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  <attribute name="title" value="Heavy metals at Rucava" />
  <attribute name="summary" value="Heavy metals at Rucava. These measurements are gathered as a part of the following projects EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['arsenic in pm10 (mass_concentration_of_arsenic_in_pm10_in_air)', 'cadmium in pm10 (mass_concentration_of_cadmium_in_pm10_in_air)', 'chromium in pm10 (mass_concentration_of_chromium_in_pm10_in_air)', 'copper in pm10 (mass_concentration_of_copper_in_pm10_in_air)', 'lead in pm10 (mass_concentration_of_lead_in_pm10_in_air)', 'nickel in pm10 (mass_concentration_of_nickel_in_pm10_in_air)', 'zinc in pm10 (mass_concentration_of_zinc_in_pm10_in_air)']" />
  <attribute name="keywords" value="Rucava LV0010R arsenic cadmium chromium copper lead nickel zinc pm10 EMEP GAW-WDCA mass_concentration_of_arsenic_in_pm10_in_air mass_concentration_of_cadmium_in_pm10_in_air mass_concentration_of_chromium_in_pm10_in_air mass_concentration_of_copper_in_pm10_in_air mass_concentration_of_lead_in_pm10_in_air mass_concentration_of_nickel_in_pm10_in_air mass_concentration_of_zinc_in_pm10_in_air" />
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  <attribute name="doi" value="https://doi.org/10.48597/HN5E-8RC9" />
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  <attribute name="citation" value="Indriksone, I., EMEP, GAW-WDCA, 2023, Heavy metals at Rucava, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HN5E-8RC9" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="LV33L &quot;Latvian Environment, Geology and Meteorology Centre&quot; &quot;Monitoring  Department&quot; &quot;Maskavas Str. 165&quot; LV-1019 Riga Latvia" />
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  <attribute name="date_created" value="2025-10-23T12:04:36.657073Z" />
  <attribute name="date_metadata_modified" value="2023-05-12T15:00:00 UTC" />
  <attribute name="creator_name" value="Iveta Indriksone" />
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  <attribute name="contributor_name" value="Aleksandra Kanisceva" />
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  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="ebas_regime" value="IMG" />
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  <attribute name="ebas_inlet_type" value="Selective filtration" />
  <attribute name="ebas_flow_rate" value="500.0 l/min" />
  <attribute name="ebas_medium" value="Teflon" />
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  <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
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  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Markus Fiebig" />
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  <attribute name="ebas_originator" value="&quot;Indriksone, Iveta, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Kanisceva, Aleksandra, aleksandra.kanisceva@lvgmc.lv, Latvian Environment Geology and Meteorology Centre, LEGMC, Monitoring Department, Maskavas 165, , 1019, Riga, Latvia&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 frameworks: EMEP, GAW-WDCA." />
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  <dimension name="cadmium_qc_flags" length="1" />
  <dimension name="chromium_qc_flags" length="1" />
  <dimension name="copper_qc_flags" length="1" />
  <dimension name="lead_qc_flags" length="1" />
  <dimension name="nickel_qc_flags" length="1" />
  <dimension name="zinc_qc_flags" length="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="chromium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chromium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="chromium_qc chromium_ebasmetadata" />
    <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="2023-05-12T15:00:00.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
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    <attribute name="ebas_station_longitude" type="double" value="21.173056" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chromium" />
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    <attribute name="ebas_analytical_measurement_technique" value="GF-AAS" />
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    <attribute name="ebas_analytical_instrument_serial_number" value="EL00063674" />
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    <attribute name="ebas_inlet_type" value="Selective filtration" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_detection_limit" value="0.0792 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Indriksone, Iveta, , , , , , , , , &quot;" />
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    <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 frameworks: EMEP, GAW-WDCA." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechromiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chromium mass concentration" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="chromium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="copper" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_copper_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="copper_qc copper_ebasmetadata" />
    <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="2023-05-12T15:00:00.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" type="double" value="56.161944" />
    <attribute name="ebas_station_longitude" type="double" value="21.173056" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="copper" />
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    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_detection_limit" value="0.4792 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
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    <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 frameworks: EMEP, GAW-WDCA." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlecoppermassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle copper mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="lead" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_lead_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="lead_qc lead_ebasmetadata" />
