<?xml version="1.0" encoding="UTF-8"?>
<gmd:MD_Metadata xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/gml/3.2 http://schemas.opengis.net/gml/3.2.1/gml.xsd http://www.isotc211.org/2005/gmd http://schemas.opengis.net/iso/19139/20070417/gmd/gmd.xsd http://www.isotc211.org/2005/gco http://schemas.opengis.net/iso/19139/20070417/gco/gco.xsd http://www.isotc211.org/2005/srv http://schemas.opengis.net/iso/19139/20070417/srv/1.0/srv.xsd http://www.isotc211.org/2005/gmx http://schemas.opengis.net/iso/19139/20070417/gmx/gmx.xsd">
  <gmd:fileIdentifier>
    <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">b0a1315c-3514-415d-9ee5-f534becca288</gco:CharacterString>
  </gmd:fileIdentifier>
  <gmd:language>
    <LanguageCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://www.loc.gov/standards/iso639-2/" codeListValue="ger" />
  </gmd:language>
  <gmd:characterSet>
    <MD_CharacterSetCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8" />
  </gmd:characterSet>
  <gmd:hierarchyLevel>
    <MD_ScopeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_ScopeCode" codeListValue="series" />
  </gmd:hierarchyLevel>
  <gmd:hierarchyLevelName>
    <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Geophysik</gco:CharacterString>
  </gmd:hierarchyLevelName>
  <gmd:contact>
    <gmd:CI_ResponsibleParty>
      <gmd:organisationName xsi:type="gmd:PT_FreeText_PropertyType">
        <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)</gco:CharacterString>
      </gmd:organisationName>
      <gmd:contactInfo>
        <gmd:CI_Contact>
          <gmd:address>
            <gmd:CI_Address>
              <gmd:electronicMailAddress>
                <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">geodatenmanagement@bgr.de</gco:CharacterString>
              </gmd:electronicMailAddress>
            </gmd:CI_Address>
          </gmd:address>
          <gmd:onlineResource>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>https://www.bgr.bund.de</gmd:URL>
              </gmd:linkage>
            </gmd:CI_OnlineResource>
          </gmd:onlineResource>
        </gmd:CI_Contact>
      </gmd:contactInfo>
      <gmd:role>
        <gmd:CI_RoleCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode>
      </gmd:role>
    </gmd:CI_ResponsibleParty>
  </gmd:contact>
  <gmd:dateStamp>
    <gco:Date xmlns:gco="http://www.isotc211.org/2005/gco">2026-01-13</gco:Date>
  </gmd:dateStamp>
  <gmd:metadataStandardName>
    <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">INSPIRE Metadata Implementing Rules: Technical Guidelines based on EN ISO 19115 and EN ISO 19119</gco:CharacterString>
  </gmd:metadataStandardName>
  <gmd:metadataStandardVersion>
    <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">n/a</gco:CharacterString>
  </gmd:metadataStandardVersion>
  <gmd:locale xmlns:gco="http://www.isotc211.org/2005/gco">
    <gmd:PT_Locale id="locale-eng">
      <gmd:languageCode>
        <gmd:LanguageCode codeList="http://www.loc.gov/standards/iso639-2/" codeListValue="eng" />
      </gmd:languageCode>
      <gmd:characterEncoding>
        <gmd:MD_CharacterSetCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8" />
      </gmd:characterEncoding>
    </gmd:PT_Locale>
  </gmd:locale>
  <gmd:referenceSystemInfo>
    <gmd:MD_ReferenceSystem>
      <gmd:referenceSystemIdentifier>
        <gmd:RS_Identifier>
          <gmd:code>
            <gmx:Anchor xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.opengis.net/def/crs/EPSG/0/25832">EPSG:25832</gmx:Anchor>
          </gmd:code>
        </gmd:RS_Identifier>
      </gmd:referenceSystemIdentifier>
    </gmd:MD_ReferenceSystem>
  </gmd:referenceSystemInfo>
  <gmd:identificationInfo xmlns:gco="http://www.isotc211.org/2005/gco">
    <gmd:MD_DataIdentification>
      <gmd:citation>
        <gmd:CI_Citation>
          <gmd:title xsi:type="gmd:PT_FreeText_PropertyType">
            <gco:CharacterString>Rohdaten der Hubschrauber-Radiometrie (HRD)</gco:CharacterString>
            <gmd:PT_FreeText>
              <gmd:textGroup>
                <gmd:LocalisedCharacterString locale="#locale-eng">Raw Data on Helicopter-borne Radiometrics (HRD)</gmd:LocalisedCharacterString>
              </gmd:textGroup>
            </gmd:PT_FreeText>
