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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 nitrogen_dioxide at Pallas (Sammaltunturi) (FI0096G) using chemiluminescence_photolytic" />
  <attribute name="keywords" value="nitrogen_dioxide, Pallas (Sammaltunturi), ACTRIS, air, GAW-WDCRG, AMAP, FI0096G, EMEP" />
  <attribute name="id" value="R4N4-XDD3.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, AMAP, EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/R4N4-XDD3" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Hannele Hakola, Hannele Hakola, nitrogen_dioxide - chemiluminescence_photolytic at Pallas (Sammaltunturi), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/R4N4-XDD3" />
  <attribute name="summary" value="Ground based in situ observations of nitrogen_dioxide at Pallas (Sammaltunturi) (FI0096G) using chemiluminescence_photolytic. These measurements are gathered as a part of the following projects ACTRIS, AMAP, EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nitrogen_dioxide 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="date_created" value="2021-06-09T10:39:41 UTC" />
  <attribute name="date_metadata_modified" value="2021-06-09T10:39:41 UTC" />
  <attribute name="creator_name" value="Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Hannele Hakola, Hannele Hakola" />
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  <attribute name="contributor_name" value="Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Mika Vestenius, Mika Vestenius" />
  <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, 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 (67.973333333 24.116111111 565.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="67.973333333" />
  <attribute name="geospatial_lat_max" type="double" value="67.973333333" />
  <attribute name="geospatial_lon_min" type="double" value="24.116111111" />
  <attribute name="geospatial_lon_max" type="double" value="24.116111111" />
  <attribute name="geospatial_vertical_min" type="double" value="565.0" />
  <attribute name="geospatial_vertical_max" type="double" value="565.0" />
  <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="2017-12-31T22:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0022-11-30T22:00:00" />
  <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="Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Hannele Hakola, Hannele Hakola, nitrogen_dioxide - chemiluminescence_photolytic at Pallas (Sammaltunturi), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/R4N4-XDD3" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="R4N4-XDD3.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/R4N4-XDD3" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/R4N4-XDD3" />
  <attribute name="ebas_file_creation" value="2023-12-12T22:18:56.978502 UTC" />
  <attribute name="ebas_export_state" value="2019-09-03T14:09:36.277000 UTC" />
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  <attribute name="ebas_startdate" value="19950101000000" />
  <attribute name="ebas_revision_date" value="20210609103941" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="23y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_station_code" value="FI0096G" />
  <attribute name="ebas_platform_code" value="FI0096S" />
  <attribute name="ebas_station_name" value="Pallas (Sammaltunturi)" />
  <attribute name="ebas_station_wdca_id" value="GAWAFI__PAL" />
  <attribute name="ebas_station_gaw_id" value="PAL" />
  <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="67.973333333" />
  <attribute name="ebas_station_longitude" value="24.116111111" />
  <attribute name="ebas_station_altitude" value="565.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="nitrogen_dioxide" />
  <attribute name="ebas_unit" value="ug N/m3" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="FI01L" />
  <attribute name="ebas_instrument_type" value="chemiluminescence_photolytic" />
  <attribute name="ebas_instrument_name" value="chemilum_96" />
  <attribute name="ebas_method_ref" value="FI01L_chemilum" />
  <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
  <attribute name="ebas_originator" value="Hakola, Hannele, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Vestenius, Mika, mika.vestenius@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
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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;Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Timo Salmi, Hannele Hakola, Hannele Hakola, nitrogen_dioxide - chemiluminescence_photolytic at Pallas (Sammaltunturi), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/R4N4-XDD3&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;R4N4-XDD3.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/R4N4-XDD3&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/R4N4-XDD3&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-12T22:18:56.978502 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-09-03T14:09:36.277000 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;20210609103941&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Period code&quot;: &quot;23y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;FI0096G&quot;,&#xA;    &quot;Platform code&quot;: &quot;FI0096S&quot;,&#xA;    &quot;Station name&quot;: &quot;Pallas (Sammaltunturi)&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAFI__PAL&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;PAL&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;67.973333333&quot;,&#xA;    &quot;Station longitude&quot;: &quot;24.116111111&quot;,&#xA;    &quot;Station altitude&quot;: &quot;565.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;nitrogen_dioxide&quot;,&#xA;    &quot;Unit&quot;: &quot;ug N/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FI01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;chemiluminescence_photolytic&quot;,&#xA;    &quot;Instrument name&quot;: &quot;chemilum_96&quot;,&#xA;    &quot;Method ref&quot;: &quot;FI01L_chemilum&quot;,&#xA;    &quot;Organization&quot;: &quot;FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Originator&quot;: &quot;Hakola, Hannele, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Vestenius, Mika, mika.vestenius@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland&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="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="184021" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="17" />
  <dimension name="nitrogen_dioxide_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="1995-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2017-12-31T21:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3944.0" />
    <attribute name="time_coverage_duration" value="P0Y0M8400DT21H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
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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" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrogen_dioxide_qc nitrogen_dioxide_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_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_latitude" value="67.973333333" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="calendar" value="gregorian" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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