<?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="Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Ispra" />
  <attribute name="summary" value="Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Ispra. These measurements are gathered as a part of the following projects EMEP, EUSAAR, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['attenuation_coefficient in pm10 (mass_concentration_of_attenuation_coefficient_in_pm10_in_air)', 'bypass_fraction in pm10 (mass_concentration_of_bypass_fraction_in_pm10_in_air)', 'equivalent_black_carbon in pm10 (mass_concentration_of_equivalent_black_carbon_in_pm10_in_air)', 'flow_rate in pm10', 'reference_beam_signal in pm10 (mass_concentration_of_reference_beam_signal_in_pm10_in_air)', 'reference_zero_signal in pm10 (mass_concentration_of_reference_zero_signal_in_pm10_in_air)', 'sensing_beam_signal in pm10 (mass_concentration_of_sensing_beam_signal_in_pm10_in_air)', 'sensing_zero_signal in pm10 (mass_concentration_of_sensing_zero_signal_in_pm10_in_air)']" />
  <attribute name="keywords" value="Ispra IT0004R attenuation_coefficient bypass_fraction equivalent_black_carbon flow_rate reference_beam_signal reference_zero_signal sensing_beam_signal sensing_zero_signal pm10 EMEP EUSAAR GAW-WDCA mass_concentration_of_attenuation_coefficient_in_pm10_in_air mass_concentration_of_bypass_fraction_in_pm10_in_air mass_concentration_of_equivalent_black_carbon_in_pm10_in_air mass_concentration_of_reference_beam_signal_in_pm10_in_air mass_concentration_of_reference_zero_signal_in_pm10_in_air mass_concentration_of_sensing_beam_signal_in_pm10_in_air mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
  <attribute name="id" value="QY38-EWVY.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, EUSAAR, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/QY38-EWVY" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Putaud, J., EMEP, EUSAAR, GAW-WDCA, 2012, Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Ispra, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QY38-EWVY" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IT04L &quot;EC Joint Research Centre&quot; EC-JRC-IES &quot;Institute for Environment and Sustainability&quot; &quot;Via Enrico Fermi 2749&quot; 21027 Ispra Italy" />
  <attribute name="date_created" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="date_metadata_modified" value="2012-07-25T00:00:00Z" />
  <attribute name="creator_name" value="JP Putaud" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="jean.putaud@jrc.ec.europa.eu" />
  <attribute name="creator_institution" value="&quot;EC Joint Research Centre, Institute for Environment and Sustainability, EC-JRC-IES&quot;" />
  <attribute name="contributor_name" value="JP Putaud" />
  <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" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (8.633333 45.8 209)" />
  <attribute name="geospatial_lat_min" type="double" value="45.8" />
  <attribute name="geospatial_lat_max" type="double" value="45.8" />
  <attribute name="geospatial_lon_min" type="double" value="8.633333" />
  <attribute name="geospatial_lon_max" type="double" value="8.633333" />
  <attribute name="geospatial_vertical_min" type="double" value="209.0" />
  <attribute name="geospatial_vertical_max" type="double" value="209.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2007-01-01T00:05:00Z" />
  <attribute name="time_coverage_end" value="2008-01-01T00:05:00Z" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T00:00:00" />
  <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="Putaud, J., EMEP, EUSAAR, GAW-WDCA, 2012, Attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal and sensing_zero_signal at Ispra, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QY38-EWVY" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="QY38-EWVY.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/QY38-EWVY" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/QY38-EWVY" />
  <attribute name="ebas_file_creation" value="2026-05-16T18:10:30.884938Z" />
  <attribute name="ebas_export_state" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2007-01-01T00:05:00.000000Z" />
  <attribute name="ebas_revision_date" value="2012-07-25T00:00:00.000000Z" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="10mn" />
  <attribute name="ebas_station_code" value="IT0004R" />
  <attribute name="ebas_platform_code" value="IT0004S" />
  <attribute name="ebas_station_name" value="Ispra" />
  <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
  <attribute name="ebas_station_gaw_id" value="IPR" />
  <attribute name="ebas_station_gaw_name" value="Ispra" />
  <attribute name="ebas_station_land_use" value="Other" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="45.8" />
  <attribute name="ebas_station_longitude" type="double" value="8.633333" />
  <attribute name="ebas_station_altitude" value="209.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="IT04L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="MageeAE31" />
  <attribute name="ebas_method_ref" value="IT04L_bc" />
  <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
  <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
  <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <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="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="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="52560" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="d_Wavelength" length="7" />
  <dimension name="qc_attenuation_coefficient_flags" length="1" />
  <dimension name="qc_bypass_fraction_flags" length="1" />
  <dimension name="qc_equivalent_black_carbon_flags" length="1" />
  <dimension name="d_Location" length="1" />
  <dimension name="qc_flow_rate_flags" length="1" />
  <dimension name="qc_reference_beam_signal_flags" length="1" />
  <dimension name="qc_reference_zero_signal_flags" length="1" />
  <dimension name="qc_sensing_beam_signal_flags" length="1" />
  <dimension name="qc_sensing_zero_signal_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2007-01-01T00:10:00Z" />
