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  <attribute name="title" value="Aerosol_optical_depth at Fort Peck (SURFRAD)" />
  <attribute name="keywords" value="aerosol_optical_depth, atmosphere_optical_thickness_due_to_ambient_aerosol_particles, Fort Peck (SURFRAD), aerosol, US0905R, GAW-WDCA, NOAA-ESRL" />
  <attribute name="id" value="EZQX-8JXC.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA, NOAA-ESRL" />
  <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 frameworks: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/EZQX-8JXC" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Augustine, J., GAW-WDCA, NOAA-ESRL, 2024, Aerosol_optical_depth at Fort Peck (SURFRAD), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EZQX-8JXC" />
  <attribute name="summary" value="Aerosol_optical_depth at Fort Peck (SURFRAD). These measurements are gathered as a part of the following projects GAW-WDCA, NOAA-ESRL 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)" />
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  <attribute name="institution" value="US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, Earth System Research Laboratory, Global Monitoring Division, 325 Broadway, CO 80305-3, Boulder, U.S.A." />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2024-02-26T21:59:24 UTC" />
  <attribute name="date_metadata_modified" value="2024-02-26T21:59:24 UTC" />
  <attribute name="creator_name" value="John Augustine" />
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  <attribute name="contributor_name" value="John Augustine" />
  <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_bounds" value="POINT Z (48.310001 -105.099998 634.0)" />
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  <attribute name="time_coverage_start" value="2019-01-01T00:00:00 UTC" />
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  <attribute name="ebas_station_longitude" value="-105.1017" />
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  <attribute name="ebas_measurement_altitude" value="634.0 m" />
  <attribute name="ebas_measurement_height" value="2.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="aerosol_optical_depth" />
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  <attribute name="ebas_matrix" value="aerosol" />
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  <attribute name="ebas_instrument_model" value="MFR-7" />
  <attribute name="ebas_method_ref" value="US06L_MFR_JA" />
  <attribute name="ebas_standard_method" value="Ref=Augustine2003" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
  <attribute name="ebas_detection_limit" value="0.001 no unit" />
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  <attribute name="ebas_framework_name" value="World Data Centre for Aerosols, " />
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  <attribute name="ebas_framework_contact_name" value="Markus Fiebig, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
  <attribute name="ebas_submitter" value="Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
  <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-WDCA, NOAA-ESRL. Request acknowledgement details from data originator" />
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  <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;Augustine, J., GAW-WDCA, NOAA-ESRL, 2024, Aerosol_optical_depth at Fort Peck (SURFRAD), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EZQX-8JXC&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;EZQX-8JXC.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/EZQX-8JXC&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/EZQX-8JXC&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-05-05T03:52:51.024936 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2024-02-26T21:59:24.253212 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20190101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20240226215924&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;5y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;3mn&quot;,&#xA;    &quot;Station code&quot;: &quot;US0905R&quot;,&#xA;    &quot;Platform code&quot;: &quot;US0905S&quot;,&#xA;    &quot;Station name&quot;: &quot;Fort Peck (SURFRAD)&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;FPE&quot;,&#xA;    &quot;Station other IDs&quot;: &quot;31 (BSRN), MT96 (NADP)&quot;,&#xA;    &quot;Station state/province&quot;: &quot;MT&quot;,&#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;4&quot;,&#xA;    &quot;Station latitude&quot;: &quot;48.30783&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-105.1017&quot;,&#xA;    &quot;Station altitude&quot;: &quot;634.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;48.310001&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-105.099998&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;634.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;2.