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  <attribute name="title" value="Aerosol light scattering at Jungfraujoch" />
  <attribute name="keywords" value="aerosol, volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles, GAW-WDCA, aerosol_light_scattering_coefficient, CREATE, EMEP, EUSAAR, volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles, Jungfraujoch, CH0001G, aerosol_light_backscattering_coefficient, ACTRIS" />
  <attribute name="id" value="CH0001G.20010101000000.20260528092427.nephelometer...12y.1h.CH02L_TSI_3563_JFJ_dry..lev2.nc" />
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  <attribute name="project" value="ACTRIS, CREATE, EMEP, EUSAAR, 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 frameworks: CREATE, EMEP, GAW-WDCA. Request acknowledgement details from data originator|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: ACTRIS, CREATE, EMEP, EUSAAR, GAW-WDCA." separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/NGGP-YA24|https://doi.org/10.48597/NSKN-7FVH" separator="|" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Baltensperger, U., Weingartner, E., ACTRIS, CREATE, EMEP, EUSAAR, GAW-WDCA, 2026, Aerosol light scattering at Jungfraujoch, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/NGGP-YA24, https://doi.org/10.48597/NSKN-7FVH" />
  <attribute name="summary" value="Aerosol light scattering at Jungfraujoch. These measurements are gathered as a part of the following projects ACTRIS, CREATE, EMEP, EUSAAR, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, 5232, Villigen PSI, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-05-28T09:24:27 UTC" />
  <attribute name="date_metadata_modified" value="2026-05-28T09:24:27 UTC" />
  <attribute name="creator_name" value="Urs Baltensperger, Ernest Weingartner" />
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  <attribute name="contributor_name" value="Martine Collaud Coen" />
  <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="ebas_station_name" value="Jungfraujoch" />
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  <attribute name="ebas_station_setting" value="Mountain" />
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  <attribute name="ebas_station_longitude" value="7.985" />
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  <attribute name="ebas_originator" value="Weingartner, Ernest, , , , , , , , , " />
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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;Baltensperger, U., Weingartner, E., ACTRIS, CREATE, EMEP, EUSAAR, GAW-WDCA, 2026, Aerosol light scattering at Jungfraujoch, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/NGGP-YA24, https://doi.org/10.48597/NSKN-7FVH&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;CH0001G.20010101000000.20260528092427.nephelometer...12y.1h.CH02L_TSI_3563_JFJ_dry..lev2.nc&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/NGGP-YA24, https://doi.org/10.48597/NSKN-7FVH&quot;,&#xA;    &quot;File creation&quot;: &quot;2026-05-28T14:41:39.701812 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2026-05-28T14:25:02.754866 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20010101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20260528092427&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;12y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;CH0001G&quot;,&#xA;    &quot;Platform code&quot;: &quot;CH0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;Jungfraujoch&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWACH__JFJ&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;JFJ&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Jungfraujoch&quot;,&#xA;    &quot;Station land use&quot;: &quot;Gravel and stone&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;46.5475&quot;,&#xA;    &quot;Station longitude&quot;: &quot;7.985&quot;,&#xA;    &quot;Station altitude&quot;: &quot;3578.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CH02L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;nephelometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;TSI_3563_JFJ_dry&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3563&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;1043&quot;,&#xA;    &quot;Organization&quot;: &quot;CH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, , 5232, Villigen PSI, Switzerland&quot;,&#xA;    &quot;Originator&quot;: &quot;Weingartner, Ernest, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Collaud Coen, Martine, , , , , , , , , &quot;&#xA;}" />
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  <dimension name="pressure_qc_flags" length="1" />
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  <dimension name="temperature_1_qc_flags" length="2" />
  <dimension name="Wavelength" length="3" />
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    <attribute name="time_coverage_resolution" value="3927.0" />
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    <attribute name="metadata_creation" value="2026-06-21" />
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    <attribute name="ebas_framework_description" value=", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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="Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_comment" value="Anderson &amp; Ogren 1998 (Tab 4b) with Angstöm exponent determined from fit used for truncation correction. The applied STP correction takes into account a mean T=25°C and a mean P=655 hPa at the station lab." />
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    <attribute name="ebas_framework_acronym" value="CREATE, EMEP, GAW-WDCA" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Weingartner, Ernest, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Anderson &amp; Ogren 1998 (Tab 4b) with Angstöm exponent determined from fit used for truncation correction. The applied STP correction takes into account a mean T=25°C and a mean P=655 hPa at the station lab." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature_0" shape="Location time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_0_qc temperature_0_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="20260528092427" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="revision, STP level 2" />
