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  <attribute name="title" value="Ground based in situ observations of nitrogen_dioxide at Westerland (DE0001R) using glass_sinter" />
  <attribute name="keywords" value="nitrogen_dioxide, Westerland, air, DE0001R, CAMP, mole_fraction_of_nitrogen_dioxide_in_air, mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air, EMEP" />
  <attribute name="id" value="6YMM-M456.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/6YMM-M456" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, nitrogen_dioxide - glass_sinter at Westerland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6YMM-M456" />
  <attribute name="summary" value="Ground based in situ observations of nitrogen_dioxide at Westerland (DE0001R) using glass_sinter. These measurements are gathered as a part of the following projects CAMP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, 63225, Langen, Germany" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2018-03-06T09:51:01 UTC" />
  <attribute name="date_metadata_modified" value="2018-03-06T09:51:01 UTC" />
  <attribute name="creator_name" value="Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch" />
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  <attribute name="contributor_name" value="Anke Penzlin, Anke Penzlin, Anke Penzlin, Anke Penzlin" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, 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" />
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  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
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  <attribute name="ebas_measurement_height" value="10.5 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="nitrogen_dioxide" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="DE03L" />
  <attribute name="ebas_instrument_type" value="glass_sinter" />
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  <attribute name="ebas_instrument_manufacturer" value="MCZ" />
  <attribute name="ebas_instrument_model" value="MicroPNS" />
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  <attribute name="ebas_coating_solution" value="NaI" />
  <attribute name="ebas_sample_preparation" value="Base extraction" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
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  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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  <attribute name="ebas_originator" value="Wallasch, Markus, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
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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;Markus Wallasch, Markus Wallasch, Markus Wallasch, Markus Wallasch, nitrogen_dioxide - glass_sinter at Westerland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6YMM-M456&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;6YMM-M456.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/6YMM-M456&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/6YMM-M456&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-09T22:08:31.328331 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-09-03T14:05:14.017000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20131231230000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20180306095101&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1d&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;DE0001R&quot;,&#xA;    &quot;Platform code&quot;: &quot;DE0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;Westerland&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;WES&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Westerland&quot;,&#xA;    &quot;Station other IDs&quot;: &quot;DEUB001 (UBA), 10020-0 (WMO)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Grassland&quot;,&#xA;    &quot;Station setting&quot;: &quot;Coastal&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;C&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;54.925556&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.309722&quot;,&#xA;    &quot;Station altitude&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.5 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;nitrogen_dioxide&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;DE03L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;glass_sinter&quot;,&#xA;    &quot;Instrument name&quot;: &quot;UBA_We_PNS_0001&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;MCZ&quot;,&#xA;    &quot;Instrument model&quot;: &quot;MicroPNS&quot;,&#xA;    &quot;Method ref&quot;: &quot;DE28L_UBA_Sm_FIA_0001&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v2014&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Coating/Solution&quot;: &quot;NaI&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Base extraction&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not blank corrected&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Estimated from calibration&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative impossible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as half of detection limit, flagged with 780&quot;,&#xA;    &quot;Organization&quot;: &quot;DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;CAMP, EMEP&quot;,&#xA;    &quot;Framework name&quot;: &quot;OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme&quot;,&#xA;    &quot;Framework description&quot;: &quot;The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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;,&#xA;    &quot;Framework contact name&quot;: &quot;Wenche Aas, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;waa@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Wallasch, Markus, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.03045 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Estimated from calibration" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as half of detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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." />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="nitrogen_dioxide_ug_N_per_m3_qc" shape="nitrogen_dioxide_ug_N_per_m3_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="nitrogen_dioxide_ug_N_per_m3_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 1900-01-01 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>
</netcdf>
