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  <attribute name="title" value="Aerosol_light_scattering_coefficient at Mount Rainier National Park-Tahoma Woods (WA99)" />
  <attribute name="summary" value="Aerosol_light_scattering_coefficient at Mount Rainier National Park-Tahoma Woods (WA99). These measurements are gathered as a part of the following projects GAW-WDCA, IMPROVE and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['pressure in instrument', 'relative_humidity in instrument (relative_humidity)', 'temperature in instrument', 'aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)']" />
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  <attribute name="doi" value="https://doi.org/10.48597/QU3W-HNQS" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Day, D., Schichtel, B., GAW-WDCA, IMPROVE, 2018, Aerosol_light_scattering_coefficient at Mount Rainier National Park-Tahoma Woods (WA99), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QU3W-HNQS" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="US12O &quot;National Park Service, Headquarters&quot; NPS &quot;1849 C Street NW, , 20240, Washington DC, USA&quot;" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2018-10-23T09:21:04.160000Z" />
  <attribute name="date_metadata_modified" value="2018-06-26T12:04:25Z" />
  <attribute name="creator_name" value="Derek Day, Bret Schichtel" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", bret.schichtel@colostate.edu" />
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  <attribute name="contributor_name" value="Derek Day, William Malm" />
  <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" />
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  <attribute name="ebas_period_code" value="25y" />
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  <attribute name="ebas_station_altitude" value="424.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
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  <attribute name="ebas_instrument_type" value="nephelometer" />
  <attribute name="ebas_instrument_name" value="Optec-NGN-2_MountRanier" />
  <attribute name="ebas_instrument_manufacturer" value="Optec" />
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  <attribute name="ebas_instrument_serial_number" value="024" />
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  <attribute name="ebas_inlet_description" value="open face inlet with rain roof and rain flap, Digitel, flow 140 l/min" />
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  <attribute name="ebas_framework_contact_name" value="Markus Fiebig, Paul Eckhardt" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, pe@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Day, Derek, , , , , , , , , &quot;, &quot;Schichtel, Bret, bret.schichtel@colostate.edu, Cooperative Institute for Research in the Atmosphere, CIRA, , Colorado State University, , 80523-1375, Fort Collins CO, &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-WDCA, IMPROVE. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="NO truncation correction" />
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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_instrument_model" value="NGN-2" />
    <attribute name="ebas_instrument_serial_number" value="024" />
    <attribute name="ebas_method_ref" value="US11L_IMPROVE_nephelometer_2004" />
    <attribute name="ebas_standard_method" value="cal-gas=HFC-134a+AIR_truncation-correction=none+SOP=IMPROVE_nephelometer_2004" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="open face inlet with rain roof and rain flap, Digitel, flow 140 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to instrument temperature" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated from replicate samples" />
    <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="US12O, &quot;National Park Service, Headquarters&quot;, NPS, , &quot;1849 C Street NW, , 20240, Washington DC, USA&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, IMPROVE" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols, IMPROVE" />
    <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;, http://vista.cira.colostate.edu/improve/Publications/OtherDocs/IMPROVEDataGuide/IMPROVEDataGuide.htm" />
    <attribute name="ebas_framework_contact_name" value="Markus Fiebig, Paul Eckhardt" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, pe@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Day, Derek, , , , , , , , , &quot;, &quot;Schichtel, Bret, bret.schichtel@colostate.edu, Cooperative Institute for Research in the Atmosphere, CIRA, , Colorado State University, , 80523-1375, Fort Collins CO, &quot;" />
    <attribute name="ebas_submitter" value="&quot;Day, Derek, , , , , , , , , &quot;, &quot;Malm, William, , , , , , , , , &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-WDCA, IMPROVE. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="NO truncation correction" />
  </variable>
  <variable name="qc_temperature" shape="d_Location qc_temperature_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_temperature" shape="d_Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_aerosol_light_scattering_coefficient" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_scattering_coefficient meta_aerosol_light_scattering_coefficient" />
    <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="2018-06-26T12:04:25.807000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, cloud-screened, trace-gas corrected, 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="US4999R" />
    <attribute name="ebas_platform_code" value="US4999S" />
    <attribute name="ebas_station_name" value="Mount Rainier National Park-Tahoma Woods (WA99)" />
    <attribute name="ebas_station_latitude" type="double" value="46.7582" />
    <attribute name="ebas_station_longitude" type="double" value="-122.1243" />
    <attribute name="ebas_station_altitude" value="424.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_scattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="US11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="Optec-NGN-2_MountRanier" />
    <attribute name="ebas_instrument_manufacturer" value="Optec" />
    <attribute name="ebas_instrument_model" value="NGN-2" />
    <attribute name="ebas_instrument_serial_number" value="024" />
    <attribute name="ebas_method_ref" value="US11L_IMPROVE_nephelometer_2004" />
    <attribute name="ebas_standard_method" value="cal-gas=HFC-134a+AIR_truncation-correction=none+SOP=IMPROVE_nephelometer_2004" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="open face inlet with rain roof and rain flap, Digitel, flow 140 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to instrument temperature" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="5.0 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="10.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated from replicate samples" />
    <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="US12O, &quot;National Park Service, Headquarters&quot;, NPS, , &quot;1849 C Street NW, , 20240, Washington DC, USA&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA, IMPROVE" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols, IMPROVE" />
    <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;, http://vista.cira.colostate.edu/improve/Publications/OtherDocs/IMPROVEDataGuide/IMPROVEDataGuide.htm" />
    <attribute name="ebas_framework_contact_name" value="Markus Fiebig, Paul Eckhardt" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no, pe@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Day, Derek, , , , , , , , , &quot;, &quot;Schichtel, Bret, bret.schichtel@colostate.edu, Cooperative Institute for Research in the Atmosphere, CIRA, , Colorado State University, , 80523-1375, Fort Collins CO, &quot;" />
    <attribute name="ebas_submitter" value="&quot;Day, Derek, , , , , , , , , &quot;, &quot;Malm, William, , , , , , , , , &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-WDCA, IMPROVE. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="NO truncation correction" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelightscatteringcoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light scattering coefficient" />
    <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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_aerosol_light_scattering_coefficient" shape="d_Wavelength qc_aerosol_light_scattering_coefficient_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_light_scattering_coefficient" 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" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="d_Assumption" shape="d_Assumption" type="String" />
  <variable name="d_Location" shape="d_Location" type="String" />
  <variable name="d_Wavelength" shape="d_Wavelength" type="double" />
</netcdf>
