<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Aerosol_optical_depth at Alice Springs" />
  <attribute name="keywords" value="atmosphere_optical_thickness_due_to_ambient_aerosol_particles, aerosol_optical_depth, aerosol, Alice Springs, AU0001C, GAW-WDCA" />
  <attribute name="id" value="QGF9-Q558.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)" />
  <attribute name="doi" value="https://doi.org/10.48597/QGF9-Q558" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="PMOD/WRC, W., Hyett, N., GAW-WDCA, 2019, Aerosol_optical_depth at Alice Springs, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QGF9-Q558" />
  <attribute name="summary" value="Aerosol_optical_depth at Alice Springs. 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), aerosol_optical_depth in aerosol (atmosphere_optical_thickness_due_to_ambient_aerosol_particles), aerosol_optical_depth in aerosol (atmosphere_optical_thickness_due_to_ambient_aerosol_particles)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, 7260, Davos Dorf, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-11-21T09:20:23 UTC" />
  <attribute name="date_metadata_modified" value="2019-11-21T09:20:23 UTC" />
  <attribute name="creator_name" value="WORCC PMOD/WRC, Nicole Hyett" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="worcc@pmodwrc.ch, N.Hyett@bom.gov.au" />
  <attribute name="creator_institution" value="&quot;Physikalisch-Meteorologisches Observatorium Davos, WORCC, PMOD/WRC&quot;, &quot;Bureau of Meteorology, Atmospheric Watch Section, BoM&quot;" />
  <attribute name="contributor_name" value="Natalia Kouremeti, Stelios Kazadzis" />
  <attribute name="contributor_role" value="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 (-23.795085 133.88901 547.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="-23.795085" />
  <attribute name="geospatial_lat_max" type="double" value="-23.795085" />
  <attribute name="geospatial_lon_min" type="double" value="133.88901" />
  <attribute name="geospatial_lon_max" type="double" value="133.88901" />
  <attribute name="geospatial_vertical_min" type="double" value="547.0" />
  <attribute name="geospatial_vertical_max" type="double" value="547.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2016-03-14T00:30:00 UTC" />
  <attribute name="time_coverage_end" value="2018-03-31T00:29:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-00-16T23:59:00" />
  <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="PMOD/WRC, W., Hyett, N., GAW-WDCA, 2019, Aerosol_optical_depth at Alice Springs, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QGF9-Q558" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="QGF9-Q558.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/QGF9-Q558" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/QGF9-Q558" />
  <attribute name="ebas_file_creation" value="2024-05-04T02:53:28.377414 UTC" />
  <attribute name="ebas_export_state" value="2019-12-03T12:23:37.723000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20160314003000" />
  <attribute name="ebas_revision_date" value="20191121092023" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="quality assured, post-calibrated, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="2y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="AU0001C" />
  <attribute name="ebas_platform_code" value="AU0001S" />
  <attribute name="ebas_station_name" value="Alice Springs" />
  <attribute name="ebas_station_gaw_id" value="GAW" />
  <attribute name="ebas_station_gaw_name" value="Alice Springs" />
  <attribute name="ebas_station_land_use" value="Desert" />
  <attribute name="ebas_station_gaw_type" value="C" />
  <attribute name="ebas_station_wmo_region" value="5" />
  <attribute name="ebas_station_latitude" value="-23.795085" />
  <attribute name="ebas_station_longitude" value="133.88901" />
  <attribute name="ebas_station_altitude" value="547.0 m" />
  <attribute name="ebas_measurement_height" value="1.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="no unit" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="CH04L" />
  <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
  <attribute name="ebas_instrument_name" value="PMOD-WRC_PFR-N_ASP" />
  <attribute name="ebas_instrument_serial_number" value="12" />
  <attribute name="ebas_method_ref" value="CH04L_optical_transmission" />
  <attribute name="ebas_standard_method" value="Sunphotometry_PFR_manual_2009" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit" value="0.001 no unit" />
  <attribute name="ebas_detection_limit_expl" value="0.001 optical depths" />
  <attribute name="ebas_zero_negative_values" value="physically impossible" />
  <attribute name="ebas_organization" value="CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
  <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="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." />
  <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="Hyett, Nicole, N.Hyett@bom.gov.au, Bureau of Meteorology, BoM, Atmospheric Watch Section, PO Box 1289K, , 3001, Melbourne Vic, Australia" />
