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Contourites of the Gulf of Cadiz: a high-resolution record of the paleocirculation of the Mediterranean outflow water during the last 50,000 years

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorTOUCANNE, Samuel
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMULDER, Thierry
dc.contributor.authorSCHÖNFELD, Joachim
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorHANQUIEZ, Vincent
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGONTHIER, Eliane
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDUPRAT, J.
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorCREMER, Michel
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorZARAGOSI, Sebastien
IDREF: 189039159
dc.date.accessioned2024-10-25T12:11:15Z
dc.date.available2024-10-25T12:11:15Z
dc.date.issued2007-01-01
dc.identifier.issn0031-0182en_US
dc.identifier.urihttp://oceanrep.geomar.de/5340/
dc.identifier.urioai:crossref.org:10.1016/j.palaeo.2006.10.007
dc.identifier.uriftoceanrep:oai:oceanrep.geomar.de:5340
dc.identifier.urioai:researchgate.net:250306433
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/202821
dc.description.abstractEnThe Mediterranean outflow water (MOW) paleocirculation during the last 50,000 years has been inferred from the grain-size distribution of contourite beds in core MD99-2341 from the Gulf of Cadiz (Southern Iberian Margin–Atlantic Ocean). Three main contourite facies are described. Their vertical succession defines two contourite sequences that reveal past variations of the MOW bottom-current velocity. A comparison of contourite sequences and the planktonic δ18O record of core MD99-2341 with the δ18O record from Greenland Ice Core GISP2 show a close correlation of sea-surface water conditions and deep-sea contouritic sedimentation in the Gulf of Cadiz with Northern Hemisphere climate variability on millennial timescales. A high MOW velocity prevailed during Dansgaard-Oeschger stadials, Heinrich events and the Younger Dryas cold climatic interval. The MOW velocity was comparatively low during the warm Dansgaard-Oeschger interstadials, Bølling-Allerød and the Early Holocene. Rapid sea-level fluctuations on the order of 35 m during Marine Oxygen Isotope Stage 3 are considered to have exerted limiting controls on the MOW volume transport and thus positively modulated the MOW behaviour during the last 50 kyr.
dc.language.isoENen_US
dc.sourcecrossref
dc.sourcebase
dc.sourceresearchgate
dc.title.enContourites of the Gulf of Cadiz: a high-resolution record of the paleocirculation of the Mediterranean outflow water during the last 50,000 years
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.palaeo.2006.10.007en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalPalaeogeography, Palaeoclimatology, Palaeoecologyen_US
bordeaux.page354-366en_US
bordeaux.volume246en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue2-4en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamGEOLSEDen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Palaeogeography,%20Palaeoclimatology,%20Palaeoecology&rft.date=2007-01-01&rft.volume=246&rft.issue=2-4&rft.spage=354-366&rft.epage=354-366&rft.eissn=0031-0182&rft.issn=0031-0182&rft.au=TOUCANNE,%20Samuel&MULDER,%20Thierry&SCH%C3%96NFELD,%20Joachim&HANQUIEZ,%20Vincent&GONTHIER,%20Eliane&rft.genre=article


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