          </gmd:title>
          <gmd:alternateTitle>
            <gco:CharacterString>HRD-RD (Serie)</gco:CharacterString>
          </gmd:alternateTitle>
          <gmd:date>
            <gmd:CI_Date>
              <gmd:date>
                <gco:Date>2019-10-23</gco:Date>
              </gmd:date>
              <gmd:dateType>
                <CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication" />
              </gmd:dateType>
            </gmd:CI_Date>
          </gmd:date>
          <gmd:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gco:CharacterString>e16664c8-5f77-8ef1-d9cb-87b1885b3689</gco:CharacterString>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmd:identifier>
        </gmd:CI_Citation>
      </gmd:citation>
      <gmd:abstract xsi:type="gmd:PT_FreeText_PropertyType">
        <gco:CharacterString>Der BGR-Messhubschrauber (Sikorsky S-76B) wird zur aerogeophysikalischen Erkundung des Erduntergrundes eingesetzt. Das Standardmesssystem umfasst die Methoden Elektromagnetik, Magnetik und Radiometrie. Das passive Radiometriemesssystem (HRD) ist im Messhubschrauber eingebaut und besteht aus einem Gammastrahlenspektrometer mit fünf Natriumiodid-Detektoren zur Erfassung der Gammastrahlung. Neben der Totalstrahlung werden die (Äquivalent-)Gehalte von Kalium, Thorium und Uran am Boden sowie Ionendosisleistung abgeleitet.</gco:CharacterString>
        <gmd:PT_FreeText>
          <gmd:textGroup>
            <gmd:LocalisedCharacterString locale="#locale-eng">The BGR helicopter (Sikorsky S-76B) is used for airborne geophysical surveying of the Earth’s subsurface. The standard equipment comprises the methods electromagnetics, magnetics and radiometrics. The passive radiometric (HRD) system is installed into the helicopter and consists of a gamma-ray spectrometer with five Sodiumiodid detectors to measure the gamma radiation. Besides the total counts, the (equivalent) concentrations of potassium, thorium and uranium at ground level as well as the exposure rate are derived.</gmd:LocalisedCharacterString>
          </gmd:textGroup>
        </gmd:PT_FreeText>
      </gmd:abstract>
      <gmd:status>
        <MD_ProgressCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_ProgressCode" codeListValue="onGoing">onGoing</MD_ProgressCode>
      </gmd:status>
      <gmd:pointOfContact>
        <gmd:CI_ResponsibleParty>
          <gmd:organisationName>
            <gco:CharacterString>Bundesanstalt für Geowissenschaften und Rohstoffe (BGR)</gco:CharacterString>
          </gmd:organisationName>
          <gmd:contactInfo>
            <gmd:CI_Contact>
              <gmd:address>
                <gmd:CI_Address>
                  <gmd:deliveryPoint>
                    <gco:CharacterString>Stilleweg 2</gco:CharacterString>
                  </gmd:deliveryPoint>
                  <gmd:city>
                    <gco:CharacterString>Hannover</gco:CharacterString>
                  </gmd:city>
                  <gmd:postalCode>
                    <gco:CharacterString>30655</gco:CharacterString>
                  </gmd:postalCode>
                  <gmd:country>
                    <gco:CharacterString>Deutschland</gco:CharacterString>
                  </gmd:country>
                  <gmd:electronicMailAddress>
                    <gco:CharacterString>heli@bgr.de</gco:CharacterString>
                  </gmd:electronicMailAddress>
                </gmd:CI_Address>
              </gmd:address>
            </gmd:CI_Contact>
          </gmd:contactInfo>
          <gmd:role>
            <gmd:CI_RoleCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode>
          </gmd:role>
        </gmd:CI_ResponsibleParty>
      </gmd:pointOfContact>
      <gmd:descriptiveKeywords>
        <gmd:MD_Keywords>
          <gmd:keyword>
            <gco:CharacterString>Geologie</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Geology</gco:CharacterString>
          </gmd:keyword>
          <gmd:type>
            <MD_KeywordTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme" />
          </gmd:type>
          <gmd:thesaurusName>
            <gmd:CI_Citation>
              <gmd:title>
                <gco:CharacterString>GEMET - INSPIRE themes, version 1.0</gco:CharacterString>
