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  <attribute name="title" value="Aerosol_absorption_coefficient at Trinidad Head" />
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  <attribute name="doi" value="https://doi.org/10.48597/JHT8-36XP" />
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  <attribute name="citation" value="Sheridan, P., GAW-WDCA, NOAA-ESRL, 2020, Aerosol_absorption_coefficient at Trinidad Head, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JHT8-36XP" />
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  <attribute name="contributor_name" value="Patrick Sheridan" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587" shape="Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_qc aerosol_absorption_coefficient_prec1587_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200306135907" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Version numbering not tracked, generated by CPD3 EBAS Export v24-107-g015cb29-m run as da.output.upload (29724) run by aerosol on aero2-new.cmdl.noaa.gov via da.output.upload --after=undef --profile=ebas --quiet thd" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <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="US6005G" />
    <attribute name="ebas_platform_code" value="US6005S" />
    <attribute name="ebas_station_name" value="Trinidad Head" />
    <attribute name="ebas_station_wdca_id" value="GAWAUSCATHD" />
    <attribute name="ebas_station_gaw_id" value="THD" />
    <attribute name="ebas_station_gaw_name" value="Trinidad Head (CA)" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="4" />
    <attribute name="ebas_station_latitude" value="41.0541000366" />
    <attribute name="ebas_station_longitude" value="-124.1510009766" />
    <attribute name="ebas_station_altitude" value="107.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="41.0541" />
    <attribute name="ebas_measurement_longitude" value="-124.151001" />
    <attribute name="ebas_measurement_altitude" value="107.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="US06L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="RadianceResearch_PSAP-1W_THD_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="Radiance-Research" />
    <attribute name="ebas_instrument_model" value="PSAP-1W" />
    <attribute name="ebas_instrument_serial_number" value="13" />
    <attribute name="ebas_method_ref" value="US06L_abs_coef" />
    <attribute name="ebas_standard_method" value="Single-angle_Correction=Bond1999_Ogren2010" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Switched impactor at 10 um" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <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="Sheridan, Patrick, Patrick.Sheridan@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="Sheridan, Patrick, Patrick.Sheridan@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" />
    <attribute name="ebas_comment" value="Standard Bond et al. 1999 values for K1 and K2 used at all wavelengths" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_qc" shape="Wavelength aerosol_absorption_coefficient_prec1587_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_absorption_coefficient_prec1587_ebasmetadata" shape="Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413" shape="Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_qc aerosol_absorption_coefficient_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200306135907" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Version numbering not tracked, generated by CPD3 EBAS Export v24-107-g015cb29-m run as da.output.upload (29724) run by aerosol on aero2-new.cmdl.noaa.gov via da.output.upload --after=undef --profile=ebas --quiet thd" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <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="US6005G" />
    <attribute name="ebas_platform_code" value="US6005S" />
    <attribute name="ebas_station_name" value="Trinidad Head" />
    <attribute name="ebas_station_wdca_id" value="GAWAUSCATHD" />
    <attribute name="ebas_station_gaw_id" value="THD" />
    <attribute name="ebas_station_gaw_name" value="Trinidad Head (CA)" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="4" />
    <attribute name="ebas_station_latitude" value="41.0541000366" />
    <attribute name="ebas_station_longitude" value="-124.1510009766" />
    <attribute name="ebas_station_altitude" value="107.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="41.0541" />
    <attribute name="ebas_measurement_longitude" value="-124.151001" />
    <attribute name="ebas_measurement_altitude" value="107.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="US06L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="RadianceResearch_PSAP-1W_THD_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="Radiance-Research" />
    <attribute name="ebas_instrument_model" value="PSAP-1W" />
    <attribute name="ebas_instrument_serial_number" value="13" />
    <attribute name="ebas_method_ref" value="US06L_abs_coef" />
    <attribute name="ebas_standard_method" value="Single-angle_Correction=Bond1999_Ogren2010" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Switched impactor at 10 um" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <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="Sheridan, Patrick, Patrick.Sheridan@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="Sheridan, Patrick, Patrick.Sheridan@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" />
    <attribute name="ebas_comment" value="Standard Bond et al. 1999 values for K1 and K2 used at all wavelengths" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_qc" shape="Wavelength aerosol_absorption_coefficient_perc8413_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_absorption_coefficient_perc8413_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>