  <attribute name="ebas_submitter" value="Kazadzis, Stelios, Stelios.Kazadzis@pmodwrc.ch, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
  <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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)" />
  <attribute name="ebas_comment" value="Final Calibration" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <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;PMOD/WRC, W., Hyett, N., GAW-WDCA, 2019, Aerosol_optical_depth at Alice Springs, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QGF9-Q558&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;QGF9-Q558.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/QGF9-Q558&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/QGF9-Q558&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-05-04T02:53:28.377414 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-12-03T12:23:37.723000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160314003000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20191121092023&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;quality assured, post-calibrated, manually inspected&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;2y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1mn&quot;,&#xA;    &quot;Station code&quot;: &quot;AU0001C&quot;,&#xA;    &quot;Platform code&quot;: &quot;AU0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;Alice Springs&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;GAW&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Alice Springs&quot;,&#xA;    &quot;Station land use&quot;: &quot;Desert&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;C&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;5&quot;,&#xA;    &quot;Station latitude&quot;: &quot;-23.795085&quot;,&#xA;    &quot;Station longitude&quot;: &quot;133.88901&quot;,&#xA;    &quot;Station altitude&quot;: &quot;547.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;1.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;no unit&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CH04L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;sun_tracking_filter_radiometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;PMOD-WRC_PFR-N_ASP&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;12&quot;,&#xA;    &quot;Method ref&quot;: &quot;CH04L_optical_transmission&quot;,&#xA;    &quot;Standard method&quot;: &quot;Sunphotometry_PFR_manual_2009&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;in situ measurement, ambient conditions&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;ambient&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;ambient&quot;,&#xA;    &quot;Detection limit&quot;: &quot;0.001 no unit&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;0.001 optical depths&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;physically impossible&quot;,&#xA;    &quot;Organization&quot;: &quot;CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &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;,&#xA;    &quot;Framework contact name&quot;: &quot;Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Hyett, Nicole, N.Hyett@bom.gov.au, Bureau of Meteorology, BoM, Atmospheric Watch Section, PO Box 1289K, , 3001, Melbourne Vic, Australia&quot;,&#xA;    &quot;Submitter&quot;: &quot;Kazadzis, Stelios, Stelios.Kazadzis@pmodwrc.ch, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)&quot;,&#xA;    &quot;Comment&quot;: &quot;Final Calibration&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="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="6336" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="13" />
  <dimension name="Wavelength" length="4" />
  <dimension name="sample_count_qc_flags" length="1" />
  <dimension name="aerosol_optical_depth_amean_qc_flags" length="1" />
  <dimension name="aerosol_optical_depth_median_qc_flags" length="1" />
  <dimension name="aerosol_optical_depth_stddev_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2016-03-14T00:59:29Z" />
    <attribute name="time_coverage_end" value="2018-03-30T23:59:30Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="10187.0" />
    <attribute name="time_coverage_duration" value="P0Y0M746DT23H0M0.001S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-05" />
    <attribute name="nciso_version" value="2.4.7" />
  </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="sample_count" shape="Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sample_count_qc sample_count_ebasmetadata" />
    <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="20191121092023" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="quality assured, post-calibrated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="AU0001C" />
    <attribute name="ebas_platform_code" value="AU0001S" />
    <attribute name="ebas_station_name" value="Alice Springs" />
    <attribute name="ebas_station_gaw_id" value="GAW" />
    <attribute name="ebas_station_gaw_name" value="Alice Springs" />
    <attribute name="ebas_station_land_use" value="Desert" />
    <attribute name="ebas_station_gaw_type" value="C" />
    <attribute name="ebas_station_wmo_region" value="5" />
