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  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at K-puszta (HU0002R)" />
  <attribute name="keywords" value="K-puszta, NOAA-ESRL, GAW-WDCA, ACTRIS, pm10, HU0002R, aerosol_absorption_coefficient, EMEP" />
  <attribute name="id" value="88ZN-36EE.nc" />
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  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCA, NOAA-ESRL" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/88ZN-36EE" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Andras Hoffer, Andras Hoffer, aerosol_absorption_coefficient - filter_absorption_photometer at K-puszta, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/88ZN-36EE" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at K-puszta (HU0002R). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA, NOAA-ESRL 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="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, 1675, Budapest, Hungary" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-03-04T08:11:57 UTC" />
  <attribute name="date_metadata_modified" value="2020-03-04T08:11:57 UTC" />
  <attribute name="creator_name" value="Andras Hoffer, Andras Hoffer" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="hoffera@almos.uni-pannon.hu, hoffera@almos.uni-pannon.hu" />
  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Andras Hoffer, Andras Hoffer" />
  <attribute name="contributor_role" value="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" />
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  <attribute name="ebas_period_code" value="2y" />
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  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
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  <attribute name="ebas_station_altitude" value="125.0 m" />
  <attribute name="ebas_measurement_height" value="10.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="HU01L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
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  <attribute name="ebas_instrument_model" value="CLAP-3W" />
  <attribute name="ebas_instrument_serial_number" value="Unknown" />
  <attribute name="ebas_method_ref" value="HU01L_abs_coef" />
  <attribute name="ebas_standard_method" value="Single-angle_Correction=Bond1999" />
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  <attribute name="ebas_inlet_description" value="Impactor at 10um" />
  <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
  <attribute name="ebas_humidity_temperaure_control_description" value="Dilution drying" />
  <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="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA, NOAA-ESRL" />
  <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, Markus Fiebig" />
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  <attribute name="ebas_originator" value="Hoffer, Andras, hoffera@almos.uni-pannon.hu, , , , , , , , " />
  <attribute name="ebas_submitter" value="Hoffer, Andras, hoffera@almos.uni-pannon.hu, , , , , , , , " />
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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;Andras Hoffer, Andras Hoffer, aerosol_absorption_coefficient - filter_absorption_photometer at K-puszta, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/88ZN-36EE&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;88ZN-36EE.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/88ZN-36EE&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/88ZN-36EE&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-12T10:27:08.067895 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-08-08T13:44:37.573000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20140101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200304081157&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;Version numbering not tracked, generated by data.aggregate.ebas r4678&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;2y&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;HU0002R&quot;,&#xA;    &quot;Platform code&quot;: &quot;HU0002S&quot;,&#xA;    &quot;Station name&quot;: &quot;K-puszta&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAHU__KPS&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;KPS&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;K-Puszta&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;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;46.966667&quot;,&#xA;    &quot;Station longitude&quot;: &quot;19.583333&quot;,&#xA;    &quot;Station altitude&quot;: &quot;125.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;HU01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;GMD_CLAP-3W_KPS_pm10&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;NOAA/ESRL/GMD&quot;,&#xA;    &quot;Instrument model&quot;: &quot;CLAP-3W&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;Unknown&quot;,&#xA;    &quot;Method ref&quot;: &quot;HU01L_abs_coef&quot;,&#xA;    &quot;Standard method&quot;: &quot;Single-angle_Correction=Bond1999&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Impactor at 10um&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Other (see metadata)&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;Dilution drying&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;HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCA, NOAA-ESRL&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_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <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="46.966667" />
    <attribute name="ebas_station_longitude" value="19.583333" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
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    <attribute name="ebas_laboratory_code" value="HU01L" />
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    <attribute name="ebas_instrument_model" value="CLAP-3W" />
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    <attribute name="ebas_inlet_description" value="Impactor at 10um" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <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_description" value="Version numbering not tracked, generated by data.aggregate.ebas r4678" />
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    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
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    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_longitude" value="19.583333" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
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    <attribute name="ebas_inlet_description" value="Impactor at 10um" />
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    <attribute name="ebas_station_longitude" value="19.583333" />
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    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Bond1999-K1=0.02" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_1_qc" shape="aerosol_absorption_coefficient_perc8413_1_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="aerosol_absorption_coefficient_perc8413_1_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_2" 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_2_qc aerosol_absorption_coefficient_perc8413_2_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="20200304081157" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="Version numbering not tracked, generated by data.aggregate.ebas r4678" />
    <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="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <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="46.966667" />
    <attribute name="ebas_station_longitude" value="19.583333" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="GMD_CLAP-3W_KPS_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="NOAA/ESRL/GMD" />
    <attribute name="ebas_instrument_model" value="CLAP-3W" />
    <attribute name="ebas_instrument_serial_number" value="Unknown" />
    <attribute name="ebas_method_ref" value="HU01L_abs_coef" />
    <attribute name="ebas_standard_method" value="Single-angle_Correction=Bond1999" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Impactor at 10um" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Dilution drying" />
    <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="0.03 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument noise on filtered air (2 standard deviations), no detection limit flag used" />
    <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="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA, NOAA-ESRL" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Bond1999-K1=0.02" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_2_qc" shape="aerosol_absorption_coefficient_perc8413_2_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="aerosol_absorption_coefficient_perc8413_2_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>
