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Global analysis reveals climatic controls on the oxygen isotope composition of cave drip water

dc.rights.licenseopenen_US
dc.contributor.authorBAKER, Andy
dc.contributor.authorHARTMANN, Andreas
dc.contributor.authorDUAN, Wuhui
dc.contributor.authorHANKIN, Stuart
dc.contributor.authorCOMAS-BRU, Laia
dc.contributor.authorCUTHBERT, Mark
dc.contributor.authorTREBLE, Pauline
dc.contributor.authorBANNER, Jay
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGENTY, Dominique
dc.contributor.authorBALDINI, Lisa
dc.contributor.authorBARTOLOMÉ, Miguel
dc.contributor.authorMORENO, Ana
dc.contributor.authorPÉREZ-MEJÍAS, Carlos
dc.contributor.authorWERNER, Martin
dc.date.accessioned2024-02-28T10:56:27Z
dc.date.available2024-02-28T10:56:27Z
dc.date.issued2019-07-05
dc.identifier.issn2041-1723en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/188486
dc.description.abstractEnThe oxygen isotope composition of speleothems is a widely used proxy for past climate change. Robust use of this proxy depends on understanding the relationship between precipitation and cave drip water δ 18 O. Here, we present the first global analysis, based on data from 163 drip sites, from 39 caves on five continents, showing that drip water δ 18 O is most similar to the amount-weighted precipitation δ 18 O where mean annual temperature (MAT) is 10°C and < 16°C, drip water δ 18 O records the recharge-weighted δ 18 O. This implies that the δ 18 O of speleothems (formed in near isotopic equilibrium) are most likely to directly reflect meteoric precipitation in cool climates only. In warmer and drier environments, speleothems will have a seasonal bias toward the precipitation δ 18 O of recharge periods and, in some cases, the extent of evaporative fractionation of stored karst water.
dc.language.isoENen_US
dc.title.enGlobal analysis reveals climatic controls on the oxygen isotope composition of cave drip water
dc.typeArticle de revueen_US
dc.identifier.doi10.1038/s41467-019-11027-wen_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalNature Communicationsen_US
bordeaux.volume10en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamPALEOen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcehal
hal.identifierhal-03089444
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Nature%20Communications&amp;rft.date=2019-07-05&amp;rft.volume=10&amp;rft.eissn=2041-1723&amp;rft.issn=2041-1723&amp;rft.au=BAKER,%20Andy&amp;HARTMANN,%20Andreas&amp;DUAN,%20Wuhui&amp;HANKIN,%20Stuart&amp;COMAS-BRU,%20Laia&amp;rft.genre=article


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