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    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
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    <attribute name="ebas_component" value="lead" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle lead mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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    <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="lead_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nickel" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nickel_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="nickel_qc nickel_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-05-12T15:00:00.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" type="double" value="56.161944" />
    <attribute name="ebas_station_longitude" type="double" value="21.173056" />
    <attribute name="ebas_station_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nickel" />
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    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="LV33L" />
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    <attribute name="ebas_instrument_name" value="LEGMC_hvs_0010" />
    <attribute name="ebas_analytical_laboratory_code" value="LV33L" />
    <attribute name="ebas_analytical_measurement_technique" value="GF-AAS" />
    <attribute name="ebas_analytical_instrument_name" value="LEGMC_Varian_SpectrAA_880z" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Varian" />
    <attribute name="ebas_analytical_instrument_model" value="SpectrAA 880Z" />
    <attribute name="ebas_analytical_instrument_serial_number" value="EL00063674" />
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    <attribute name="ebas_medium" value="Teflon" />
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    <attribute name="ebas_detection_limit" value="0.0847 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as detection limit of laboratory blanks, flagged with 781" />
    <attribute name="ebas_organization" value="LV33L, &quot;Latvian Environment, Geology and Meteorology Centre&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Indriksone, Iveta, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Kanisceva, Aleksandra, aleksandra.kanisceva@lvgmc.lv, Latvian Environment Geology and Meteorology Centre, LEGMC, Monitoring Department, Maskavas 165, , 1019, Riga, Latvia&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 frameworks: EMEP, GAW-WDCA." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenickelmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nickel mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM10" />
    <attribute name="actris_matrix_preferred_term" value="PM10" />
    <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/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="nickel_qc" shape="nickel_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="nickel_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="zinc" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_zinc_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="zinc_qc zinc_ebasmetadata" />
    <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="2023-05-12T15:00:00.000000Z" />
    <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="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="LV0010R" />
    <attribute name="ebas_platform_code" value="LV0010S" />
    <attribute name="ebas_station_name" value="Rucava" />
    <attribute name="ebas_station_latitude" type="double" value="56.161944" />
    <attribute name="ebas_station_longitude" type="double" value="21.173056" />
    <attribute name="ebas_station_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_altitude" value="18.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="zinc" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="LV33L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="LEGMC_hvs_0010" />
    <attribute name="ebas_analytical_laboratory_code" value="LV33L" />
    <attribute name="ebas_analytical_measurement_technique" value="GF-AAS" />
    <attribute name="ebas_analytical_instrument_name" value="LEGMC_Varian_SpectrAA_880z" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Varian" />
    <attribute name="ebas_analytical_instrument_model" value="SpectrAA 880Z" />
    <attribute name="ebas_analytical_instrument_serial_number" value="EL00063674" />
    <attribute name="ebas_method_ref" value="LV33L_LEGMC_Varian_SpectrAA_880z" />
    <attribute name="ebas_inlet_type" value="Selective filtration" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
    <attribute name="ebas_detection_limit" value="0.6764 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as detection limit of laboratory blanks, flagged with 781" />
    <attribute name="ebas_organization" value="LV33L, &quot;Latvian Environment, Geology and Meteorology Centre&quot;, , Monitoring  Department, Maskavas Str. 165, , LV-1019, Riga, Latvia" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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., &quot;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;" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Indriksone, Iveta, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Kanisceva, Aleksandra, aleksandra.kanisceva@lvgmc.lv, Latvian Environment Geology and Meteorology Centre, LEGMC, Monitoring Department, Maskavas 165, , 1019, Riga, Latvia&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 frameworks: EMEP, GAW-WDCA." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlezincmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle zinc mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM10" />
    <attribute name="actris_matrix_preferred_term" value="PM10" />
    <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/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="zinc_qc" shape="zinc_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="zinc_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 1900-01-01T00:00:00Z" />
    <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>
