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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Inorganics in precipitation at Birkenes" />
  <attribute name="summary" value="Inorganics in precipitation at Birkenes. These measurements are gathered as a part of the following projects CAMP, EMEP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonium in precip (mass_concentration_of_ammonium_in_precipitation)', 'calcium in precip (mass_concentration_of_calcium_in_precipitation)', 'magnesium in precip (mass_concentration_of_magnesium_in_precipitation)', 'potassium in precip (mass_concentration_of_potassium_in_precipitation)']" />
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  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/CEA8-FUTY" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Hanssen, J., CAMP, EMEP, NILU, 1998, Inorganics in precipitation at Birkenes, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CEA8-FUTY" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NO01L &quot;Norwegian Institute for Air Research&quot; NILU &quot;Instituttveien 18&quot; 2007 Kjeller Norway" />
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  <attribute name="date_metadata_modified" value="1998-06-01T00:00:00Z" />
  <attribute name="creator_name" value="Jan Erik Hanssen" />
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  <attribute name="contributor_name" value="Jan Erik Hanssen" />
  <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" />
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  <attribute name="geospatial_lon_max" type="double" value="8.25" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_station_code" value="NO0001R" />
  <attribute name="ebas_platform_code" value="NO0001S" />
  <attribute name="ebas_station_name" value="Birkenes" />
  <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
  <attribute name="ebas_station_gaw_id" value="BIR" />
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  <attribute name="ebas_station_other_ids" value="201(NILUDB)" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="58.383333" />
  <attribute name="ebas_station_longitude" type="double" value="8.25" />
  <attribute name="ebas_station_altitude" value="190.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="precip" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
  <attribute name="ebas_instrument_type" value="bulk_sampler" />
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  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Hanssen, Jan Erik, , Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;" />
  <attribute name="ebas_submitter" value="&quot;Hanssen, Jan Erik, , Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
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  <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" />
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  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_ammonium_mg_N_per_l_flags" length="1" />
  <dimension name="qc_ammonium_mg_per_l_flags" length="1" />
  <dimension name="qc_calcium_flags" length="1" />
  <dimension name="qc_magnesium_flags" length="1" />
  <dimension name="qc_potassium_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="1987-01-01T19:00:00Z" />
    <attribute name="time_coverage_end" value="1987-12-31T19:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-17" />
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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" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_precipitation" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="actris_variable_preferred_term" value="precipitation ammonium mass concentration" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <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: CAMP, EMEP, NILU." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/precipitationcalciummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="precipitation calcium mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="precipitation phase" />
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    <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="meta_calcium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_magnesium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_magnesium_in_precipitation" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="mg/l" />
    <attribute name="ancillary_variables" value="qc_magnesium meta_magnesium" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="1998-06-01T00:00:00.000000Z" />
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    <attribute name="ebas_platform_code" value="NO0001S" />
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    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="58.383333" />
    <attribute name="ebas_station_longitude" type="double" value="8.25" />
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    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_instrument_name" value="bs_d_0001" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/precipitationmagnesiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="precipitation magnesium mass concentration" />
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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  <variable name="meta_magnesium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_potassium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_potassium_in_precipitation" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/precipitationpotassiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="precipitation potassium mass concentration" />
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  <variable name="qc_potassium" shape="qc_potassium_flags time" type="int">
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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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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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