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  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at Puy de Dôme (FR0030R)" />
  <attribute name="keywords" value="aerosol, GAW-WDCA, volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles, ACTRIS, flow_rate, Puy de Dôme, aerosol_absorption_coefficient, EMEP, FR0030R" />
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  <attribute name="doi" value="https://doi.org/10.48597/8SRH-YMNW" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Karine Sellegri, aerosol_absorption_coefficient, flow_rate - filter_absorption_photometer at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8SRH-YMNW" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at Puy de Dôme (FR0030R). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles), flow_rate in aerosol" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR04L, CNRS-LaMP, Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2017-02-28T13:50:08 UTC" />
  <attribute name="date_metadata_modified" value="2017-02-28T13:50:08 UTC" />
  <attribute name="creator_name" value="Karine Sellegri" />
  <attribute name="creator_type" value="person" />
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  <attribute name="contributor_name" value="Jean-Marc Pichon" />
  <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" />
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  <attribute name="ebas_laboratory_code" value="FR04L" />
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  <attribute name="ebas_inlet_description" value="Whole air inlet" />
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  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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  <attribute name="ebas_originator" value="Sellegri, Karine, k.sellegri@opgc.fr, CNRS-LaMP, Campus des Cezea, , 24 avenue des Landais, , 63177, Aubiere, France" />
  <attribute name="ebas_submitter" value="Pichon, Jean-Marc, , , , , , , , , " />
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  <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;Karine Sellegri, aerosol_absorption_coefficient, flow_rate - filter_absorption_photometer at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8SRH-YMNW&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;8SRH-YMNW.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/8SRH-YMNW&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/8SRH-YMNW&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T08:43:42.204162 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2017-08-02T08:37:58.110000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20130101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20170228135008&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;Initial version&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&quot;,&#xA;    &quot;Station code&quot;: &quot;FR0030R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FR0030S&quot;,&#xA;    &quot;Station name&quot;: &quot;Puy de Dôme&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;PUY&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;45.772223&quot;,&#xA;    &quot;Station longitude&quot;: &quot;2.964886&quot;,&#xA;    &quot;Station altitude&quot;: &quot;1465.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;45.772&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;2.966&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;1465.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FR04L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Thermo_5012_PUY&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Thermo&quot;,&#xA;    &quot;Instrument model&quot;: &quot;5012&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR04L_abs_coef_5012&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Whole air inlet&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Temperature conditioning at 25 deg. C&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;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability as estimated by Bond et al., 1999.&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. 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    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_PUY" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_method_ref" value="FR04L_abs_coef_5012" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Whole air inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 25 deg. C" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero 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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Sellegri, Karine, k.sellegri@opgc.fr, CNRS-LaMP, Campus des Cezea, , 24 avenue des Landais, , 63177, Aubiere, France" />
    <attribute name="ebas_submitter" value="Pichon, Jean-Marc, , , , , , , , , " />
  </variable>
  <variable name="temperature_qc" shape="Location temperature_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean" shape="Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_absorption_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_absorption_coefficient_amean_qc aerosol_absorption_coefficient_amean_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="20170228135008" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Initial version" />
    <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="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
    <attribute name="ebas_station_gaw_id" value="PUY" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="45.772223" />
    <attribute name="ebas_station_longitude" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="45.772" />
    <attribute name="ebas_measurement_longitude" value="2.966" />
    <attribute name="ebas_measurement_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_PUY" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
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    <attribute name="ebas_method_ref" value="FR04L_abs_coef_5012" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Whole air inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 25 deg. C" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.1 1/Mm" />
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    <attribute name="ebas_measurement_uncertainty" value="6.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero 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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Sellegri, Karine, k.sellegri@opgc.fr, CNRS-LaMP, Campus des Cezea, , 24 avenue des Landais, , 63177, Aubiere, France" />
    <attribute name="ebas_submitter" value="Pichon, Jean-Marc, , , , , , , , , " />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_qc" shape="Wavelength aerosol_absorption_coefficient_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_ebasmetadata" shape="Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587" shape="Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles" />
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    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_qc aerosol_absorption_coefficient_prec1587_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="Initial version" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
    <attribute name="ebas_station_gaw_id" value="PUY" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="45.772223" />
    <attribute name="ebas_station_longitude" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="45.772" />
    <attribute name="ebas_measurement_longitude" value="2.966" />
    <attribute name="ebas_measurement_altitude" value="1465.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
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    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Whole air inlet" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero 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="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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  <variable name="aerosol_absorption_coefficient_prec1587_qc" shape="Wavelength aerosol_absorption_coefficient_prec1587_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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  <variable name="aerosol_absorption_coefficient_perc8413" shape="Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles" />
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    <attribute name="ebas_version_description" value="Initial version" />
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    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="FR0030R" />
    <attribute name="ebas_platform_code" value="FR0030S" />
    <attribute name="ebas_station_name" value="Puy de Dôme" />
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    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Mountain" />
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    <attribute name="ebas_station_latitude" value="45.772223" />
    <attribute name="ebas_station_longitude" value="2.964886" />
    <attribute name="ebas_station_altitude" value="1465.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="45.772" />
    <attribute name="ebas_measurement_longitude" value="2.966" />
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    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
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    <attribute name="ebas_inlet_description" value="Whole air inlet" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Sellegri, Karine, k.sellegri@opgc.fr, CNRS-LaMP, Campus des Cezea, , 24 avenue des Landais, , 63177, Aubiere, France" />
    <attribute name="ebas_submitter" value="Pichon, Jean-Marc, , , , , , , , , " />
  </variable>
  <variable name="flow_rate_qc" shape="Location flow_rate_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="flow_rate_ebasmetadata" shape="Location 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" />
</netcdf>
