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    "Startdate": "20140101070000",
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    "Version description": "initial revision, manually inspected",
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    "Data level": "2",
    "Period code": "3y",
    "Resolution code": "1w",
    "Sample duration": "1w",
    "Orig. time res.": "1w",
    "Station code": "NO0002R",
    "Platform code": "NO0002S",
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    "Station WDCA-ID": "GAWANO__BIR",
    "Station GAW-ID": "BIR",
    "Station GAW-Name": "Birkenes Atmospheric Observatory",
    "Station other IDs": "BIR (ICOS), Birkenes (AERONET)",
    "Station land use": "Forest",
    "Station setting": "Rural",
    "Station GAW type": "R",
    "Station WMO region": "6",
    "Station latitude": "58.38853",
    "Station longitude": "8.252",
    "Station altitude": "219.0 m",
    "Measurement altitude": "195.0 m",
    "Measurement height": "4.0 m",
    "Regime": "IMG",
    "Component": "pm10_mass",
    "Unit": "ug/m3",
    "Matrix": "pm10",
    "Laboratory code": "NO01L",
    "Instrument type": "low_vol_sampler",
    "Instrument name": "kfg_no02_pm10",
    "Instrument manufacturer": "Leckel",
    "Instrument model": "LVS3",
    "Method ref": "NO01L_gravimetry",
    "Standard method": "SOP=EN12341:1998",
    "Inlet type": "Impactor--direct",
    "Inlet description": "Upward facing",
    "Medium": "Quartz",
    "Sample preparation": "Temperature and humidity equilibration",
    "Blank correction": "Not blank corrected",
    "Humidity/temperature control": "None",
    "Humidity/temperature control description": "filter kept at ambient conditions together with sampling head",
    "Volume std. temperature": "ambient",
    "Volume std. pressure": "ambient",
    "Detection limit": "0.2 ug/m3",
    "Detection limit expl.": "Determined by taking 3 times standard deviation of ensemble of field blanks",
    "Measurement uncertainty": "0.1 ug/m3",
    "Measurement uncertainty expl.": "includes uncertainties of 2 weighing processes (based on ref. lab blank weighings over a year) and volume flow measurement",
    "Zero/negative values code": "Zero/negative possible",
    "Zero/negative values": "Zero/negative values reported as measured if within detection limit, flagged with 780",
    "Organization": "NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway",
    "Framework acronym": "ACTRIS, EMEP, GAW-WDCA, NILU",
    "Framework name": "European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols, Norwegian Institute for Air Research",
    "Framework description": "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., Atmospheric measuremnts produced at NILU.",
    "Framework contact name": "Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig, Kjetil Tørseth",
    "Framework contact email": "clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no, kt@nilu.no",
    "Originator": "Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway",
    "Submitter": "Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway",
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                     </gmd:westBoundLongitude>
                     <gmd:eastBoundLongitude>
                        <gco:Decimal>8.252</gco:Decimal>
                     </gmd:eastBoundLongitude>
                     <gmd:southBoundLatitude>
                        <gco:Decimal>58.38853</gco:Decimal>
                     </gmd:southBoundLatitude>
                     <gmd:northBoundLatitude>
                        <gco:Decimal>58.38853</gco:Decimal>
                     </gmd:northBoundLatitude>
                  </gmd:EX_GeographicBoundingBox>
               </gmd:geographicElement>
               <gmd:temporalElement>
                  <gmd:EX_TemporalExtent id="boundingTemporalExtent">
                     <gmd:extent>
                        <gml:TimePeriod gml:id="d1127777">
                           <gml:description>seconds</gml:description>
                           <gml:beginPosition>2014-01-04T19:00:00Z</gml:beginPosition>
                           <gml:endPosition>2016-12-31T19:00:00Z</gml:endPosition>
                        </gml:TimePeriod>
                     </gmd:extent>
                  </gmd:EX_TemporalExtent>
               </gmd:temporalElement>
               <gmd:verticalElement>
                  <gmd:EX_VerticalExtent>
                     <gmd:minimumValue>
                        <gco:Real>195.0</gco:Real>
                     </gmd:minimumValue>
                     <gmd:maximumValue>
                        <gco:Real>195.0</gco:Real>
                     </gmd:maximumValue>
                     <gmd:verticalCRS gco:nilReason="missing"/>
                  </gmd:EX_VerticalExtent>
               </gmd:verticalElement>
            </gmd:EX_Extent>
         </gmd:extent>
      </gmd:MD_DataIdentification>
   </gmd:identificationInfo>
   <gmd:contentInfo>
      <gmi:MI_CoverageDescription>
         <gmd:attributeDescription gco:nilReason="unknown"/>
         <gmd:contentType gco:nilReason="unknown"/>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>time_bnds</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>double</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString>time bounds for measurement</gco:CharacterString>
               </gmd:descriptor>
            </gmd:MD_Band>
         </gmd:dimension>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>metadata_time_bnds</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>double</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString>time bounds for ebas metadata intervals</gco:CharacterString>
               </gmd:descriptor>
            </gmd:MD_Band>
         </gmd:dimension>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>pm10_mass</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>double</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString> (mass_concentration_of_pm10_ambient_aerosol_particles_in_air)</gco:CharacterString>
               </gmd:descriptor>
               <gmd:units xlink:href="http://example.org/someUnitsDictionary.xml#ug%2Fm3"/>
            </gmd:MD_Band>
         </gmd:dimension>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>pm10_mass_qc</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>int</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString> (status_flag)</gco:CharacterString>
               </gmd:descriptor>
               <gmd:units xlink:href="http://example.org/someUnitsDictionary.xml#1"/>
