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The sandy channel-lobe depositional systems in the Gulf of Cadiz: Gravity processes forced by contour current processes

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorHANQUIEZ, Vincent
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMULDER, Thierry
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorTOUCANNE, Samuel
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorLECROART, Pascal
dc.contributor.authorBONNEL, Cédric
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMARCHES, Elodie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGONTHIER, Eliane
dc.date.accessioned2024-11-13T14:53:47Z
dc.date.available2024-11-13T14:53:47Z
dc.date.issued2010-08-01
dc.identifier.issn0037-0738en_US
dc.identifier.urihttp://hal.archives-ouvertes.fr/hal-00904440
dc.identifier.urihttps://hal.archives-ouvertes.fr/hal-00989953
dc.identifier.uriftccsdartic:oai:hal.archives-ouvertes.fr:hal-00904440
dc.identifier.uriftecolephe:oai:HAL:hal-00989953v1
dc.identifier.urioai:researchgate.net:248233174
dc.identifier.urioai:crossref.org:10.1016/j.sedgeo.2009.05.008
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/203246
dc.description.abstractEnThe sedimentation in the Gulf of Cadiz (NE Atlantic Ocean) is significantly controlled by the Mediterranean Outflow Water (MOW). Along its pathway onto the continental slope, the MOW is canalized by contourite channels, some of them feeding gravity sandy channel-lobe depositional systems firstly recognized in previous study [Habgood et al., 2003. Deep-water sediment wave fields, bottom current sand channels and gravity flow channel-lobe systems: Gulf of Cadiz, NE Atlantic. Sedimentology 50(3), 483-510.].Using very high resolution acoustic data and cores, a detailed characterization and a new evolution pattern of these channel-lobe depositional systems is established. Complex internal geometry of the lobes shows several depositional units revealing a polyphase evolution of these systems, with a general progradation punctuated by retrogradation and avulsion phases. A gravity origin controlled by contouritic processes and climatic changes is demonstrated for the feeding and the evolution of these sandy channel-lobe depositional systems. Climate oscillations, via the MOW variations, act as a major forcing of the activity of the channel-lobe depositional systems during the Late Quaternary.
dc.language.isoENen_US
dc.sourcebase
dc.sourceresearchgate
dc.sourcecrossref
dc.title.enThe sandy channel-lobe depositional systems in the Gulf of Cadiz: Gravity processes forced by contour current processes
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.sedgeo.2009.05.008en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalSedimentary Geologyen_US
bordeaux.page110-123en_US
bordeaux.volume229en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue3en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_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
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