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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 organic_carbon at Kosetice (NAOK) (CZ0003R) using online_thermal-optical_analysis" />
  <attribute name="keywords" value="CZ0003R, GAW-WDCA, ACTRIS, pm25, organic_carbon, Kosetice (NAOK), mass_concentration_of_organic_carbon_in_pm2p5_in_air, EMEP" />
  <attribute name="id" value="H955-TEUB.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/H955-TEUB" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Saliou Mbengue, Ivan Holoubek, organic_carbon - online_thermal-optical_analysis at Kosetice (NAOK), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H955-TEUB" />
  <attribute name="summary" value="Ground based in situ observations of organic_carbon at Kosetice (NAOK) (CZ0003R) using online_thermal-optical_analysis. 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: organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CZ06L, Global Change Research Centre AS CR, v.v.i., Belidla 4a, 603 00, Brno, Czech Republic" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-10-11T11:11:33 UTC" />
  <attribute name="date_metadata_modified" value="2019-10-11T11:11:33 UTC" />
  <attribute name="creator_name" value="Saliou Mbengue, Ivan Holoubek" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="mbengue.s@czechglobe.cz, holoubek.i@czechglobe.cz" />
  <attribute name="creator_institution" value="&quot;Global Change Research Institute of the Czech Academy of Sciences, Department of Atmospheric Fluxes and Long-range Transport, GCRI&quot;, &quot;Global Change Research Institute of the Czech Academy of Sciences, Department of Atmospheric Fluxes and Long-range Transport, GCRI&quot;" />
  <attribute name="contributor_name" value="Saliou Mbengue" />
  <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 (49.58333 15.08333 538.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="time_coverage_start" value="2017-01-01T01:59:31 UTC" />
  <attribute name="time_coverage_end" value="2017-12-31T21:40:34 UTC" />
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  <attribute name="ebas_citation" value="Saliou Mbengue, Ivan Holoubek, organic_carbon - online_thermal-optical_analysis at Kosetice (NAOK), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H955-TEUB" />
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  <attribute name="ebas_export_state" value="2022-12-02T13:17:45.351669 UTC" />
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  <attribute name="ebas_startdate" value="20170101015931" />
  <attribute name="ebas_revision_date" value="20191011111133" />
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  <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="1y" />
  <attribute name="ebas_resolution_code" value="4h" />
  <attribute name="ebas_sample_duration" value="4h" />
  <attribute name="ebas_orig_time_res" value="4h" />
  <attribute name="ebas_station_code" value="CZ0003R" />
  <attribute name="ebas_platform_code" value="CZ0003S" />
  <attribute name="ebas_station_name" value="Kosetice (NAOK)" />
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  <attribute name="ebas_station_gaw_id" value="KOS" />
  <attribute name="ebas_station_gaw_name" value="Kosetice Observatory" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <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="49.573394" />
  <attribute name="ebas_station_longitude" value="15.080278" />
  <attribute name="ebas_station_altitude" value="535.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="49.58333" />
  <attribute name="ebas_measurement_longitude" value="15.08333" />
  <attribute name="ebas_measurement_altitude" value="538.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="organic_carbon" />
  <attribute name="ebas_unit" value="ug C/m3" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="CZ06L" />
  <attribute name="ebas_instrument_type" value="online_thermal-optical_analysis" />
  <attribute name="ebas_instrument_name" value="CG_Sunset_Lab_OCEC_Analyzer" />
  <attribute name="ebas_instrument_manufacturer" value="Sunset Laboratory" />
  <attribute name="ebas_instrument_model" value="Model-4 Semi-Continuous Field Analyzer" />
  <attribute name="ebas_instrument_serial_number" value="3197" />
  <attribute name="ebas_method_ref" value="CZ06L_thermal-optical_analysis_EUSAAR_2" />
  <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="8.0 l/min" />
  <attribute name="ebas_filter_face_velocity" value="104.0 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="1.27 cm2" />
  <attribute name="ebas_filter_description" value="Circular 12.7 mm diameter punches cut from Pallflex 47mm" />
  <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="Carbon parallel-plate diffusion denuder (from Sunset Lab.)" />
  <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_expl" value="0.113 ug C/m3" />
  <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="CZ06L, &quot;Global Change Research Centre AS CR, v.v.i.&quot;, , , Belidla 4a, , 603 00, Brno, Czech Republic" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
  <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" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Holoubek, Ivan, holoubek.i@czechglobe.cz, Global Change Research Institute of the Czech Academy of Sciences, GCRI, Department of Atmospheric Fluxes and Long-range Transport, Belidla 986/4a, , 603 00, Brno, Czech Republic" />
  <attribute name="ebas_submitter" value="Mbengue, Saliou, mbengue.s@czechglobe.cz, Global Change Research Institute of the Czech Academy of Sciences, GCRI, Department of Atmospheric Fluxes and Long-range Transport, Belidla 986/4a, , 603 00, Brno, Czech Republic" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