            </gmd:MD_Band>
         </gmd:dimension>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>pm10_mass_ebasmetadata</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>String</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString>ebas metadata for different time intervals; json encoded</gco:CharacterString>
               </gmd:descriptor>
            </gmd:MD_Band>
         </gmd:dimension>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>time</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>double</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString>time of measurement (time)</gco:CharacterString>
               </gmd:descriptor>
               <gmd:units xlink:href="http://example.org/someUnitsDictionary.xml#days%20since%201900-01-01%2000%3A00%3A00%20UTC"/>
            </gmd:MD_Band>
         </gmd:dimension>
         <gmd:dimension>
            <gmd:MD_Band>
               <gmd:sequenceIdentifier>
                  <gco:MemberName>
                     <gco:aName>
                        <gco:CharacterString>metadata_time</gco:CharacterString>
                     </gco:aName>
                     <gco:attributeType>
                        <gco:TypeName>
                           <gco:aName>
                              <gco:CharacterString>double</gco:CharacterString>
                           </gco:aName>
                        </gco:TypeName>
                     </gco:attributeType>
                  </gco:MemberName>
               </gmd:sequenceIdentifier>
               <gmd:descriptor>
                  <gco:CharacterString>time of ebas metadata intervals (time)</gco:CharacterString>
               </gmd:descriptor>
               <gmd:units xlink:href="http://example.org/someUnitsDictionary.xml#days%20since%201900-01-01%2000%3A00%3A00%20UTC"/>
            </gmd:MD_Band>
         </gmd:dimension>
      </gmi:MI_CoverageDescription>
   </gmd:contentInfo>
   <gmd:distributionInfo>
      <gmd:MD_Distribution>
         <gmd:distributor>
            <gmd:MD_Distributor>
               <gmd:distributorContact>
                  <gmd:CI_ResponsibleParty>
                     <gmd:individualName gco:nilReason="missing"/>
                     <gmd:organisationName>
                        <gco:CharacterString>NILU - Norwegian Institute for Air Research, ATMOS, EBAS</gco:CharacterString>
                     </gmd:organisationName>
                     <gmd:contactInfo>
                        <gmd:CI_Contact>
                           <gmd:address>
                              <gmd:CI_Address>
                                 <gmd:electronicMailAddress>
                                    <gco:CharacterString>ebas@nilu.no</gco:CharacterString>
                                 </gmd:electronicMailAddress>
                              </gmd:CI_Address>
                           </gmd:address>
                           <gmd:onlineResource>
                              <gmd:CI_OnlineResource>
                                 <gmd:linkage>
                                    <gmd:URL>https://www.nilu.no/</gmd:URL>
                                 </gmd:linkage>
                                 <gmd:protocol>
                                    <gco:CharacterString>WWW:LINK</gco:CharacterString>
                                 </gmd:protocol>
                                 <gmd:applicationProfile>
                                    <gco:CharacterString>web browser</gco:CharacterString>
                                 </gmd:applicationProfile>
                                 <gmd:name>
                                    <gco:CharacterString>URL for the data publisher</gco:CharacterString>
                                 </gmd:name>
                                 <gmd:description>
                                    <gco:CharacterString>This URL provides contact information for the publisher of this dataset</gco:CharacterString>
                                 </gmd:description>
                                 <gmd:function>
                                    <gmd:CI_OnLineFunctionCode codeList="http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode"
                                                               codeListValue="information">information</gmd:CI_OnLineFunctionCode>
                                 </gmd:function>
                              </gmd:CI_OnlineResource>
                           </gmd:onlineResource>
                        </gmd:CI_Contact>
                     </gmd:contactInfo>
                     <gmd:role>
                        <gmd:CI_RoleCode codeList="http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#CI_RoleCode"
                                         codeListValue="publisher">publisher</gmd:CI_RoleCode>
                     </gmd:role>
                  </gmd:CI_ResponsibleParty>
               </gmd:distributorContact>
               <gmd:distributorFormat>
                  <gmd:MD_Format>
                     <gmd:name>
                        <gco:CharacterString>OPeNDAP</gco:CharacterString>
                     </gmd:name>
                     <gmd:version gco:nilReason="unknown"/>
                  </gmd:MD_Format>
               </gmd:distributorFormat>
            </gmd:MD_Distributor>
         </gmd:distributor>
      </gmd:MD_Distribution>
   </gmd:distributionInfo>
   <gmd:dataQualityInfo>
      <gmd:DQ_DataQuality>
         <gmd:scope>
            <gmd:DQ_Scope>
               <gmd:level>
                  <gmd:MD_ScopeCode codeList="http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_ScopeCode"
                                    codeListValue="dataset">dataset</gmd:MD_ScopeCode>
               </gmd:level>
            </gmd:DQ_Scope>
         </gmd:scope>
         <gmd:lineage>
            <gmd:LI_Lineage>
               <gmd:statement>
                  <gco:CharacterString>None</gco:CharacterString>
               </gmd:statement>
            </gmd:LI_Lineage>
         </gmd:lineage>
      </gmd:DQ_DataQuality>
   </gmd:dataQualityInfo>
   <gmd:metadataMaintenance>
      <gmd:MD_MaintenanceInformation>
         <gmd:maintenanceAndUpdateFrequency gco:nilReason="unknown"/>
         <gmd:maintenanceNote>
            <gco:CharacterString>This record was translated from NcML using UnidataDD2MI.xsl Version 2.3.4. (2026-05-18T12:13:25.312Z)</gco:CharacterString>
         </gmd:maintenanceNote>
      </gmd:MD_MaintenanceInformation>
   </gmd:metadataMaintenance>
</gmi:MI_Metadata>
