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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at Pallas (Sammaltunturi) (FI0096G)" />
  <attribute name="keywords" value="aerosol_absorption_coefficient, Pallas (Sammaltunturi), GAW-WDCA, ACTRIS, pm10, FI0096G, EMEP" />
  <attribute name="id" value="YP6Q-G26N.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/YP6Q-G26N" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Antti Hyvärinen, John Backman, aerosol_absorption_coefficient - filter_absorption_photometer at Pallas (Sammaltunturi), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YP6Q-G26N" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at Pallas (Sammaltunturi) (FI0096G). 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 pm10, aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-01-10T11:03:33 UTC" />
  <attribute name="date_metadata_modified" value="2019-01-10T11:03:33 UTC" />
  <attribute name="creator_name" value="Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Antti Hyvärinen, John Backman" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", john.Backman@fmi.fi, , john.Backman@fmi.fi, , john.Backman@fmi.fi, , john.Backman@fmi.fi, heikki.lihavainen@fmi.fi, john.backman@fmi.fi" />
  <attribute name="creator_institution" value=", &quot;Finnish Meteorological Institute, FMI&quot;, , &quot;Finnish Meteorological Institute, FMI&quot;, , &quot;Finnish Meteorological Institute, FMI&quot;, , &quot;Finnish Meteorological Institute, FMI&quot;, &quot;Finnish Meteorological Institute, FMI&quot;, &quot;Finnish Meteorological Institute, FMI&quot;" />
  <attribute name="contributor_name" value="John Backman, John Backman, John Backman, John Backman, John Backman" />
  <attribute name="contributor_role" value="data submitter, data submitter, 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 (67.97361 24.11583 560.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="time_coverage_start" value="2012-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2018-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0006-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_citation" value="Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Antti Hyvärinen, John Backman, aerosol_absorption_coefficient - filter_absorption_photometer at Pallas (Sammaltunturi), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YP6Q-G26N" />
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  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="YP6Q-G26N.nc" />
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  <attribute name="ebas_file_creation" value="2023-12-11T21:38:41.084414 UTC" />
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  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="FI0096G" />
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  <attribute name="ebas_station_name" value="Pallas (Sammaltunturi)" />
  <attribute name="ebas_station_wdca_id" value="GAWAFI__PAL" />
  <attribute name="ebas_station_gaw_id" value="PAL" />
  <attribute name="ebas_station_gaw_name" value="Pallas" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="67.973333333" />
  <attribute name="ebas_station_longitude" value="24.116111111" />
  <attribute name="ebas_station_altitude" value="565.0 m" />
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  <attribute name="ebas_measurement_altitude" value="560.0 m" />
  <attribute name="ebas_measurement_height" value="7.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FI01L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="Thermo_5012_PAL" />
  <attribute name="ebas_instrument_manufacturer" value="Thermo" />
  <attribute name="ebas_instrument_model" value="5012" />
  <attribute name="ebas_instrument_serial_number" value="N/A" />
  <attribute name="ebas_method_ref" value="FI01L_maap_control_lev2_0_0_1" />
  <attribute name="ebas_standard_method" value="Multi-angle_Correction=Petzold2004" />
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  <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Rupprecht&amp;Patachnik, flow 10 l/min" />
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  <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" />
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  <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="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
  <attribute name="ebas_originator" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
  <attribute name="ebas_submitter" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="BC concentration are in standard temperature and pressure" />
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  <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="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;Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Heikki Lihavainen, John Backman, Antti Hyvärinen, John Backman, aerosol_absorption_coefficient - filter_absorption_photometer at Pallas (Sammaltunturi), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YP6Q-G26N&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;YP6Q-G26N.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/YP6Q-G26N&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/YP6Q-G26N&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T21:38:41.084414 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-01-10T11:03:33.960000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20120101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190110110333&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;6y&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;FI0096G&quot;,&#xA;    &quot;Platform code&quot;: &quot;FI0096S&quot;,&#xA;    &quot;Station name&quot;: &quot;Pallas (Sammaltunturi)&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAFI__PAL&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;PAL&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Pallas&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;67.973333333&quot;,&#xA;    &quot;Station longitude&quot;: &quot;24.116111111&quot;,&#xA;    &quot;Station altitude&quot;: &quot;565.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;67.97361&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;24.11583&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;560.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;7.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FI01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Thermo_5012_PAL&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Thermo&quot;,&#xA;    &quot;Instrument model&quot;: &quot;5012&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;N/A&quot;,&#xA;    &quot;Method ref&quot;: &quot;FI01L_maap_control_lev2_0_0_1&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 at ambient humidity inlet, Rupprecht&amp;Patachnik, flow 10 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;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability&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;FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Originator&quot;: &quot;Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Submitter&quot;: &quot;Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;BC concentration are in standard temperature and pressure&quot;&#xA;}" />