    <attribute name="ebas_station_latitude" value="-23.795085" />
    <attribute name="ebas_station_longitude" value="133.88901" />
    <attribute name="ebas_station_altitude" value="547.0 m" />
    <attribute name="ebas_measurement_height" value="1.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sample_count" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="CH04L" />
    <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
    <attribute name="ebas_instrument_name" value="PMOD-WRC_PFR-N_ASP" />
    <attribute name="ebas_instrument_serial_number" value="12" />
    <attribute name="ebas_method_ref" value="CH04L_optical_transmission" />
    <attribute name="ebas_standard_method" value="Sunphotometry_PFR_manual_2009" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.001 no unit" />
    <attribute name="ebas_detection_limit_expl" value="0.001 optical depths" />
    <attribute name="ebas_zero_negative_values" value="physically impossible" />
    <attribute name="ebas_organization" value="CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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="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." />
    <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="Hyett, Nicole, N.Hyett@bom.gov.au, Bureau of Meteorology, BoM, Atmospheric Watch Section, PO Box 1289K, , 3001, Melbourne Vic, Australia" />
    <attribute name="ebas_submitter" value="Kazadzis, Stelios, Stelios.Kazadzis@pmodwrc.ch, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)" />
    <attribute name="ebas_comment" value="Final Calibration" />
  </variable>
  <variable name="sample_count_qc" shape="Wavelength sample_count_qc_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="sample_count_ebasmetadata" shape="Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_optical_depth_amean" shape="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="aerosol_optical_depth_amean_qc aerosol_optical_depth_amean_ebasmetadata" />
    <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="20191121092023" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="quality assured, post-calibrated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="AU0001C" />
    <attribute name="ebas_platform_code" value="AU0001S" />
    <attribute name="ebas_station_name" value="Alice Springs" />
    <attribute name="ebas_station_gaw_id" value="GAW" />
    <attribute name="ebas_station_gaw_name" value="Alice Springs" />
    <attribute name="ebas_station_land_use" value="Desert" />
    <attribute name="ebas_station_gaw_type" value="C" />
    <attribute name="ebas_station_wmo_region" value="5" />
    <attribute name="ebas_station_latitude" value="-23.795085" />
    <attribute name="ebas_station_longitude" value="133.88901" />
    <attribute name="ebas_station_altitude" value="547.0 m" />
    <attribute name="ebas_measurement_height" value="1.0 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="CH04L" />
    <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
    <attribute name="ebas_instrument_name" value="PMOD-WRC_PFR-N_ASP" />
    <attribute name="ebas_instrument_serial_number" value="12" />
    <attribute name="ebas_method_ref" value="CH04L_optical_transmission" />
    <attribute name="ebas_standard_method" value="Sunphotometry_PFR_manual_2009" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.001 no unit" />
    <attribute name="ebas_detection_limit_expl" value="0.001 optical depths" />
    <attribute name="ebas_zero_negative_values" value="physically impossible" />
    <attribute name="ebas_organization" value="CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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="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." />
    <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="Hyett, Nicole, N.Hyett@bom.gov.au, Bureau of Meteorology, BoM, Atmospheric Watch Section, PO Box 1289K, , 3001, Melbourne Vic, Australia" />
    <attribute name="ebas_submitter" value="Kazadzis, Stelios, Stelios.Kazadzis@pmodwrc.ch, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)" />
    <attribute name="ebas_comment" value="Final Calibration" />
  </variable>
  <variable name="aerosol_optical_depth_amean_qc" shape="Wavelength aerosol_optical_depth_amean_qc_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="aerosol_optical_depth_amean_ebasmetadata" shape="Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_optical_depth_median" shape="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="aerosol_optical_depth_median_qc aerosol_optical_depth_median_ebasmetadata" />
    <attribute name="cell_methods" value="time: median" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20191121092023" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="quality assured, post-calibrated, manually inspected" />
    <attribute name="ebas_statistics" value="median" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="AU0001C" />
    <attribute name="ebas_platform_code" value="AU0001S" />
    <attribute name="ebas_station_name" value="Alice Springs" />
    <attribute name="ebas_station_gaw_id" value="GAW" />
