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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Aerosol_optical_depth at Minamitorishima" />
  <attribute name="summary" value="Aerosol_optical_depth at Minamitorishima. These measurements are gathered as a part of the following projects GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['aerosol_optical_depth in aerosol (atmosphere_optical_thickness_due_to_ambient_aerosol_particles)']" />
  <attribute name="keywords" value="Minamitorishima JP1028G aerosol_optical_depth aerosol GAW-WDCA atmosphere_optical_thickness_due_to_ambient_aerosol_particles" />
  <attribute name="id" value="R3UY-ATAA.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/R3UY-ATAA" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Sasaki, H., Honda, K., GAW-WDCA, 2006, Aerosol_optical_depth at Minamitorishima, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/R3UY-ATAA" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="JP02L &quot;Japan Meteorological Agency&quot; JMA &quot;Global Environment and Marine Department&quot; &quot;1-3-4 Ootemachi&quot; Chiyoda-ku 1008122 Tokyo Japan" />
  <attribute name="date_created" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="date_metadata_modified" value="2006-03-31T00:00:00Z" />
  <attribute name="creator_name" value="Hideyuki Sasaki, Kohei Honda" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", " />
  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Kenji Suzuki" />
  <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 (153.9833 24.2883 7.1)" />
  <attribute name="geospatial_lat_min" type="double" value="24.2883" />
  <attribute name="geospatial_lat_max" type="double" value="24.2883" />
  <attribute name="geospatial_lon_min" type="double" value="153.9833" />
  <attribute name="geospatial_lon_max" type="double" value="153.9833" />
  <attribute name="geospatial_vertical_min" type="double" value="7.1" />
  <attribute name="geospatial_vertical_max" type="double" value="7.1" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2003-12-31T23:00:00Z" />
  <attribute name="time_coverage_end" value="2003-12-31T23:01:00Z" />
  <attribute name="time_coverage_duration" value="P0000-00-00T00:01:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T00:00:00" />
  <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="Sasaki, H., Honda, K., GAW-WDCA, 2006, Aerosol_optical_depth at Minamitorishima, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/R3UY-ATAA" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="R3UY-ATAA.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/R3UY-ATAA" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/R3UY-ATAA" />
  <attribute name="ebas_file_creation" value="2026-05-16T15:35:24.962199Z" />
  <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="2003-12-31T23:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2006-03-31T00:00:00.000000Z" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="1mn" />
  <attribute name="ebas_resolution_code" value="1mn" />
  <attribute name="ebas_station_code" value="JP1028G" />
  <attribute name="ebas_platform_code" value="JP1028S" />
  <attribute name="ebas_station_name" value="Minamitorishima" />
  <attribute name="ebas_station_wdca_id" value="GAWAJP__MNM" />
  <attribute name="ebas_station_gaw_id" value="MNM" />
  <attribute name="ebas_station_gaw_name" value="Minamitorishima" />
  <attribute name="ebas_station_land_use" value="Gravel and stone" />
  <attribute name="ebas_station_setting" value="Coastal" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" type="long" value="2" />
  <attribute name="ebas_station_latitude" type="double" value="24.2883" />
  <attribute name="ebas_station_longitude" type="double" value="153.9833" />
  <attribute name="ebas_station_altitude" value="7.1 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="aerosol_optical_depth" />
  <attribute name="ebas_unit" value="no unit" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="JP02L" />
  <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
  <attribute name="ebas_instrument_name" value="sun_tracking_filter_radiometer_102" />
  <attribute name="ebas_method_ref" value="JP02L_optical_transmission" />
  <attribute name="ebas_organization" value="JP02L, Japan Meteorological Agency, JMA, Global Environment and Marine Department, 1-3-4 Ootemachi, Chiyoda-ku, 1008122, Tokyo, Japan" />
  <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
  <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="&quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Sasaki, Hideyuki, , , , , , , , , &quot;, &quot;Honda, Kohei, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Suzuki, Kenji, , , , , , , , , &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 framework: GAW-WDCA." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <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="1" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="d_Wavelength" length="1" />
  <dimension name="qc_aerosol_optical_depth_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2003-12-31T23:00:30Z" />
    <attribute name="time_coverage_end" value="2003-12-31T23:00:30Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="0.0" />
    <attribute name="time_coverage_duration" value="P0Y0M0DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <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_aerosol_optical_depth" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="atmosphere_optical_thickness_due_to_ambient_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_aerosol_optical_depth meta_aerosol_optical_depth" />
    <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="2006-03-31T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="JP1028G" />
    <attribute name="ebas_platform_code" value="JP1028S" />
    <attribute name="ebas_station_name" value="Minamitorishima" />
    <attribute name="ebas_station_wdca_id" value="GAWAJP__MNM" />
    <attribute name="ebas_station_gaw_id" value="MNM" />
    <attribute name="ebas_station_gaw_name" value="Minamitorishima" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="2" />
    <attribute name="ebas_station_latitude" type="double" value="24.2883" />
    <attribute name="ebas_station_longitude" type="double" value="153.9833" />
    <attribute name="ebas_station_altitude" value="7.1 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_optical_depth" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="JP02L" />
    <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
    <attribute name="ebas_instrument_name" value="sun_tracking_filter_radiometer_102" />
    <attribute name="ebas_method_ref" value="JP02L_optical_transmission" />
    <attribute name="ebas_organization" value="JP02L, Japan Meteorological Agency, JMA, Global Environment and Marine Department, 1-3-4 Ootemachi, Chiyoda-ku, 1008122, Tokyo, Japan" />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Sasaki, Hideyuki, , , , , , , , , &quot;, &quot;Honda, Kohei, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Suzuki, Kenji, , , , , , , , , &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 framework: GAW-WDCA." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleopticaldepth" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle optical depth" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle 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/sunphotometer" />
    <attribute name="actris_instrument_type_preferred_term" value="sun photometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="PT0S" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_aerosol_optical_depth" shape="d_Wavelength qc_aerosol_optical_depth_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_aerosol_optical_depth" shape="d_Wavelength 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" />
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    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="d_Wavelength" shape="d_Wavelength" type="double" />
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