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  <attribute name="title" value="Greenhouse gases at Zeppelin mountain (Ny-Ålesund)" />
  <attribute name="summary" value="Greenhouse gases at Zeppelin mountain (Ny-Ålesund). These measurements are gathered as a part of the following projects GAW-WDCGG-node, InGOS and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['CFC-113 in air (mass_fraction_of_cfc113_in_air)', 'H-1211 in air (mass_fraction_of_halon1211_in_air)', 'H-1301 in air (mass_fraction_of_halon1301_in_air)', 'HCFC-141b in air (mass_fraction_of_hcfc141b_in_air)', 'HCFC-142b in air (mass_fraction_of_hcfc142b_in_air)', 'HCFC-22 in air (mass_fraction_of_hcfc22_in_air)', 'HFC-134a in air (mass_fraction_of_hydrofluorocarbon_134a_in_air)', 'HFC-227ea in air (mass_fraction_of_hydrofluorocarbon_227ea_in_air)', 'HFC-23 in air (mass_fraction_of_hydrofluorocarbon_23_in_air)', 'HFC-236fa in air (mass_fraction_of_hydrofluorocarbon_236fa_in_air)', 'HFC-245fa in air (mass_fraction_of_hydrofluorocarbon_245fa_in_air)', 'HFC-365mfc in air (mass_fraction_of_hydrofluorocarbon_365mfc_in_air)', 'PFC-218 in air (mass_fraction_of_pfc_218_in_air)', 'bromomethane in air (mass_fraction_of_methyl_bromide_in_air)', 'chloromethane in air (mass_fraction_of_chloromethane_in_air)', 'dichloromethane in air (mass_concentration_of_dichloromethane_in_air)', 'dichloromethane in air (mass_fraction_of_dichloromethane_in_air)', 'sulfur_hexafluoride in air (mass_fraction_of_sulfur_hexafluoride_in_air)', 'sulfuryl_fluoride in air (mass_fraction_of_sulphate_corrected_in_air)', 'tetrachloroethene in air (mass_concentration_of_tetrachloroethene_in_air)', 'tetrachloroethene in air (mass_fraction_of_tetrachloroethene_in_air)', 'trichloroethane in air (mass_concentration_of_trichloroethane_in_air)', 'trichloroethane in air (mass_fraction_of_trichloroethane_in_air)', 'trichloromethane in air (mass_fraction_of_trichloromethane_in_air)']" />
  <attribute name="keywords" value="&quot;Zeppelin mountain (Ny-Ålesund)&quot; NO0042G CFC-113 H-1211 H-1301 HCFC-141b HCFC-142b HCFC-22 HFC-134a HFC-227ea HFC-23 HFC-236fa HFC-245fa HFC-365mfc PFC-218 bromomethane chloromethane dichloromethane sulfur_hexafluoride sulfuryl_fluoride tetrachloroethene trichloroethane trichloromethane air GAW-WDCGG-node InGOS mass_fraction_of_cfc113_in_air mass_fraction_of_halon1211_in_air mass_fraction_of_halon1301_in_air mass_fraction_of_hcfc141b_in_air mass_fraction_of_hcfc142b_in_air mass_fraction_of_hcfc22_in_air mass_fraction_of_hydrofluorocarbon_134a_in_air mass_fraction_of_hydrofluorocarbon_227ea_in_air mass_fraction_of_hydrofluorocarbon_23_in_air mass_fraction_of_hydrofluorocarbon_236fa_in_air mass_fraction_of_hydrofluorocarbon_245fa_in_air mass_fraction_of_hydrofluorocarbon_365mfc_in_air mass_fraction_of_pfc_218_in_air mass_fraction_of_methyl_bromide_in_air mass_fraction_of_chloromethane_in_air mass_concentration_of_dichloromethane_in_air mass_fraction_of_dichloromethane_in_air mass_fraction_of_sulfur_hexafluoride_in_air mass_fraction_of_sulphate_corrected_in_air mass_concentration_of_tetrachloroethene_in_air mass_fraction_of_tetrachloroethene_in_air mass_concentration_of_trichloroethane_in_air mass_fraction_of_trichloroethane_in_air mass_fraction_of_trichloromethane_in_air" />
  <attribute name="id" value="EBYV-DXVN.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCGG-node, InGOS" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/EBYV-DXVN" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Lunder, C., GAW-WDCGG-node, InGOS, 2013, Greenhouse gases at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EBYV-DXVN" />
  <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" />
  <attribute name="date_created" value="2014-08-18T13:07:18.693000Z" />
  <attribute name="date_metadata_modified" value="2013-06-03T00:00:00Z" />
  <attribute name="creator_name" value="Chris Lunder" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="crl@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;" />
  <attribute name="contributor_name" value="Ann Mari Fjæraa" />
  <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 (11.88668 78.90715 474)" />
  <attribute name="geospatial_lat_min" type="double" value="78.90715" />
  <attribute name="geospatial_lat_max" type="double" value="78.90715" />
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  <attribute name="geospatial_vertical_min" type="double" value="474.0" />
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  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2010-09-01T21:45:00Z" />
  <attribute name="time_coverage_end" value="2010-12-31T23:54:00Z" />
  <attribute name="time_coverage_duration" value="P0000-03-30T02:09:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T02:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
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  <attribute name="ebas_citation" value="Lunder, C., GAW-WDCGG-node, InGOS, 2013, Greenhouse gases at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EBYV-DXVN" />
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  <attribute name="ebas_file_creation" value="2026-05-17T04:51:07.759025Z" />
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  <attribute name="ebas_startdate" value="2010-09-01T21:45:00.000000Z" />
  <attribute name="ebas_revision_date" value="2013-06-03T00:00:00.000000Z" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="4mo" />
  <attribute name="ebas_resolution_code" value="2h" />
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  <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
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  <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
  <attribute name="ebas_station_land_use" value="Gravel and stone" />
  <attribute name="ebas_station_setting" value="Polar" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="78.90715" />
  <attribute name="ebas_station_longitude" type="double" value="11.88668" />
  <attribute name="ebas_station_altitude" value="474.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="MEDUSA_ZEP" />
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  <attribute name="ebas_framework_description" value=", " />
  <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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  <attribute name="ebas_originator" value="&quot;Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;" />
