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  <attribute name="title" value="Main greenhouse gases and carbon_monoxide at Melpitz" />
  <attribute name="summary" value="Main greenhouse gases and carbon_monoxide at Melpitz. These measurements are gathered as a part of the following projects CAMPAIGN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air)', 'carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air)', 'methane in air (mass_concentration_of_methane_in_air)', 'methane in air (mole_fraction_of_methane_in_air)', 'water_vapor in air (mole_fraction_of_water_vapor_in_air)']" />
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  <attribute name="doi" value="https://doi.org/10.48597/JFTD-W6VR" />
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  <attribute name="creator_name" value="Robert Wegener" />
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    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="0.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="water_vapor" />
    <attribute name="ebas_unit" value="umol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE20L" />
    <attribute name="ebas_instrument_type" value="steel_canister" />
    <attribute name="ebas_instrument_name" value="SilcoCan_de44" />
    <attribute name="ebas_instrument_manufacturer" value="Restek" />
    <attribute name="ebas_instrument_model" value="SilcoCan" />
    <attribute name="ebas_analytical_laboratory_code" value="DE20L" />
    <attribute name="ebas_analytical_measurement_technique" value="crds" />
    <attribute name="ebas_analytical_instrument_name" value="FZJ_CFKADS2270_IMP_2022" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Picarro" />
    <attribute name="ebas_analytical_instrument_model" value="G2401" />
    <attribute name="ebas_analytical_instrument_serial_number" value="CFKADS2270" />
    <attribute name="ebas_method_ref" value="DE20L_FZJ_CFKADS2270_IMP_2022" />
    <attribute name="ebas_inlet_type" value="Canister valve opening" />
    <attribute name="ebas_inlet_description" value="Silcosteel capillary with Na2S2O3 filter for ozone destruction after Helmig at al" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below 1 pmol/mol are not reported by the instrument." />
    <attribute name="ebas_organization" value="DE20L, Forschungszentrum Jülich, , Institut für Energie- und Klimaforschung: Troposphäre (IEK-8), Wilhelm-Johnen-Straße, , 52425, Juelich, Germany" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany&quot;" />
    <attribute name="ebas_submitter" value="&quot;Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany&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: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/watervapouramountfraction" />
    <attribute name="actris_variable_preferred_term" value="water vapour amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/steelcanistersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="steel canister sampler" />
    <attribute name="actris_framework_uri" value="" />
    <attribute name="actris_framework_preferred_term" value="" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_water_vapor_precision" shape="qc_water_vapor_precision_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="meta_water_vapor_precision" 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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
