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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Total_carbon at Beograd Ada Marina" />
  <attribute name="summary" value="Total_carbon at Beograd Ada Marina. These measurements are gathered as a part of the following projects WeBaSOOP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air)']" />
  <attribute name="keywords" value="&quot;Beograd Ada Marina&quot; RS0006U total_carbon pm25 WeBaSOOP mass_concentration_of_total_carbon_in_pm2p5_in_air" />
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  <attribute name="project" value="WeBaSOOP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/3YA2-Z4PX" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Jovasevic Stojanovic, M., Kleut, D., Stojanovic, D., Cirovic, Z., Davidovc, M., WeBaSOOP, 2026, Total_carbon at Beograd Ada Marina, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/3YA2-Z4PX" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="RS01L &quot;Vinca Institute of Nuclear Sciences&quot; &quot;Radiation and Environmental Protection Laboratory&quot; &quot;P.O.Box 522&quot; 11001 Belgrade Serbia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-02-09T12:51:23.194914Z" />
  <attribute name="date_metadata_modified" value="2026-02-09T12:48:29Z" />
  <attribute name="creator_name" value="Milena Jovasevic Stojanovic, Duska Kleut, Danka Stojanovic, Zeljko Cirovic, Milos Davidovc" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="mjovst@vin.bg.ac.rs, duska@vin.bg.ac.rs, , zeljko.cirovic@vin.bg.ac.rs, " />
  <attribute name="creator_institution" value="&quot;Vinca Institute of Nuclear Sciences, Horizon Europe Project WeBaSOOP, VINCA&quot;, &quot;Vinca Institute of Nuclear Sciences, Horizon Europe Project WeBaSOOP, VINCA&quot;, , &quot;Vinca Institute of Nuclear Sciences, VINCA&quot;, " />
  <attribute name="contributor_name" value="Duska Kleut" />
  <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/" />
  <attribute name="geospatial_bounds" value="POINT Z (20.417187 44.790286 71)" />
  <attribute name="geospatial_lat_min" type="double" value="44.790286" />
  <attribute name="geospatial_lat_max" type="double" value="44.790286" />
  <attribute name="geospatial_lon_min" type="double" value="20.417187" />
  <attribute name="geospatial_lon_max" type="double" value="20.417187" />
  <attribute name="geospatial_vertical_min" type="double" value="71.0" />
  <attribute name="geospatial_vertical_max" type="double" value="71.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2023-10-24T00:00:00Z" />
  <attribute name="time_coverage_end" value="2025-06-19T23:30:00Z" />
  <attribute name="time_coverage_duration" value="P0001-07-26T23:30:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Jovasevic Stojanovic, M., Kleut, D., Stojanovic, D., Cirovic, Z., Davidovc, M., WeBaSOOP, 2026, Total_carbon at Beograd Ada Marina, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/3YA2-Z4PX" />
  <attribute name="ebas_set_type_code" value="TI" />
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  <attribute name="ebas_file_creation" value="2026-05-22T01:58:19.312236Z" />
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  <attribute name="ebas_startdate" value="2023-10-24T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2026-02-09T12:48:29.305710Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="20mo" />
  <attribute name="ebas_resolution_code" value="30mn" />
  <attribute name="ebas_sample_duration" value="30mn" />
  <attribute name="ebas_orig_time_res" value="30mn" />
  <attribute name="ebas_station_code" value="RS0006U" />
  <attribute name="ebas_platform_code" value="RS0006S" />
  <attribute name="ebas_station_name" value="Beograd Ada Marina" />
  <attribute name="ebas_station_wdca_id" value="" />
  <attribute name="ebas_station_gaw_id" value="" />
  <attribute name="ebas_station_gaw_name" value="" />
  <attribute name="ebas_station_other_ids" value="" />
  <attribute name="ebas_station_land_use" value="Urban park" />
  <attribute name="ebas_station_setting" value="Urban and center city" />
  <attribute name="ebas_station_latitude" type="double" value="44.790286" />
  <attribute name="ebas_station_longitude" type="double" value="20.417187" />
  <attribute name="ebas_station_altitude" value="71.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="total_carbon" />
  <attribute name="ebas_unit" value="ug C/m3" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="RS01L" />
  <attribute name="ebas_instrument_type" value="online_thermal-optical_analysis" />
  <attribute name="ebas_instrument_name" value="VINCA_TCA_08" />
  <attribute name="ebas_instrument_manufacturer" value="AEROSOL MAGEE SCIENTIFIC" />
  <attribute name="ebas_instrument_model" value="Total Carbon Analyzer Model TCA08" />
  <attribute name="ebas_instrument_serial_number" value="S02-00231" />
  <attribute name="ebas_method_ref" value="RS01L_TCA_Magee_VINCA" />
  <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
  <attribute name="ebas_inlet_type" value="Cyclone" />
  <attribute name="ebas_inlet_description" value="with rain hat" />