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  <dimension name="tbnds" length="2" />
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  <dimension name="temperature_qc_flags" length="3" />
  <dimension name="aerosol_absorption_coefficient_amean_qc_flags" length="3" />
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    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_PAL" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_instrument_serial_number" value="N/A" />
    <attribute name="ebas_method_ref" value="FI01L_maap_control_lev2_0_0_1" />
    <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 at ambient humidity inlet, Rupprecht&amp;Patachnik, flow 10 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_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_originator" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="BC concentration are in standard temperature and pressure" />
  </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="20190110110333" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="FI0096G" />
    <attribute name="ebas_platform_code" value="FI0096S" />
    <attribute name="ebas_station_name" value="Pallas (Sammaltunturi)" />
    <attribute name="ebas_station_wdca_id" value="GAWAFI__PAL" />
    <attribute name="ebas_station_gaw_id" value="PAL" />
    <attribute name="ebas_station_gaw_name" value="Pallas" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="67.973333333" />
    <attribute name="ebas_station_longitude" value="24.116111111" />
    <attribute name="ebas_station_altitude" value="565.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="67.97361" />
    <attribute name="ebas_measurement_longitude" value="24.11583" />
    <attribute name="ebas_measurement_altitude" value="560.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 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="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_PAL" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_instrument_serial_number" value="N/A" />
    <attribute name="ebas_method_ref" value="FI01L_maap_control_lev2_0_0_1" />
    <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 at ambient humidity inlet, Rupprecht&amp;Patachnik, flow 10 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_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_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_originator" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="BC concentration are in standard temperature and pressure" />
  </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="20190110110333" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="FI0096G" />
    <attribute name="ebas_platform_code" value="FI0096S" />
    <attribute name="ebas_station_name" value="Pallas (Sammaltunturi)" />
    <attribute name="ebas_station_wdca_id" value="GAWAFI__PAL" />
    <attribute name="ebas_station_gaw_id" value="PAL" />
    <attribute name="ebas_station_gaw_name" value="Pallas" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="67.973333333" />
    <attribute name="ebas_station_longitude" value="24.116111111" />
    <attribute name="ebas_station_altitude" value="565.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="67.97361" />
    <attribute name="ebas_measurement_longitude" value="24.11583" />
    <attribute name="ebas_measurement_altitude" value="560.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 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="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_PAL" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_instrument_serial_number" value="N/A" />
    <attribute name="ebas_method_ref" value="FI01L_maap_control_lev2_0_0_1" />
    <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 at ambient humidity inlet, Rupprecht&amp;Patachnik, flow 10 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_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_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_originator" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="BC concentration are in standard temperature and pressure" />
  </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="20190110110333" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="FI0096G" />
    <attribute name="ebas_platform_code" value="FI0096S" />
    <attribute name="ebas_station_name" value="Pallas (Sammaltunturi)" />
    <attribute name="ebas_station_wdca_id" value="GAWAFI__PAL" />
    <attribute name="ebas_station_gaw_id" value="PAL" />
    <attribute name="ebas_station_gaw_name" value="Pallas" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="67.973333333" />
    <attribute name="ebas_station_longitude" value="24.116111111" />
    <attribute name="ebas_station_altitude" value="565.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="67.97361" />
    <attribute name="ebas_measurement_longitude" value="24.11583" />
    <attribute name="ebas_measurement_altitude" value="560.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 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="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Thermo_5012_PAL" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_instrument_model" value="5012" />
    <attribute name="ebas_instrument_serial_number" value="N/A" />
    <attribute name="ebas_method_ref" value="FI01L_maap_control_lev2_0_0_1" />
    <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 at ambient humidity inlet, Rupprecht&amp;Patachnik, flow 10 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_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_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="FI01L, Finnish Meteorological Institute, FMI, Atmospheric Composition Unit, Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_originator" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Backman, John, john.backman@fmi.fi, Finnish Meteorological Institute, FMI, , Erik Palmenin aukio 1, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="BC concentration are in standard temperature and pressure" />
  </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>
