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  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at Ispra (IT0004R)" />
  <attribute name="keywords" value="GAW-WDCA, Ispra, pm10, IT0004R, EUSAAR, aerosol_absorption_coefficient" />
  <attribute name="id" value="QPRV-2UV5.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EUSAAR, GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/QPRV-2UV5" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="JP Putaud, JP Putaud, JP Putaud, aerosol_absorption_coefficient - filter_absorption_photometer at Ispra, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QPRV-2UV5" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at Ispra (IT0004R). These measurements are gathered as a part of the following projects EUSAAR, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, 21027, Ispra, Italy" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2016-07-07T16:31:09 UTC" />
  <attribute name="date_metadata_modified" value="2016-07-07T16:31:09 UTC" />
  <attribute name="creator_name" value="JP Putaud, JP Putaud, JP Putaud" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="jean.putaud@jrc.ec.europa.eu, jean.putaud@jrc.ec.europa.eu, jean.putaud@jrc.ec.europa.eu" />
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  <attribute name="contributor_name" value="JP Putaud, JP Putaud, JP Putaud" />
  <attribute name="contributor_role" value="data submitter, data submitter, 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 (45.8 8.633333 209.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="ebas_citation" value="JP Putaud, JP Putaud, JP Putaud, aerosol_absorption_coefficient - filter_absorption_photometer at Ispra, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QPRV-2UV5" />
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  <attribute name="ebas_revision_date" value="20160707163109" />
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  <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" value="6" />
  <attribute name="ebas_station_latitude" value="45.8" />
  <attribute name="ebas_station_longitude" value="8.633333" />
  <attribute name="ebas_station_altitude" value="209.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="IT04L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="MageeAE31" />
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  <attribute name="ebas_instrument_model" value="AE31" />
  <attribute name="ebas_method_ref" value="IT04L_bc" />
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  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Digitel, flow 220 l/min" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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  <attribute name="ebas_framework_acronym" value="EUSAAR, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="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., 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="Ann Mari Fjaeraa, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="amf@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="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" />
  <attribute name="ebas_submitter" value="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" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="ciao" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <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;JP Putaud, JP Putaud, JP Putaud, aerosol_absorption_coefficient - filter_absorption_photometer at Ispra, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QPRV-2UV5&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;QPRV-2UV5.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/QPRV-2UV5&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/QPRV-2UV5&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-14T02:39:19.963392 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-07-07T16:31:09.327000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20080101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20160707163109&quot;,&#xA;    &quot;Version&quot;: &quot;2&quot;,&#xA;    &quot;Version description&quot;: &quot;sens_beam includ -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;10mn&quot;,&#xA;    &quot;Station code&quot;: &quot;IT0004R&quot;,&#xA;    &quot;Platform code&quot;: &quot;IT0004S&quot;,&#xA;    &quot;Station name&quot;: &quot;Ispra&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAIT__IPR&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;IPR&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Ispra&quot;,&#xA;    &quot;Station land use&quot;: &quot;Other&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;45.8&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.633333&quot;,&#xA;    &quot;Station altitude&quot;: &quot;209.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;IT04L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;MageeAE31&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Magee&quot;,&#xA;    &quot;Instrument model&quot;: &quot;AE31&quot;,&#xA;    &quot;Method ref&quot;: &quot;IT04L_bc&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=GAW227&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10 at ambient humidity inlet, Digitel, flow 220 l/min&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;passive, sample heated from atmospheric to lab temperature&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;EUSAAR, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &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., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Ann Mari Fjaeraa, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;amf@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &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;,&#xA;    &quot;Submitter&quot;: &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;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;ciao&quot;&#xA;}" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160707163109" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="sens_beam includ -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <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="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" value="6" />
    <attribute name="ebas_station_latitude" value="45.8" />
    <attribute name="ebas_station_longitude" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
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    <attribute name="ebas_instrument_manufacturer" value="Magee" />
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    <attribute name="ebas_method_ref" value="IT04L_bc" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Digitel, flow 220 l/min" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="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="EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., 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="Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="amf@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="ciao" />
  </variable>
  <variable name="relative_humidity_qc" shape="relative_humidity_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="relative_humidity_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="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_qc temperature_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="20160707163109" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="sens_beam includ -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <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="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" value="6" />
    <attribute name="ebas_station_latitude" value="45.8" />
    <attribute name="ebas_station_longitude" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
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    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="IT04L" />
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    <attribute name="ebas_method_ref" value="IT04L_bc" />
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    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Digitel, flow 220 l/min" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <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="IT04L, EC Joint Research Centre, EC-JRC-IES, Institute for Environment and Sustainability, Via Enrico Fermi 2749, , 21027, Ispra, Italy" />
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    <attribute name="ebas_framework_name" value="European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols" />
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    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjaeraa, Markus Fiebig" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="ciao" />
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  <variable name="temperature_qc" shape="temperature_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_0_qc aerosol_absorption_coefficient_amean_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="sens_beam includ -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <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="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" value="6" />
    <attribute name="ebas_station_latitude" value="45.8" />
    <attribute name="ebas_station_longitude" value="8.633333" />
    <attribute name="ebas_station_altitude" value="209.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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  <variable name="aerosol_absorption_coefficient_amean_0_qc" shape="aerosol_absorption_coefficient_amean_0_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="sens_beam includ -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_latitude" value="45.8" />
    <attribute name="ebas_station_longitude" value="8.633333" />
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    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
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  <variable name="aerosol_absorption_coefficient_amean_1_qc" shape="aerosol_absorption_coefficient_amean_1_qc_flags time" type="int">
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  <variable name="aerosol_absorption_coefficient_amean_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="aerosol_absorption_coefficient_amean_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="sens_beam includ -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_longitude" value="8.633333" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
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    <attribute name="ebas_comment" value="ciao" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_6_qc" shape="aerosol_absorption_coefficient_perc8413_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_6_ebasmetadata" shape="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>
</netcdf>