              </gmd:title>
              <gmd:date>
                <gmd:CI_Date>
                  <gmd:date>
                    <gco:Date>2008-06-01</gco:Date>
                  </gmd:date>
                  <gmd:dateType>
                    <CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication" />
                  </gmd:dateType>
                </gmd:CI_Date>
              </gmd:date>
            </gmd:CI_Citation>
          </gmd:thesaurusName>
        </gmd:MD_Keywords>
      </gmd:descriptiveKeywords>
      <gmd:descriptiveKeywords>
        <gmd:MD_Keywords>
          <gmd:keyword>
            <gco:CharacterString>Geophysik</gco:CharacterString>
          </gmd:keyword>
          <gmd:type>
            <MD_KeywordTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme" />
          </gmd:type>
          <gmd:thesaurusName>
            <gmd:CI_Citation>
              <gmd:title>
                <gco:CharacterString>GEMET - Concepts, version 2.4</gco:CharacterString>
              </gmd:title>
              <gmd:date>
                <gmd:CI_Date>
                  <gmd:date>
                    <gco:Date>2010-01-13</gco:Date>
                  </gmd:date>
                  <gmd:dateType>
                    <CI_DateTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication" />
                  </gmd:dateType>
                </gmd:CI_Date>
              </gmd:date>
            </gmd:CI_Citation>
          </gmd:thesaurusName>
        </gmd:MD_Keywords>
      </gmd:descriptiveKeywords>
      <gmd:descriptiveKeywords>
        <gmd:MD_Keywords>
          <gmd:keyword>
            <gco:CharacterString>Aerogeophysik</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Hubschrauber-Radiometrie</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Äquivalentgehalte</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Thorium</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Uran</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Kalium</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>Ionendosisleistung</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>airborne geophysics</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>helicopter-borne radiometrics</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>equivalent concentrations</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>thorium</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>uranium</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>potassium</gco:CharacterString>
          </gmd:keyword>
          <gmd:keyword>
            <gco:CharacterString>exposure rate</gco:CharacterString>
          </gmd:keyword>
          <gmd:type>
            <MD_KeywordTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme" />
          </gmd:type>
        </gmd:MD_Keywords>
      </gmd:descriptiveKeywords>
      <gmd:descriptiveKeywords>
        <gmd:MD_Keywords>
          <gmd:keyword>
            <gco:CharacterString>Deutschland</gco:CharacterString>
          </gmd:keyword>
          <gmd:type>
            <MD_KeywordTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="place" />
          </gmd:type>
        </gmd:MD_Keywords>
      </gmd:descriptiveKeywords>
      <gmd:resourceConstraints xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:xlink="http://www.w3.org/1999/xlink">
        <gmd:MD_LegalConstraints>
          <gmd:accessConstraints>
            <MD_RestrictionCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_RestrictionCode" codeListValue="otherRestrictions" />
          </gmd:accessConstraints>
          <gmd:otherConstraints>
            <gmx:Anchor xlink:href="http://inspire.ec.europa.eu/metadata-codelist/LimitationsOnPublicAccess/noLimitations">Es gelten keine Zugriffsbeschränkungen</gmx:Anchor>
          </gmd:otherConstraints>
        </gmd:MD_LegalConstraints>
      </gmd:resourceConstraints>
      <gmd:resourceConstraints xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:xlink="http://www.w3.org/1999/xlink">
        <gmd:MD_LegalConstraints>
          <gmd:useConstraints>
            <MD_RestrictionCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_RestrictionCode" codeListValue="otherRestrictions" />
          </gmd:useConstraints>
