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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 pm25_mass at Pallas (Matorova) (FI0036R) using beta_gauge_particulate_sampler" />
  <attribute name="keywords" value="FI0036R, mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air, pm25_mass, pm25, Pallas (Matorova), AMAP, EMEP" />
  <attribute name="id" value="YVYD-5GUR.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="AMAP, EMEP" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/YVYD-5GUR" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Heidi Hellén, pm25_mass - beta_gauge_particulate_sampler at Pallas (Matorova), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YVYD-5GUR" />
  <attribute name="summary" value="Ground based in situ observations of pm25_mass at Pallas (Matorova) (FI0036R) using beta_gauge_particulate_sampler. These measurements are gathered as a part of the following projects AMAP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: pm25_mass in pm25 (mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-05-05T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2020-05-05T00:00:00 UTC" />
  <attribute name="creator_name" value="Heidi Hellén" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="heidi.hellen@fmi.fi" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Kaisa Korpi" />
  <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 (68.0 24.237222222 340.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="68.0" />
  <attribute name="geospatial_lat_max" type="double" value="68.0" />
  <attribute name="geospatial_lon_min" type="double" value="24.237222222" />
  <attribute name="geospatial_lon_max" type="double" value="24.237222222" />
  <attribute name="geospatial_vertical_min" type="double" value="340.0" />
  <attribute name="geospatial_vertical_max" type="double" value="340.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2017-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2018-12-31T23:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-11-30T23:00:00" />
  <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="Heidi Hellén, pm25_mass - beta_gauge_particulate_sampler at Pallas (Matorova), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YVYD-5GUR" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="YVYD-5GUR.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/YVYD-5GUR" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/YVYD-5GUR" />
  <attribute name="ebas_file_creation" value="2023-12-08T15:24:47.517449 UTC" />
  <attribute name="ebas_export_state" value="2020-05-06T09:07:33.930000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20170101000000" />
  <attribute name="ebas_revision_date" value="20200505000000" />
  <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="2y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_station_code" value="FI0036R" />
  <attribute name="ebas_platform_code" value="FI0036S" />
  <attribute name="ebas_station_name" value="Pallas (Matorova)" />
  <attribute name="ebas_station_wdca_id" value="GAWAFI__MAT" />
  <attribute name="ebas_station_gaw_id" value="MAT" />
  <attribute name="ebas_station_gaw_name" value="Pallas" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="68.0" />
  <attribute name="ebas_station_longitude" value="24.237222222" />
  <attribute name="ebas_station_altitude" value="340.0 m" />
  <attribute name="ebas_measurement_height" value="5.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="pm25_mass" />
  <attribute name="ebas_unit" value="ug/m3" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="FI01L" />
  <attribute name="ebas_instrument_type" value="beta_gauge_particulate_sampler" />
  <attribute name="ebas_instrument_name" value="FMI_5030SHARP_36" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
  <attribute name="ebas_instrument_model" value="5030SHARP" />
  <attribute name="ebas_method_ref" value="FI01L_beta_ray_att" />
  <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
  <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
  <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
  <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." />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Hellén, Heidi, heidi.hellen@fmi.fi, , , , , , , , " />
  <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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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;Heidi Hellén, pm25_mass - beta_gauge_particulate_sampler at Pallas (Matorova), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YVYD-5GUR&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;YVYD-5GUR.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/YVYD-5GUR&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/YVYD-5GUR&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T15:24:47.517449 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-05-06T09:07:33.930000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20170101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200505000000&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;2y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;FI0036R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FI0036S&quot;,&#xA;    &quot;Station name&quot;: &quot;Pallas (Matorova)&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAFI__MAT&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;MAT&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Pallas&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;68.0&quot;,&#xA;    &quot;Station longitude&quot;: &quot;24.237222222&quot;,&#xA;    &quot;Station altitude&quot;: &quot;340.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;5.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;pm25_mass&quot;,&#xA;    &quot;Unit&quot;: &quot;ug/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm25&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FI01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;beta_gauge_particulate_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;FMI_5030SHARP_36&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Thermo&quot;,&#xA;    &quot;Instrument model&quot;: &quot;5030SHARP&quot;,&#xA;    &quot;Method ref&quot;: &quot;FI01L_beta_ray_att&quot;,&#xA;    &quot;Organization&quot;: &quot;FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;AMAP, EMEP&quot;,&#xA;    &quot;Framework name&quot;: &quot;, European Monitoring and Evaluation Programme&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.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Wenche Aas, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;waa@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Hellén, Heidi, heidi.hellen@fmi.fi, , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="17519" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="pm25_mass_qc_flags" length="1" />
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    <attribute name="time_coverage_start" value="2017-01-01T00:30:00Z" />
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    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
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  </group>
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    <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>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air" />
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    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="pm25_mass_qc pm25_mass_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_station_gaw_id" value="MAT" />
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    <attribute name="ebas_component" value="pm25_mass" />
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    <attribute name="ebas_instrument_model" value="5030SHARP" />
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    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
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    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
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