  <attribute name="ebas_flow_rate" value="16.7 l/min" />
  <attribute name="ebas_filter_face_velocity" value="71.2 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="3.91 cm2" />
  <attribute name="ebas_filter_description" value="WhatmanQM-A47mm" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="Prefired by previous analysis" />
  <attribute name="ebas_filter_conditioning" value="None" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_artifact_correction" value="Positive only" />
  <attribute name="ebas_artifact_correction_description" value="The positive artifact of OC was accounted for by placing a denuder upstream of the instrument. The denuder collection efficiency is 91 %. The remaining positive artifact due to the inefficiency is reported in a separate variable (Artifact=positive)." />
  <attribute name="ebas_charring_correction" value="By laser transmission" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit" value="0.4 ug C/m3" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
  <attribute name="ebas_organization" value="RS01L, Vinca Institute of Nuclear Sciences, , Radiation and Environmental Protection Laboratory, P.O.Box 522, , 11001, Belgrade, Serbia" />
  <attribute name="ebas_framework_acronym" value="WeBaSOOP" />
  <attribute name="ebas_framework_name" value="Research Reinforcing in the Western Balkans in Offline and Online Monitoring and Source Identification of Atmospheric Particles" />
  <attribute name="ebas_framework_description" value="" />
  <attribute name="ebas_framework_contact_name" value="Lise Eder Murberg" />
  <attribute name="ebas_framework_contact_email" value="lemu@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Jovasevic Stojanovic, Milena, mjovst@vin.bg.ac.rs, Vinca Institute of Nuclear Sciences, VINCA, Horizon Europe Project WeBaSOOP, Mike Petrovic Alasa 12-14, , 11351, Belgrade, Serbia&quot;, &quot;Kleut, Duska, duska@vin.bg.ac.rs, Vinca Institute of Nuclear Sciences, VINCA, Horizon Europe Project WeBaSOOP, Mike Petrovic Alasa 12-14, , 11351, Belgrade, Serbia&quot;, &quot;Stojanovic, Danka, , , , , , , , , &quot;, &quot;Cirovic, Zeljko, zeljko.cirovic@vin.bg.ac.rs, Vinca Institute of Nuclear Sciences, VINCA, , Mike Petrovic Alasa 12-14, , 11351, Belgrade, Serbia&quot;, &quot;Davidovc, Milos, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Kleut, Duska, duska@vin.bg.ac.rs, Vinca Institute of Nuclear Sciences, VINCA, Horizon Europe Project WeBaSOOP, Mike Petrovic Alasa 12-14, , 11351, Belgrade, Serbia&quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: WeBaSOOP. Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the data included are affiliated with the framework of WeBaSOOP project (ID nr. 101060170). Request acknowledgement details from data originator" />
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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="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="26265" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="qc_total_carbon_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2023-10-24T00:15:00Z" />
    <attribute name="time_coverage_end" value="2025-06-19T23:15:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="1990.0" />
    <attribute name="time_coverage_duration" value="P0Y0M604DT23H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-30" />
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  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="qc_total_carbon meta_total_carbon" />
    <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="2026-02-09T12:48:29.305710Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="30mn" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="RS0006U" />
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    <attribute name="ebas_station_land_use" value="Urban park" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" type="double" value="44.790286" />
    <attribute name="ebas_station_longitude" type="double" value="20.417187" />
    <attribute name="ebas_station_altitude" value="71.0 m" />
    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_inlet_description" value="with rain hat" />
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    <attribute name="ebas_filter_face_velocity" value="71.2 cm/s" />
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    <attribute name="ebas_filter_description" value="WhatmanQM-A47mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="Prefired by previous analysis" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Lise Eder Murberg" />
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    <attribute name="ebas_submitter" value="&quot;Kleut, Duska, duska@vin.bg.ac.rs, Vinca Institute of Nuclear Sciences, VINCA, Horizon Europe Project WeBaSOOP, Mike Petrovic Alasa 12-14, , 11351, Belgrade, Serbia&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: WeBaSOOP. Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the data included are affiliated with the framework of WeBaSOOP project (ID nr. 101060170). Request acknowledgement details from data originator" />
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