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Biostratigraphy of the last 50 kyr in the contourite depositional system of the Gulf of Cádiz

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDUCASSOU, Emmanuelle
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorHASSAN, Rim
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGONTHIER, Eliane
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDUPRAT, Josette
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorHANQUIEZ, Vincent
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMULDER, Thierry
dc.date.accessioned2024-04-24T14:08:21Z
dc.date.available2024-04-24T14:08:21Z
dc.date.issued2018-01-01
dc.identifier.issn0025-3227en_US
dc.identifier.urioai:crossref.org:10.1016/j.margeo.2017.09.014
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/199327
dc.description.abstractEnThis paper proposes a biostratigraphic framework for the last 50 kyr in the contourite depositional system (CDS) of the Gulf of Cádiz with a solid and independent age control, and tests the reliability of faunal-based analyses in a bottom current-dominated environment related to high current velocities. The distribution of planktonic foraminifera and pteropods has been studied in twenty-two piston cores of the Holocene and Late Pleistocene age from the Gulf of Cádiz. A detailed correlation between the cores has been made possible by a large radiocarbon and isotopic data set and a high degree of similarity of frequency changes within several species by coiling direction changes of Globorotalia truncatulinoides and Globorotalia hirsuta and by occurrences of the polar species Neogloboquadrina pachyderma and Limacina retroversa. Occurrences of these polar species are clearly related to paleoclimatic oscillations and reflect rapidly changing surface water conditions in the Gulf of Cádiz during the latest Pleistocene that have been observed regardless of sedimentation rates and sedimentary environments (contouritic drifts vs slope without bottom current influence).
dc.language.isoENen_US
dc.sourcecrossref
dc.title.enBiostratigraphy of the last 50 kyr in the contourite depositional system of the Gulf of Cádiz
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.margeo.2017.09.014en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalMarine Geologyen_US
bordeaux.page285-300en_US
bordeaux.volume395en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamSEDIMen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04558052
hal.version1
hal.date.transferred2024-04-24T14:08:23Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
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=Marine%20Geology&rft.date=2018-01-01&rft.volume=395&rft.spage=285-300&rft.epage=285-300&rft.eissn=0025-3227&rft.issn=0025-3227&rft.au=DUCASSOU,%20Emmanuelle&HASSAN,%20Rim&GONTHIER,%20Eliane&DUPRAT,%20Josette&HANQUIEZ,%20Vincent&rft.genre=article


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