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;aerosol_optical_depth&quot;,&#xA;    &quot;Unit&quot;: &quot;no unit&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;US06L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;rotating_shadowband_spectral_radiometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;YES_MFR-7_FPE&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;YES&quot;,&#xA;    &quot;Instrument model&quot;: &quot;MFR-7&quot;,&#xA;    &quot;Method ref&quot;: &quot;US06L_MFR_JA&quot;,&#xA;    &quot;Standard method&quot;: &quot;Ref=Augustine2003&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;Detection limit&quot;: &quot;0.001 no unit&quot;,&#xA;    &quot;Organization&quot;: &quot;US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, \&quot;Earth System Research Laboratory, Global Monitoring Division\&quot;, 325 Broadway, , CO 80305-3, Boulder, U.S.A.&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCA, NOAA-ESRL&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, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, \&quot;Boulder, CO\&quot;, USA&quot;,&#xA;    &quot;Submitter&quot;: &quot;Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, \&quot;Boulder, CO\&quot;, USA&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. 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    <attribute name="ebas_station_latitude" value="48.30783" />
    <attribute name="ebas_station_longitude" value="-105.1017" />
    <attribute name="ebas_station_altitude" value="634.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.310001" />
    <attribute name="ebas_measurement_longitude" value="-105.099998" />
    <attribute name="ebas_measurement_altitude" value="634.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 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="US06L" />
    <attribute name="ebas_instrument_type" value="rotating_shadowband_spectral_radiometer" />
    <attribute name="ebas_instrument_name" value="YES_MFR-7_FPE" />
    <attribute name="ebas_instrument_manufacturer" value="YES" />
    <attribute name="ebas_instrument_model" value="MFR-7" />
    <attribute name="ebas_method_ref" value="US06L_MFR_JA" />
    <attribute name="ebas_standard_method" value="Ref=Augustine2003" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
    <attribute name="ebas_detection_limit" value="0.001 no unit" />
    <attribute name="ebas_organization" value="US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, &quot;Earth System Research Laboratory, Global Monitoring Division&quot;, 325 Broadway, , CO 80305-3, Boulder, U.S.A." />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
    <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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
    <attribute name="ebas_submitter" value="Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
    <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-WDCA, NOAA-ESRL. Request acknowledgement details from data originator" />
  </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="20240226215924" />
    <attribute name="ebas_version" value="1" />
    <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="3mn" />
    <attribute name="ebas_station_code" value="US0905R" />
    <attribute name="ebas_platform_code" value="US0905S" />
    <attribute name="ebas_station_name" value="Fort Peck (SURFRAD)" />
    <attribute name="ebas_station_gaw_id" value="FPE" />
    <attribute name="ebas_station_other_ids" value="31 (BSRN), MT96 (NADP)" />
    <attribute name="ebas_station_state_province" value="MT" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="4" />
    <attribute name="ebas_station_latitude" value="48.30783" />
    <attribute name="ebas_station_longitude" value="-105.1017" />
    <attribute name="ebas_station_altitude" value="634.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.310001" />
    <attribute name="ebas_measurement_longitude" value="-105.099998" />
    <attribute name="ebas_measurement_altitude" value="634.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 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="US06L" />
    <attribute name="ebas_instrument_type" value="rotating_shadowband_spectral_radiometer" />
    <attribute name="ebas_instrument_name" value="YES_MFR-7_FPE" />
    <attribute name="ebas_instrument_manufacturer" value="YES" />
    <attribute name="ebas_instrument_model" value="MFR-7" />
    <attribute name="ebas_method_ref" value="US06L_MFR_JA" />
    <attribute name="ebas_standard_method" value="Ref=Augustine2003" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="in situ measurement, ambient conditions" />
    <attribute name="ebas_detection_limit" value="0.001 no unit" />
    <attribute name="ebas_organization" value="US06L, National Oceanic and Atmospheric Administration, NOAA/ESRL/GMD, &quot;Earth System Research Laboratory, Global Monitoring Division&quot;, 325 Broadway, , CO 80305-3, Boulder, U.S.A." />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, NOAA-ESRL" />
    <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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
    <attribute name="ebas_submitter" value="Augustine, John, John.A.Augustine@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, &quot;Boulder, CO&quot;, USA" />
    <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-WDCA, NOAA-ESRL. Request acknowledgement details from data originator" />
  </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>
