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Holocene polynya dynamics and their interaction with oceanic heat transport in northernmost Baffin Bay

dc.rights.licenseopenen_US
hal.structure.identifierDepartment of Glaciology and Climate
dc.contributor.authorJACKSON, Rebecca
hal.structure.identifierDepartment of Glaciology and Climate
dc.contributor.authorKVORNING, Anna
hal.structure.identifierDepartment of Earth Sciences, University of New Brunswick
dc.contributor.authorLIMOGES, Audrey
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGEORGIADIS, Eleanor
hal.structure.identifierDanish Meteorological Institute [DMI]
dc.contributor.authorOLSEN, Steffen M.
hal.structure.identifierFaculty of Biological and Environmental Sciences [Helsinki]
dc.contributor.authorTALLBERG, Petra
hal.structure.identifierDepartment of Geosciences and Natural Resource Management [Copenhagen] [IGN]
dc.contributor.authorANDERSEN, Thorbjørn
hal.structure.identifierDepartment of Glaciology and Climate
dc.contributor.authorMIKKELSEN, Naja
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGIRAUDEAU, Jacques
hal.structure.identifierStation de Biologie Marine de Concarneau
hal.structure.identifierVariabilité de l'Océan et de la Glace de mer [LOCEAN-VOG]
hal.structure.identifierTakuvik International Research Laboratory
dc.contributor.authorMASSÉ, Guillaume
hal.structure.identifierIon Beam Physics [ETH Zürich]
dc.contributor.authorWACKER, Lukas
hal.structure.identifierDepartment of Glaciology and Climate
dc.contributor.authorRIBEIRO, Sofia
dc.date.accessioned2024-03-11T11:42:29Z
dc.date.available2024-03-11T11:42:29Z
dc.date.issued2021
dc.identifier.issn2045-2322en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/188664
dc.description.abstractEnBaffin Bay hosts the largest and most productive of the Arctic polynyas: the North Water (NOW). Despite its significance and active role in water mass formation, the history of the NOW beyond the observational era remains poorly known. We reconcile the previously unassessed relationship between long-term NOW dynamics and ocean conditions by applying a multiproxy approach to two marine sediment cores from the region that, together, span the Holocene. Declining influence of Atlantic Water in the NOW is coeval with regional records that indicate the inception of a strong and recurrent polynya from ~ 4400 yrs BP, in line with Neoglacial cooling. During warmer Holocene intervals such as the Roman Warm Period, a weaker NOW is evident, and its reduced capacity to influence bottom ocean conditions facilitated northward penetration of Atlantic Water. Future warming in the Arctic may have negative consequences for this vital biological oasis, with the potential knock-on effect of warm water penetration further north and intensified melt of the marine-terminating glaciers that flank the coast of northwest Greenland.
dc.language.isoENen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.title.enHolocene polynya dynamics and their interaction with oceanic heat transport in northernmost Baffin Bay
dc.typeArticle de revueen_US
dc.identifier.doi10.1038/s41598-021-88517-9en_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Océanographieen_US
dc.subject.halPlanète et Univers [physics]/Sciences de la Terre/Climatologieen_US
bordeaux.journalScientific Reportsen_US
bordeaux.page10095en_US
bordeaux.volume11en_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-03230572
hal.version1
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcehal
dc.rights.ccCC BYen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Scientific%20Reports&rft.date=2021&rft.volume=11&rft.spage=10095&rft.epage=10095&rft.eissn=2045-2322&rft.issn=2045-2322&rft.au=JACKSON,%20Rebecca&KVORNING,%20Anna&LIMOGES,%20Audrey&GEORGIADIS,%20Eleanor&OLSEN,%20Steffen%20M.&rft.genre=article


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