    <attribute name="ebas_station_gaw_name" value="Alice Springs" />
    <attribute name="ebas_station_land_use" value="Desert" />
    <attribute name="ebas_station_gaw_type" value="C" />
    <attribute name="ebas_station_wmo_region" value="5" />
    <attribute name="ebas_station_latitude" value="-23.795085" />
    <attribute name="ebas_station_longitude" value="133.88901" />
    <attribute name="ebas_station_altitude" value="547.0 m" />
    <attribute name="ebas_measurement_height" value="1.0 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="CH04L" />
    <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
    <attribute name="ebas_instrument_name" value="PMOD-WRC_PFR-N_ASP" />
    <attribute name="ebas_instrument_serial_number" value="12" />
    <attribute name="ebas_method_ref" value="CH04L_optical_transmission" />
    <attribute name="ebas_standard_method" value="Sunphotometry_PFR_manual_2009" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.001 no unit" />
    <attribute name="ebas_detection_limit_expl" value="0.001 optical depths" />
    <attribute name="ebas_zero_negative_values" value="physically impossible" />
    <attribute name="ebas_organization" value="CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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="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." />
    <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="Hyett, Nicole, N.Hyett@bom.gov.au, Bureau of Meteorology, BoM, Atmospheric Watch Section, PO Box 1289K, , 3001, Melbourne Vic, Australia" />
    <attribute name="ebas_submitter" value="Kazadzis, Stelios, Stelios.Kazadzis@pmodwrc.ch, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)" />
    <attribute name="ebas_comment" value="Final Calibration" />
  </variable>
  <variable name="aerosol_optical_depth_median_qc" shape="Wavelength aerosol_optical_depth_median_qc_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="aerosol_optical_depth_median_ebasmetadata" shape="Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_optical_depth_stddev" shape="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="aerosol_optical_depth_stddev_qc aerosol_optical_depth_stddev_ebasmetadata" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20191121092023" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="quality assured, post-calibrated, manually inspected" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="AU0001C" />
    <attribute name="ebas_platform_code" value="AU0001S" />
    <attribute name="ebas_station_name" value="Alice Springs" />
    <attribute name="ebas_station_gaw_id" value="GAW" />
    <attribute name="ebas_station_gaw_name" value="Alice Springs" />
    <attribute name="ebas_station_land_use" value="Desert" />
    <attribute name="ebas_station_gaw_type" value="C" />
    <attribute name="ebas_station_wmo_region" value="5" />
    <attribute name="ebas_station_latitude" value="-23.795085" />
    <attribute name="ebas_station_longitude" value="133.88901" />
    <attribute name="ebas_station_altitude" value="547.0 m" />
    <attribute name="ebas_measurement_height" value="1.0 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="CH04L" />
    <attribute name="ebas_instrument_type" value="sun_tracking_filter_radiometer" />
    <attribute name="ebas_instrument_name" value="PMOD-WRC_PFR-N_ASP" />
    <attribute name="ebas_instrument_serial_number" value="12" />
    <attribute name="ebas_method_ref" value="CH04L_optical_transmission" />
    <attribute name="ebas_standard_method" value="Sunphotometry_PFR_manual_2009" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.001 no unit" />
    <attribute name="ebas_detection_limit_expl" value="0.001 optical depths" />
    <attribute name="ebas_zero_negative_values" value="physically impossible" />
    <attribute name="ebas_organization" value="CH04L, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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="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." />
    <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="Hyett, Nicole, N.Hyett@bom.gov.au, Bureau of Meteorology, BoM, Atmospheric Watch Section, PO Box 1289K, , 3001, Melbourne Vic, Australia" />
    <attribute name="ebas_submitter" value="Kazadzis, Stelios, Stelios.Kazadzis@pmodwrc.ch, Physikalisch-Meteorologisches Observatorium Davos, PMOD/WRC, WORCC, Dorfstrasse 33, , 7260, Davos Dorf, Switzerland" />
    <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. Request acknowledgement details from WORCC-PMOD/WRC (worcc@pmodwrc.ch)" />
    <attribute name="ebas_comment" value="Final Calibration" />
  </variable>
  <variable name="aerosol_optical_depth_stddev_qc" shape="Wavelength aerosol_optical_depth_stddev_qc_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="aerosol_optical_depth_stddev_ebasmetadata" shape="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 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <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 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="Wavelength" shape="Wavelength" type="double" />
</netcdf>
