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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="pH at Irafoss" />
  <attribute name="summary" value="pH at Irafoss. These measurements are gathered as a part of the following projects AMAP, CAMP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['pH in precip (mass_concentration_of_pH_in_precipitation)']" />
  <attribute name="keywords" value="Irafoss IS0002R pH precip AMAP CAMP EMEP mass_concentration_of_pH_in_precipitation" />
  <attribute name="id" value="GMMQ-UNZF.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="AMAP, CAMP, EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/GMMQ-UNZF" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Sigurdsson, A., AMAP, CAMP, EMEP, 2014, pH at Irafoss, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/GMMQ-UNZF" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IS02L &quot;Vedurstofa Islands&quot; &quot;Bustadavegi 9&quot; 150 Reykjavik Iceland" />
  <attribute name="date_created" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="date_metadata_modified" value="2014-05-01T00:00:00Z" />
  <attribute name="creator_name" value="Arni Sigurdsson" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="arnisig@vedur.is" />
  <attribute name="creator_institution" value="Vedurstofa Islands" />
  <attribute name="contributor_name" value="Arni Sigurdsson" />
  <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 (-21.016667 64.083333 66)" />
  <attribute name="geospatial_lat_min" type="double" value="64.083333" />
  <attribute name="geospatial_lat_max" type="double" value="64.083333" />
  <attribute name="geospatial_lon_min" type="double" value="-21.016667" />
  <attribute name="geospatial_lon_max" type="double" value="-21.016667" />
  <attribute name="geospatial_vertical_min" type="double" value="66.0" />
  <attribute name="geospatial_vertical_max" type="double" value="66.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="1980-01-01T09:00:00Z" />
  <attribute name="time_coverage_end" value="2006-01-01T09:00:00Z" />
  <attribute name="time_coverage_duration" value="P0026-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <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="Sigurdsson, A., AMAP, CAMP, EMEP, 2014, pH at Irafoss, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/GMMQ-UNZF" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="GMMQ-UNZF.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/GMMQ-UNZF" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/GMMQ-UNZF" />
  <attribute name="ebas_file_creation" value="2026-05-17T01:10:05.910646Z" />
  <attribute name="ebas_export_state" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="1980-01-01T09:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="26y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_station_code" value="IS0002R" />
  <attribute name="ebas_platform_code" value="IS0002S" />
  <attribute name="ebas_station_name" value="Irafoss" />
  <attribute name="ebas_station_latitude" type="double" value="64.083333" />
  <attribute name="ebas_station_longitude" type="double" value="-21.016667" />
  <attribute name="ebas_station_altitude" value="66.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="pH" />
  <attribute name="ebas_unit" value="pH units" />
  <attribute name="ebas_matrix" value="precip" />
  <attribute name="ebas_laboratory_code" value="IS02L" />
  <attribute name="ebas_instrument_type" value="bulk_sampler" />
  <attribute name="ebas_instrument_name" value="bs_2" />
  <attribute name="ebas_method_ref" value="IS02L_pH_meter" />
  <attribute name="ebas_organization" value="IS02L, Vedurstofa Islands, , , Bustadavegi 9, , 150, Reykjavik, Iceland" />
  <attribute name="ebas_framework_acronym" value="AMAP, CAMP, EMEP" />
  <attribute name="ebas_framework_name" value=", OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
  <attribute name="ebas_framework_description" value=", The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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, Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Sigurdsson, Arni, arnisig@vedur.is, Vedurstofa Islands, , , Bustadavegi 9, , 150, Reykjavik, Iceland&quot;" />
  <attribute name="ebas_submitter" value="&quot;Sigurdsson, Arni, arnisig@vedur.is, Vedurstofa Islands, , , Bustadavegi 9, , 150, Reykjavik, Iceland&quot;" />
  <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: AMAP, CAMP, EMEP." />
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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="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="5115" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="14" />
  <dimension name="qc_pH_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="1980-01-01T21:00:00Z" />
    <attribute name="time_coverage_end" value="2005-12-31T21:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="160433.0" />
    <attribute name="time_coverage_duration" value="P0Y0M9496DT0H0M0.000S" />
  </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="v_pH" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_pH_in_precipitation" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pH units" />
    <attribute name="ancillary_variables" value="qc_pH meta_pH" />
    <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="2014-05-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IS0002R" />
    <attribute name="ebas_platform_code" value="IS0002S" />
    <attribute name="ebas_station_name" value="Irafoss" />
    <attribute name="ebas_station_latitude" type="double" value="64.083333" />
    <attribute name="ebas_station_longitude" type="double" value="-21.016667" />
    <attribute name="ebas_station_altitude" value="66.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pH" />
    <attribute name="ebas_unit" value="pH units" />
    <attribute name="ebas_matrix" value="precip" />
    <attribute name="ebas_laboratory_code" value="IS02L" />
    <attribute name="ebas_instrument_type" value="bulk_sampler" />
    <attribute name="ebas_instrument_name" value="bs_2" />
    <attribute name="ebas_method_ref" value="IS02L_pH_meter" />
    <attribute name="ebas_organization" value="IS02L, Vedurstofa Islands, , , Bustadavegi 9, , 150, Reykjavik, Iceland" />
    <attribute name="ebas_framework_acronym" value="AMAP, CAMP, EMEP" />
    <attribute name="ebas_framework_name" value=", OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value=", The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Sigurdsson, Arni, arnisig@vedur.is, Vedurstofa Islands, , , Bustadavegi 9, , 150, Reykjavik, Iceland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Sigurdsson, Arni, arnisig@vedur.is, Vedurstofa Islands, , , Bustadavegi 9, , 150, Reykjavik, Iceland&quot;" />
    <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: AMAP, CAMP, EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/precipitationhydrogenionnumberconcentration" />
    <attribute name="actris_variable_preferred_term" value="precipitation hydrogen ion number concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/precipitationphase" />
    <attribute name="actris_matrix_preferred_term" value="precipitation phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/precipitationsampler" />
    <attribute name="actris_instrument_type_preferred_term" value="precipitation sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/AMAP, https://vocabulary.actris.nilu.no/actris_controlled_lists/CAMP, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="AMAP, CAMP, EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_pH" shape="qc_pH_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="meta_pH" 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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
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