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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of aerosol_absorption_coefficient at BEO Moussala (BG0001R) using filter_absorption_photometer" />
  <attribute name="keywords" value="NOAA-ESRL, aerosol, BEO Moussala, GAW-WDCA, volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles, ACTRIS, BG0001R, aerosol_absorption_coefficient" />
  <attribute name="id" value="9P2V-AZB6.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA, NOAA-ESRL" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/9P2V-AZB6" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Ivo Emilov Kalapov, aerosol_absorption_coefficient - filter_absorption_photometer at BEO Moussala, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/9P2V-AZB6" />
  <attribute name="summary" value="Ground based in situ observations of aerosol_absorption_coefficient at BEO Moussala (BG0001R) using filter_absorption_photometer. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA, NOAA-ESRL 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)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="BG02L, Name not reported" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2014-12-19T10:04:46 UTC" />
  <attribute name="date_metadata_modified" value="2014-12-19T10:04:46 UTC" />
  <attribute name="creator_name" value="Ivo Emilov Kalapov" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Ivo Emilov Kalapov" />
  <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" />
  <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/" />
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  <attribute name="time_coverage_start" value="2013-01-01T00:00:00 UTC" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_citation" value="Ivo Emilov Kalapov, aerosol_absorption_coefficient - filter_absorption_photometer at BEO Moussala, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/9P2V-AZB6" />
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  <attribute name="ebas_file_creation" value="2023-12-08T18:02:33.155893 UTC" />
  <attribute name="ebas_export_state" value="2014-12-19T10:04:45.167000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20130101000000" />
  <attribute name="ebas_revision_date" value="20141219100446" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="Version numbering not tracked, generated by data.aggregate.ebas r4437" />
  <attribute name="ebas_statistics" value="percentile:84.13" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <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="BG0001R" />
  <attribute name="ebas_platform_code" value="BG0001S" />
  <attribute name="ebas_station_name" value="BEO Moussala" />
  <attribute name="ebas_station_latitude" value="42.166667" />
  <attribute name="ebas_station_longitude" value="23.583333" />
  <attribute name="ebas_station_altitude" value="2971.0 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="aerosol" />
  <attribute name="ebas_laboratory_code" value="BG02L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="GMD_CLAP-3W_BEO" />
  <attribute name="ebas_instrument_manufacturer" value="NOAA/ESRL/GMD" />
  <attribute name="ebas_instrument_model" value="CLAP-3W" />
  <attribute name="ebas_instrument_serial_number" value="22" />
  <attribute name="ebas_method_ref" value="BG02L_abs_coef" />
  <attribute name="ebas_standard_method" value="Single-angle_Correction=Bond1999" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <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="0.03 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="BG02L, Name not reported, , , , , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA, NOAA-ESRL" />
  <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, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Kalapov, Ivo Emilov, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Kalapov, Ivo Emilov, , , , , , , , , " />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Ivo Emilov Kalapov, aerosol_absorption_coefficient - filter_absorption_photometer at BEO Moussala, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/9P2V-AZB6&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;9P2V-AZB6.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/9P2V-AZB6&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/9P2V-AZB6&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T18:02:33.155893 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2014-12-19T10:04:45.167000 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;20141219100446&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;Version numbering not tracked, generated by data.aggregate.ebas r4437&quot;,&#xA;    &quot;Statistics&quot;: &quot;percentile:84.13&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;1mn&quot;,&#xA;    &quot;Station code&quot;: &quot;BG0001R&quot;,&#xA;    &quot;Platform code&quot;: &quot;BG0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;BEO Moussala&quot;,&#xA;    &quot;Station latitude&quot;: &quot;42.166667&quot;,&#xA;    &quot;Station longitude&quot;: &quot;23.583333&quot;,&#xA;    &quot;Station altitude&quot;: &quot;2971.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;aerosol_absorption_coefficient&quot;,&#xA;    &quot;Unit&quot;: &quot;1/Mm&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;BG02L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;GMD_CLAP-3W_BEO&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;22&quot;,&#xA;    &quot;Method ref&quot;: &quot;BG02L_abs_coef&quot;,&#xA;    &quot;Standard method&quot;: &quot;Single-angle_Correction=Bond1999&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&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;Detection limit&quot;: &quot;0.03 1/Mm&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by instrument noise on filtered air (2 standard deviations), no detection limit flag used&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;BG02L, Name not reported, , , , , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA, NOAA-ESRL&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, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Kalapov, Ivo Emilov, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Kalapov, Ivo Emilov, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Bond1999-K1=0.02&quot;&#xA;}" />
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