          <gmd:otherConstraints>
            <gco:CharacterString>Allgemeine Geschäftsbedingungen, siehe https://www.bgr.bund.de/AGB - General terms and conditions, see https://www.bgr.bund.de/AGB_en. Die bereitgestellten Informationen sind bei Weiterverwendung wie folgt zu zitieren: Datenquelle: HRD-RD, (c) BGR, Hannover, 2019</gco:CharacterString>
          </gmd:otherConstraints>
        </gmd:MD_LegalConstraints>
      </gmd:resourceConstraints>
      <gmd:spatialRepresentationType>
        <MD_SpatialRepresentationTypeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_SpatialRepresentationTypeCode" codeListValue="textTable" />
      </gmd:spatialRepresentationType>
      <gmd:language>
        <LanguageCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://www.loc.gov/standards/iso639-2/" codeListValue="ger" />
      </gmd:language>
      <gmd:characterSet>
        <MD_CharacterSetCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8" />
      </gmd:characterSet>
      <gmd:topicCategory>
        <gmd:MD_TopicCategoryCode>geoscientificInformation</gmd:MD_TopicCategoryCode>
      </gmd:topicCategory>
      <extent xmlns="http://www.isotc211.org/2005/gmd">
        <gmd:EX_Extent>
          <gmd:geographicElement>
            <gmd:EX_GeographicBoundingBox>
              <gmd:extentTypeCode>
                <gco:Boolean>true</gco:Boolean>
              </gmd:extentTypeCode>
              <gmd:westBoundLongitude>
                <gco:Decimal>5.92</gco:Decimal>
              </gmd:westBoundLongitude>
              <gmd:eastBoundLongitude>
                <gco:Decimal>15.07</gco:Decimal>
              </gmd:eastBoundLongitude>
              <gmd:southBoundLatitude>
                <gco:Decimal>47.31</gco:Decimal>
              </gmd:southBoundLatitude>
              <gmd:northBoundLatitude>
                <gco:Decimal>55.05</gco:Decimal>
              </gmd:northBoundLatitude>
            </gmd:EX_GeographicBoundingBox>
          </gmd:geographicElement>
        </gmd:EX_Extent>
      </extent>
    </gmd:MD_DataIdentification>
  </gmd:identificationInfo>
  <gmd:distributionInfo xmlns:gco="http://www.isotc211.org/2005/gco">
    <gmd:MD_Distribution>
      <gmd:distributionFormat>
        <gmd:MD_Format>
          <gmd:name>
            <gco:CharacterString>ASCII</gco:CharacterString>
          </gmd:name>
          <gmd:version>
            <gco:CharacterString>n/a</gco:CharacterString>
          </gmd:version>
        </gmd:MD_Format>
      </gmd:distributionFormat>
      <gmd:transferOptions>
        <gmd:MD_DigitalTransferOptions>
          <gmd:onLine>
            <gmd:CI_OnlineResource>
              <gmd:linkage>
                <gmd:URL>https://www.bgr.bund.de/DE/BGR/Wissenschaftliche-Infrastruktur/Geophysik/Aerogeophysik/Aeroradiometrie/aeroradiometrie_node.html</gmd:URL>
              </gmd:linkage>
              <gmd:description>
                <gco:CharacterString>BGR-Website: Aeroradiometrie</gco:CharacterString>
              </gmd:description>
              <gmd:function>
                <CI_OnLineFunctionCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/Codelist/ML_gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information" />
              </gmd:function>
            </gmd:CI_OnlineResource>
          </gmd:onLine>
        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
    </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:dataQualityInfo>
    <gmd:DQ_DataQuality>
      <gmd:scope>
        <gmd:DQ_Scope>
          <gmd:level>
            <MD_ScopeCode xmlns="http://www.isotc211.org/2005/gmd" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_ScopeCode" codeListValue="series" />
          </gmd:level>
          <gmd:levelDescription xmlns:gco="http://www.isotc211.org/2005/gco" gco:nilReason="inapplicable" />
        </gmd:DQ_Scope>
      </gmd:scope>
      <gmd:lineage>
        <gmd:LI_Lineage>
          <gmd:statement>
            <gco:CharacterString xmlns:gco="http://www.isotc211.org/2005/gco">Erarbeitung im Rahmen diverser Projekte, in denen das aerogeophysikalische Messsystem der BGR in Deutschland eingesetzt wurde.</gco:CharacterString>
          </gmd:statement>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
</gmd:MD_Metadata>