    <attribute name="time_coverage_end" value="2008-01-01T00:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT23H50M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </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="v_attenuation_coefficient" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_attenuation_coefficient_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_attenuation_coefficient meta_attenuation_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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="attenuation_coefficient" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_attenuation_coefficient" shape="d_Wavelength qc_attenuation_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_attenuation_coefficient" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_bypass_fraction" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bypass_fraction_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_bypass_fraction meta_bypass_fraction" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bypass_fraction" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_bypass_fraction" shape="d_Wavelength qc_bypass_fraction_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_bypass_fraction" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_equivalent_black_carbon" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_equivalent_black_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_equivalent_black_carbon meta_equivalent_black_carbon" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="equivalent_black_carbon" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleequivalentblackcarbonmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle equivalent black carbon mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM10" />
    <attribute name="actris_matrix_preferred_term" value="PM10" />
    <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/filterabsorptionphotometer" />
    <attribute name="actris_instrument_type_preferred_term" value="filter absorption photometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/EUSAAR, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="PT0S" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_equivalent_black_carbon" shape="d_Wavelength qc_equivalent_black_carbon_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_equivalent_black_carbon" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_flow_rate" shape="d_Location time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="l/min" />
    <attribute name="ancillary_variables" value="qc_flow_rate meta_flow_rate" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="flow_rate" />
    <attribute name="ebas_unit" value="l/min" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_flow_rate" shape="d_Location qc_flow_rate_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_flow_rate" shape="d_Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_reference_beam_signal" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_reference_beam_signal meta_reference_beam_signal" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_reference_beam_signal" shape="d_Wavelength qc_reference_beam_signal_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_reference_beam_signal" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_reference_zero_signal" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_reference_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_reference_zero_signal meta_reference_zero_signal" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="reference_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_reference_zero_signal" shape="d_Wavelength qc_reference_zero_signal_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_reference_zero_signal" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sensing_beam_signal" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_beam_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_sensing_beam_signal meta_sensing_beam_signal" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_beam_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_sensing_beam_signal" shape="d_Wavelength qc_sensing_beam_signal_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_sensing_beam_signal" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sensing_zero_signal" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="qc_sensing_zero_signal meta_sensing_zero_signal" />
    <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="2012-07-25T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IT0004R" />
    <attribute name="ebas_platform_code" value="IT0004S" />
    <attribute name="ebas_station_name" value="Ispra" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__IPR" />
    <attribute name="ebas_station_gaw_id" value="IPR" />
    <attribute name="ebas_station_gaw_name" value="Ispra" />
    <attribute name="ebas_station_land_use" value="Other" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="45.8" />
    <attribute name="ebas_station_longitude" type="double" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="MageeAE31" />
    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_organization" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
    <attribute name="ebas_framework_acronym" value="EMEP, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, European Supersites for Atmospheric Aerosol Research, 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., &quot;Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change.&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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Putaud, JP, jean.putaud@jrc.ec.europa.eu, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&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: EMEP, EUSAAR, GAW-WDCA." />
  </variable>
  <variable name="qc_sensing_zero_signal" shape="d_Wavelength qc_sensing_zero_signal_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_sensing_zero_signal" 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_Wavelength" shape="d_Wavelength" type="double" />
  <variable name="d_Location" shape="d_Location" type="String" />
</netcdf>