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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="1295" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_CFC_113_flags" length="1" />
  <dimension name="qc_H_1211_flags" length="1" />
  <dimension name="qc_H_1301_flags" length="1" />
  <dimension name="qc_HCFC_141b_flags" length="1" />
  <dimension name="qc_HCFC_142b_flags" length="1" />
  <dimension name="qc_HCFC_22_flags" length="1" />
  <dimension name="qc_HFC_134a_flags" length="1" />
  <dimension name="qc_HFC_227ea_flags" length="1" />
  <dimension name="qc_HFC_23_flags" length="1" />
  <dimension name="qc_HFC_236fa_flags" length="1" />
  <dimension name="qc_HFC_245fa_flags" length="1" />
  <dimension name="qc_HFC_365mfc_flags" length="1" />
  <dimension name="qc_PFC_218_flags" length="1" />
  <dimension name="qc_bromomethane_flags" length="1" />
  <dimension name="qc_chloromethane_flags" length="1" />
  <dimension name="qc_dichloromethane_ng_per_m3_flags" length="1" />
  <dimension name="qc_dichloromethane_pmol_per_mol_flags" length="1" />
  <dimension name="qc_sulfur_hexafluoride_flags" length="1" />
  <dimension name="qc_sulfuryl_fluoride_flags" length="1" />
  <dimension name="qc_tetrachloroethene_ng_per_m3_flags" length="1" />
  <dimension name="qc_tetrachloroethene_pmol_per_mol_flags" length="1" />
  <dimension name="qc_trichloroethane_ng_per_m3_flags" length="1" />
  <dimension name="qc_trichloroethane_pmol_per_mol_flags" length="1" />
  <dimension name="qc_trichloromethane_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2010-09-01T21:55:00Z" />
    <attribute name="time_coverage_end" value="2010-12-31T23:44:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="8084.0" />
    <attribute name="time_coverage_duration" value="P0Y0M121DT1H49M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-17" />
    <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" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2013-06-03T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="78.90715" />
    <attribute name="ebas_station_longitude" type="double" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trichloroethane" />
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    <attribute name="ebas_laboratory_code" value="NO01L" />
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    <attribute name="ebas_instrument_name" value="MEDUSA_ZEP" />
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    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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    <attribute name="ebas_originator" value="&quot;Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;" />
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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: GAW-WDCGG-node, InGOS." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.951." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/trichloroethanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="trichloroethane mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_trichloroethane_ng_per_m3" shape="qc_trichloroethane_ng_per_m3_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" />
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  </variable>
  <variable name="meta_trichloroethane_ng_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_trichloroethane_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_trichloroethane_in_air" />
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    <attribute name="units" value="pmol/mol" />
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    <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="2013-06-03T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
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    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" type="double" value="78.90715" />
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    <attribute name="ebas_instrument_name" value="MEDUSA_ZEP" />
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    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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    <attribute name="ebas_originator" value="&quot;Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;" />
    <attribute name="ebas_submitter" value="&quot;Fjæraa, Ann Mari, , Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&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: GAW-WDCGG-node, InGOS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/trichloroethaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="trichloroethane amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_trichloroethane_pmol_per_mol" shape="qc_trichloroethane_pmol_per_mol_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" />
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  </variable>
  <variable name="meta_trichloroethane_pmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_trichloromethane" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_trichloromethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
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    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trichloromethane" />
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    <attribute name="ebas_laboratory_code" value="NO01L" />
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    <attribute name="ebas_instrument_name" value="MEDUSA_ZEP" />
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    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
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    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
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    <attribute name="ebas_originator" value="&quot;Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;" />
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    <attribute name="actris_variable_preferred_term" value="chloroform amount fraction" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_trichloromethane" shape="qc_trichloromethane_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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  </variable>
  <variable name="meta_trichloromethane" 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>
</netcdf>