    <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="1h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_latitude" value="46.55" />
    <attribute name="ebas_measurement_longitude" value="7.99" />
    <attribute name="ebas_measurement_altitude" value="3580.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
    <attribute name="ebas_unit" value="K" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="CH02L" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Weingartner, Ernest, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Anderson &amp; Ogren 1998 (Tab 4b) with Angstöm exponent determined from fit used for truncation correction. The applied STP correction takes into account a mean T=25°C and a mean P=655 hPa at the station lab." />
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  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
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    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_longitude" value="7.985" />
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    <attribute name="ebas_component" value="temperature" />
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    <attribute name="ebas_matrix" value="instrument" />
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    <attribute name="units" value="1/Mm" />
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    <attribute name="ebas_component" value="aerosol_light_backscattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_comment" value="Anderson &amp; Ogren 1998 (Tab 4b) with Angstöm exponent determined from fit used for truncation correction. The applied STP correction takes into account a mean T=25°C and a mean P=655 hPa at the station lab." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_station_name" value="Jungfraujoch" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
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    <attribute name="ebas_component" value="aerosol_light_backscattering_coefficient" />
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    <attribute name="ebas_matrix" value="aerosol" />
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  <variable name="aerosol_light_backscattering_coefficient_amean_1_ebasmetadata" shape="Wavelengthx metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="ebas_submitter" value="Collaud Coen, Martine, , , , , , , , , " />
    <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: CREATE, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Anderson &amp; Ogren 1998 (Tab 4b) with Angstöm exponent determined from fit used for truncation correction. The applied STP correction takes into account a mean T=25°C and a mean P=655 hPa at the station lab." />
  </variable>
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_light_scattering_coefficient_perc8413" shape="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="aerosol_light_scattering_coefficient_perc8413_qc aerosol_light_scattering_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="20260528092427" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="revision, STP level 2" />
    <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="1h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_latitude" value="46.55" />
    <attribute name="ebas_measurement_longitude" value="7.99" />
    <attribute name="ebas_measurement_altitude" value="3580.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 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="CH02L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="TSI_3563_JFJ_dry" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3563" />
    <attribute name="ebas_instrument_serial_number" value="1043" />
    <attribute name="ebas_method_ref" value="CH02L_Neph_3563" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Anderson1998" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="TSP at heated inlet, Digitel, flow &gt;100 l/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Heated inlet. Sample dried to below 20% RH due to the heated inlet" />
    <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="0.2 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="0.2 1/Mm for scattering coef at 550m,, and 0.1 1/Mm for backscattering coef at 550 nm (Anderson &amp; Ogren 1996). Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="CH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, , 5232, Villigen PSI, Switzerland" />
    <attribute name="ebas_framework_acronym" value="CREATE, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value=", The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., 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="Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Weingartner, Ernest, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Collaud Coen, Martine, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Anderson &amp; Ogren 1998 (Tab 4b) with Angstöm exponent determined from fit used for truncation correction. The applied STP correction takes into account a mean T=25°C and a mean P=655 hPa at the station lab." />
  </variable>
  <variable name="aerosol_light_scattering_coefficient_perc8413_qc" shape="Wavelength aerosol_light_scattering_coefficient_perc8413_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_light_scattering_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="Location" shape="Location" type="String" />
  <variable name="Wavelength" shape="Wavelength" type="double" />
  <variable name="Wavelengthx" shape="Wavelengthx" type="double" />
</netcdf>
