<?xml version="1.0" encoding="UTF-8" ?><?xml-stylesheet type="text/xsl" href="xsl/oaitohtml.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-15T16:34:39Z</responseDate><request identifier="oai:doidb.wdc-terra.org:8114" metadataPrefix="oai_datacite" verb="GetRecord">http://doidb.wdc-terra.org/oaip/oai</request><GetRecord><record><header><identifier>oai:doidb.wdc-terra.org:8114</identifier><datestamp>2025-06-24T09:35:28Z</datestamp><setSpec>DOIDB</setSpec><setSpec>DOIDB.GFZ</setSpec></header><metadata><oai_datacite xmlns="http://schema.datacite.org/oai/oai-1.0/" xsi:schemaLocation="http://schema.datacite.org/oai/oai-1.0/ http://schema.datacite.org/oai/oai-1.0/oai.xsd"><isReferenceQuality>false</isReferenceQuality><schemaVersion>4</schemaVersion><datacentreSymbol>DOIDB.GFZ</datacentreSymbol><payload><resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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   <identifier identifierType="DOI">10.5880/GFZ.RDOQ.2025.002</identifier>
   <creators>
      <creator>
         <creatorName nameType="Personal">Vorogushyn, Sergiy</creatorName>
         <givenName>Sergiy</givenName>
         <familyName>Vorogushyn</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0003-4639-7982</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Han, Li</creatorName>
         <givenName>Li</givenName>
         <familyName>Han</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0001-9703-5215</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Apel, Heiko</creatorName>
         <givenName>Heiko</givenName>
         <familyName>Apel</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0002-8852-652X</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Nguyen, Viet-Dung</creatorName>
         <givenName>Viet-Dung</givenName>
         <familyName>Nguyen</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0002-2649-2520</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Guse, Björn</creatorName>
         <givenName>Björn</givenName>
         <familyName>Guse</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0001-8749-4362</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
         <affiliation>Department Hydrology and Water Resources Management, Kiel University, Kiel, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Guan, Xiaoxiang </creatorName>
         <givenName>Xiaoxiang </givenName>
         <familyName>Guan</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0002-5791-6867</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Rakovec, Oldrich</creatorName>
         <givenName>Oldrich</givenName>
         <familyName>Rakovec</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0003-2451-3305</nameIdentifier>
         <affiliation>Department Computational Hydrosystems, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany</affiliation>
         <affiliation>Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Czech Republic</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Najafi, Husain</creatorName>
         <givenName>Husain</givenName>
         <familyName>Najafi</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0002-0412-3572</nameIdentifier>
         <affiliation>Department Computational Hydrosystems, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Samaniego, Luis</creatorName>
         <givenName>Luis</givenName>
         <familyName>Samaniego</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0002-8449-4428</nameIdentifier>
         <affiliation>Institute for Environmental Sciences and Geography, University of Potsdam, Potsdam, Germany</affiliation>
      </creator>
      <creator>
         <creatorName nameType="Personal">Merz, Bruno</creatorName>
         <givenName>Bruno</givenName>
         <familyName>Merz</familyName>
         <nameIdentifier nameIdentifierScheme="ORCID">0000-0002-5992-1440</nameIdentifier>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
         <affiliation>Institute for Environmental Sciences and Geography, University of Potsdam, Potsdam, Germany</affiliation>
      </creator>
   </creators>
   <titles>
      <title>Spatial counterfactuals of the July 2021 flood in the Ahr valley, Germany</title>
   </titles>
   <publisher>GFZ Data Services</publisher>
   <publicationYear>2025</publicationYear>
   <subjects>
      <subject>Ahr flood 2021</subject>
      <subject>inundation</subject>
      <subject>counterfactuals</subject>
      <subject subjectScheme="NASA/GCMD Earth Science Keywords">EARTH SCIENCE &gt; HUMAN DIMENSIONS &gt; NATURAL HAZARDS &gt; FLOODS</subject>
      <subject subjectScheme="NASA/GCMD Earth Science Keywords">EARTH SCIENCE &gt; TERRESTRIAL HYDROSPHERE</subject>
      <subject subjectScheme="NASA/GCMD Earth Science Keywords">EARTH SCIENCE &gt; TERRESTRIAL HYDROSPHERE &gt; GROUND WATER &gt; GROUND WATER DISCHARGE/FLOW</subject>
      <subject subjectScheme="GCMD Instruments">In Situ/Laboratory Instruments &gt; Gauges</subject>
   </subjects>
   <contributors>
      <contributor contributorType="ContactPerson">
         <contributorName>Vorogushyn, Sergiy</contributorName>
         <affiliation>GFZ Helmholtz Centre for Geosciences, Potsdam, Germany</affiliation>
      </contributor>
   </contributors>
   <resourceType resourceTypeGeneral="Dataset">Dataset</resourceType>
   <relatedIdentifiers>
      <relatedIdentifier relatedIdentifierType="DOI" relationType="IsSupplementTo">10.5194/nhess-2024-97</relatedIdentifier>
      <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites">10.1029/2017JD028200</relatedIdentifier>
      <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites">10.1016/j.jhydrol.2023.129640</relatedIdentifier>
      <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites">10.13031/2013.26773</relatedIdentifier>
   </relatedIdentifiers>
   <sizes/>
   <formats/>
   <rightsList>
      <rights rightsURI="http://creativecommons.org/licenses/by/4.0/">CC BY 4.0</rights>
   </rightsList>
   <descriptions>
      <description descriptionType="Abstract">This dataset comprises gridded precipitation fields, simulated hourly discharge values and simulated inundation areas and depths in the Ahr catchment in Germany for the reference scenario of the July 2021 flood and 25 spatial counterfactuals. The precipitation dataset contains the observed gridded E-OBS precipitation field and 25 counterfactuals shifted by one cell. Subsequently, the reference scenario and spatial counterfactuals are used as atmospheric forcing for the mesoscale hydrological model mHM set up and calibrated for the Ahr catchment, Germany. The model simulates hourly discharge series at seven gauge locations (Müsch, Kirmutscheid, Niederadenau, Denn, Kreuzberg, Altenahr, Bad Bodendorf) from which the event peak flows and flood event volumes can be derived. These discharge data is used as boundary condition for the RIM2D hydrodynamic inundation model which simulates inundation areas and maximum inundation depths along the Ahr valley between Müsch and Sinzig for the reference scenario and spatial counterfactuals.   <br/>
      </description>
   </descriptions>
   <geoLocations>
      <geoLocation>
         <geoLocationPlace>Gauge Altenahr (Aar)</geoLocationPlace>
      </geoLocation>
      <geoLocation>
         <geoLocationPlace>Gauge Bad Bodendorf (Aar)</geoLocationPlace>
      </geoLocation>
      <geoLocation>
         <geoLocationPlace>Gauge Denn (Staffelerbach)</geoLocationPlace>
      </geoLocation>
      <geoLocation>
         <geoLocationPlace>Gauge Kirmutscheid (Trierbach)</geoLocationPlace>
      </geoLocation>
      <geoLocation>
         <geoLocationPlace>Gauge Kreuzberg (Sahrbach)</geoLocationPlace>
      </geoLocation>
      <geoLocation>
         <geoLocationPlace>Gauge Müsch (Aar)</geoLocationPlace>
      </geoLocation>
      <geoLocation>
         <geoLocationPlace>Gauge Niederadenau (Adenauerbach)</geoLocationPlace>
      </geoLocation>
   </geoLocations>
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