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  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at Montseny (ES1778R)" />
  <attribute name="keywords" value="GAW-WDCA, ACTRIS, ES1778R, pm10, Montseny, aerosol_absorption_coefficient" />
  <attribute name="id" value="GWY7-V75X.nc" />
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  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/GWY7-V75X" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Andres Alastuey, Marco Pandolfi, Marina Ealo, aerosol_absorption_coefficient - filter_absorption_photometer at Montseny, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/GWY7-V75X" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at Montseny (ES1778R). These measurements are gathered as a part of the following projects ACTRIS, 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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Jordi Girona 18-26, 08034, Barcelona, Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-02-05T21:30:01 UTC" />
  <attribute name="date_metadata_modified" value="2019-02-05T21:30:01 UTC" />
  <attribute name="creator_name" value="Andres Alastuey, Marco Pandolfi, Marina Ealo" />
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  <attribute name="contributor_name" value="Marco Pandolfi, Marina Ealo" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
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  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
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  <attribute name="ebas_platform_code" value="ES1778S" />
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  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
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  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="Thermo_5012_MSY_pm10" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
  <attribute name="ebas_instrument_model" value="5012" />
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  <attribute name="ebas_standard_method" value="Multi-angle_Correction=Petzold2004" />
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  <attribute name="ebas_inlet_description" value="PM10 Partisol, flow 16.7 l/min, connected to dryer and splitter" />
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  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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 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." />
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  <attribute name="ebas_originator" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
  <attribute name="ebas_submitter" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
  <attribute name="ebas_comment" value="Hourly mean absorption coefficients referenced to standard T and P" />
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  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Andres Alastuey, Marco Pandolfi, Marina Ealo, aerosol_absorption_coefficient - filter_absorption_photometer at Montseny, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/GWY7-V75X&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;GWY7-V75X.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/GWY7-V75X&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/GWY7-V75X&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-10T17:28:21.587528 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2018-08-08T07:01:39.713000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20151231230412&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190205213001&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;Hourly means absorption coefficients referenced to standard T and P&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1h&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1mn&quot;,&#xA;    &quot;Station code&quot;: &quot;ES1778R&quot;,&#xA;    &quot;Platform code&quot;: &quot;ES1778S&quot;,&#xA;    &quot;Station name&quot;: &quot;Montseny&quot;,&#xA;    &quot;Station latitude&quot;: &quot;41.766667&quot;,&#xA;    &quot;Station longitude&quot;: &quot;2.35&quot;,&#xA;    &quot;Station altitude&quot;: &quot;700.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;41.46&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;2.21&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;720.0 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;ES05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Thermo_5012_MSY_pm10&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Thermo&quot;,&#xA;    &quot;Instrument model&quot;: &quot;5012&quot;,&#xA;    &quot;Method ref&quot;: &quot;ES95L_abs_coef&quot;,&#xA;    &quot;Standard method&quot;: &quot;Multi-angle_Correction=Petzold2004&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10 Partisol, flow 16.7 l/min, connected to dryer and splitter&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Temperature conditioning at 30 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;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;ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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;Cathrine Lund Myhre, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain&quot;,&#xA;    &quot;Submitter&quot;: &quot;Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain&quot;,&#xA;    &quot;Comment&quot;: &quot;Hourly mean absorption coefficients referenced to standard T and P&quot;&#xA;}" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_submitter" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_comment" value="Hourly mean absorption coefficients referenced to standard T and P" />
  </variable>
  <variable name="temperature_qc" shape="temperature_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="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" 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_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="20190205212947" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Hourly means absorption coefficients referenced to standard T and P" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" value="41.766667" />
    <attribute name="ebas_station_longitude" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="41.46" />
    <attribute name="ebas_measurement_longitude" value="2.21" />
    <attribute name="ebas_measurement_altitude" value="720.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_MSY_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_method_ref" value="ES95L_abs_coef" />
    <attribute name="ebas_standard_method" value="Multi-angle_Correction=Petzold2004" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 Partisol, flow 16.7 l/min, connected to dryer and splitter" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 30 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" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise characteristics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="6.0 %" />
    <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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 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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_submitter" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_comment" value="Hourly mean absorption coefficients referenced to standard T and P" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_qc" shape="aerosol_absorption_coefficient_amean_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_amean_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_prec1587" 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_prec1587_qc aerosol_absorption_coefficient_prec1587_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20190205212954" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Hourly means absorption coefficients referenced to standard T and P" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" value="41.766667" />
    <attribute name="ebas_station_longitude" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="41.46" />
    <attribute name="ebas_measurement_longitude" value="2.21" />
    <attribute name="ebas_measurement_altitude" value="720.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_MSY_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_method_ref" value="ES95L_abs_coef" />
    <attribute name="ebas_standard_method" value="Multi-angle_Correction=Petzold2004" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 Partisol, flow 16.7 l/min, connected to dryer and splitter" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 30 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" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise characteristics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="6.0 %" />
    <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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 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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_submitter" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_comment" value="Hourly mean absorption coefficients referenced to standard T and P" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_qc" shape="aerosol_absorption_coefficient_prec1587_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_prec1587_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_perc8413" 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_perc8413_qc aerosol_absorption_coefficient_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20190205213001" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Hourly means absorption coefficients referenced to standard T and P" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" value="41.766667" />
    <attribute name="ebas_station_longitude" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="41.46" />
    <attribute name="ebas_measurement_longitude" value="2.21" />
    <attribute name="ebas_measurement_altitude" value="720.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_MSY_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_method_ref" value="ES95L_abs_coef" />
    <attribute name="ebas_standard_method" value="Multi-angle_Correction=Petzold2004" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 Partisol, flow 16.7 l/min, connected to dryer and splitter" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 30 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" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise characteristics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="6.0 %" />
    <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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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 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, Markus Fiebig" />
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    <attribute name="ebas_submitter" value="Ealo, Marina, marina.ealo@idaea.csic.es, IDAEA, , CSIC, C/ Jordi Girona 18-26, 08034, , Barcelona, Spain" />
    <attribute name="ebas_comment" value="Hourly mean absorption coefficients referenced to standard T and P" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_qc" shape="aerosol_absorption_coefficient_perc8413_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_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>