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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;Saliou Mbengue, Ivan Holoubek, organic_carbon - online_thermal-optical_analysis at Kosetice (NAOK), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H955-TEUB&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;H955-TEUB.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/H955-TEUB&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/H955-TEUB&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-10T19:08:38.135620 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2022-12-02T13:17:45.351669 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20170101015931&quot;,&#xA;    &quot;Revision date&quot;: &quot;20191011111133&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;4h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;4h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;4h&quot;,&#xA;    &quot;Station code&quot;: &quot;CZ0003R&quot;,&#xA;    &quot;Platform code&quot;: &quot;CZ0003S&quot;,&#xA;    &quot;Station name&quot;: &quot;Kosetice (NAOK)&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWACZ__KOS&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;KOS&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Kosetice Observatory&quot;,&#xA;    &quot;Station land use&quot;: &quot;Agricultural&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;49.573394&quot;,&#xA;    &quot;Station longitude&quot;: &quot;15.080278&quot;,&#xA;    &quot;Station altitude&quot;: &quot;535.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;49.58333&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;15.08333&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;538.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;organic_carbon&quot;,&#xA;    &quot;Unit&quot;: &quot;ug C/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm25&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CZ06L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_thermal-optical_analysis&quot;,&#xA;    &quot;Instrument name&quot;: &quot;CG_Sunset_Lab_OCEC_Analyzer&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Sunset Laboratory&quot;,&#xA;    &quot;Instrument model&quot;: &quot;Model-4 Semi-Continuous Field Analyzer&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;3197&quot;,&#xA;    &quot;Method ref&quot;: &quot;CZ06L_thermal-optical_analysis_EUSAAR_2&quot;,&#xA;    &quot;Standard method&quot;: &quot;TEMP=EUSAAR_2&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Cyclone&quot;,&#xA;    &quot;Inlet description&quot;: &quot;with rain hat&quot;,&#xA;    &quot;Flow rate&quot;: &quot;8.0 l/min&quot;,&#xA;    &quot;Filter face velocity&quot;: &quot;104.0 cm/s&quot;,&#xA;    &quot;Exposed filter area&quot;: &quot;1.27 cm2&quot;,&#xA;    &quot;Filter description&quot;: &quot;Circular 12.7 mm diameter punches cut from Pallflex 47mm&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Filter prefiring&quot;: &quot;Prefired by previous analysis&quot;,&#xA;    &quot;Filter conditioning&quot;: &quot;None&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;None&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not blank corrected&quot;,&#xA;    &quot;Artifact correction&quot;: &quot;Positive only&quot;,&#xA;    &quot;Artifact correction description&quot;: &quot;Carbon parallel-plate diffusion denuder (from Sunset Lab.)&quot;,&#xA;    &quot;Charring correction&quot;: &quot;By laser transmission&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;ambient&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;ambient&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;0.113 ug C/m3&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;Measurement uncertainty includes quantifiable uncertainty&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as measured if within detection limit, flagged with 780&quot;,&#xA;    &quot;Organization&quot;: &quot;CZ06L, \&quot;Global Change Research Centre AS CR, v.v.i.\&quot;, , , Belidla 4a, , 603 00, Brno, Czech Republic&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCA&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. 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.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Holoubek, Ivan, holoubek.i@czechglobe.cz, Global Change Research Institute of the Czech Academy of Sciences, GCRI, Department of Atmospheric Fluxes and Long-range Transport, Belidla 986/4a, , 603 00, Brno, Czech Republic&quot;,&#xA;    &quot;Submitter&quot;: &quot;Mbengue, Saliou, mbengue.s@czechglobe.cz, Global Change Research Institute of the Czech Academy of Sciences, GCRI, Department of Atmospheric Fluxes and Long-range Transport, Belidla 986/4a, , 603 00, Brno, Czech Republic&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="2189" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="Fraction" length="5" />
  <dimension name="organic_carbon_qc_flags" length="2" />
  <group name="CFMetadata">
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="Carbon parallel-plate diffusion denuder (from Sunset Lab.)" />
    <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_expl" value="0.113 ug C/m3" />
    <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="CZ06L, &quot;Global Change Research Centre AS CR, v.v.i.&quot;, , , Belidla 4a, , 603 00, Brno, Czech Republic" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <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" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Holoubek, Ivan, holoubek.i@czechglobe.cz, Global Change Research Institute of the Czech Academy of Sciences, GCRI, Department of Atmospheric Fluxes and Long-range Transport, Belidla 986/4a, , 603 00, Brno, Czech Republic" />
    <attribute name="ebas_submitter" value="Mbengue, Saliou, mbengue.s@czechglobe.cz, Global Change Research Institute of the Czech Academy of Sciences, GCRI, Department of Atmospheric Fluxes and Long-range Transport, Belidla 986/4a, , 603 00, Brno, Czech Republic" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="organic_carbon_qc" shape="Fraction organic_carbon_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="organic_carbon_ebasmetadata" shape="Fraction 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>
  <variable name="Fraction" shape="Fraction" type="String" />
</netcdf>
