas_export_state" value="2016-08-30T11:52:11.820000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20131230000000" />
  <attribute name="ebas_revision_date" value="20160502081929" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="53w" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="LV0010R" />
  <attribute name="ebas_platform_code" value="LV0010S" />
  <attribute name="ebas_station_name" value="Rucava" />
  <attribute name="ebas_station_latitude" value="56.161944" />
  <attribute name="ebas_station_longitude" value="21.173056" />
  <attribute name="ebas_station_altitude" value="18.0 m" />
  <attribute name="ebas_measurement_altitude" value="18.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="sulphate_corrected" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="LV33L" />
  <attribute name="ebas_instrument_type" value="b-attenuation" />
  <attribute name="ebas_instrument_name" value="LEGMC_opsis_0010_pm25" />
  <attribute name="ebas_instrument_manufacturer" value="Opsis" />
  <attribute name="ebas_instrument_model" value="SM200" />
  <attribute name="ebas_instrument_serial_number" value="1263" />
  <attribute name="ebas_method_ref" value="LV33L_LEGMC_Dionex_ICS-3000" />
  <attribute name="ebas_inlet_type" value="Selective filtration" />
  <attribute name="ebas_medium" value="Teflon" />
  <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
  <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as Detection limit of field blanks, flagged with 781" />
  <attribute name="ebas_organization" value="LV33L, &quot;Latvian Environment, Geology and Meteorology Centre&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia" />
  <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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="Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Indriksone, Iveta, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Frolova, Marina, , , , , , , , , " />
  <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;Iveta Indriksone, sulphate_corrected - b-attenuation at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HFWG-VKHY&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;HFWG-VKHY.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/HFWG-VKHY&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/HFWG-VKHY&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T13:00:29.009187 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-08-30T11:52:11.820000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20131230000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20160502081929&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;53w&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;LV0010R&quot;,&#xA;    &quot;Platform code&quot;: &quot;LV0010S&quot;,&#xA;    &quot;Station name&quot;: &quot;Rucava&quot;,&#xA;    &quot;Station latitude&quot;: &quot;56.161944&quot;,&#xA;    &quot;Station longitude&quot;: &quot;21.173056&quot;,&#xA;    &quot;Station altitude&quot;: &quot;18.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;18.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;sulphate_corrected&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm25&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;LV33L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;b-attenuation&quot;,&#xA;    &quot;Instrument name&quot;: &quot;LEGMC_opsis_0010_pm25&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Opsis&quot;,&#xA;    &quot;Instrument model&quot;: &quot;SM200&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;1263&quot;,&#xA;    &quot;Method ref&quot;: &quot;LV33L_LEGMC_Dionex_ICS-3000&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Selective filtration&quot;,&#xA;    &quot;Medium&quot;: &quot;Teflon&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Water extraction after ultrasonic treatment&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Heating to 40% RH, limit 40 deg. C&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;determined by taking 3 times standard deviation of ensemble of field blanks&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as Detection limit of field blanks, flagged with 781&quot;,&#xA;    &quot;Organization&quot;: &quot;LV33L, \&quot;Latvian Environment, Geology and Meteorology Centre\&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;EMEP, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Monitoring and Evaluation Programme, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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;Kjetil Tørseth, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Indriksone, Iveta, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Frolova, Marina, , , , , , , , , &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="53" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="sulphate_corrected_ug_S_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_corrected_ug_per_m3_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-02T12:00:00Z" />
    <attribute name="time_coverage_end" value="2015-01-01T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="604800.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </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="sulphate_corrected_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug S_per_m3_qc sulphate_corrected_ug S_per_m3_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="20160502081929" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" value="56.161944" />
    <attribute name="ebas_station_longitude" value="21.173056" />
    <attribute name="ebas_station_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="LV33L" />
    <attribute name="ebas_instrument_type" value="b-attenuation" />
    <attribute name="ebas_instrument_name" value="LEGMC_opsis_0010_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Opsis" />
    <attribute name="ebas_instrument_model" value="SM200" />
    <attribute name="ebas_instrument_serial_number" value="1263" />
    <attribute name="ebas_method_ref" value="LV33L_LEGMC_Dionex_ICS-3000" />
    <attribute name="ebas_inlet_type" value="Selective filtration" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <attribute name="ebas_detection_limit" value="0.0052 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as Detection limit of field blanks, flagged with 781" />
    <attribute name="ebas_organization" value="LV33L, &quot;Latvian Environment, Geology and Meteorology Centre&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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="Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Indriksone, Iveta, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Frolova, Marina, , , , , , , , , " />
  </variable>
  <variable name="sulphate_corrected_ug_S_per_m3_qc" shape="sulphate_corrected_ug_S_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_corrected_ug_S_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_corrected_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug_per_m3_qc sulphate_corrected_ug_per_m3_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="20160502081929" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" value="56.161944" />
    <attribute name="ebas_station_longitude" value="21.173056" />
    <attribute name="ebas_station_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="LV33L" />
    <attribute name="ebas_instrument_type" value="b-attenuation" />
    <attribute name="ebas_instrument_name" value="LEGMC_opsis_0010_pm25" />
    <attribute name="ebas_instrument_manufacturer" value="Opsis" />
    <attribute name="ebas_instrument_model" value="SM200" />
    <attribute name="ebas_instrument_serial_number" value="1263" />
    <attribute name="ebas_method_ref" value="LV33L_LEGMC_Dionex_ICS-3000" />
    <attribute name="ebas_inlet_type" value="Selective filtration" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <attribute name="ebas_detection_limit" value="0.016 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as Detection limit of field blanks, flagged with 781" />
    <attribute name="ebas_organization" value="LV33L, &quot;Latvian Environment, Geology and Meteorology Centre&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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="Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Indriksone, Iveta, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Frolova, Marina, , , , , , , , , " />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.99618. Detection limit converted from '0.0052 ug S/m3' to '0.016 ug/m3', conversion factor 2.99618." />
  </variable>
  <variable name="sulphate_corrected_ug_per_m3_qc" shape="sulphate_corrected_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_corrected_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>
