Consistently dated Atlantic sediment cores over the last 40 thousand years

International audience Rapid changes in ocean circulation and climate have been observed in marine-sediment and ice cores over the last glacial period and deglaciation, highlighting the non-linear character of the climate system and underlining the possibility of rapid climate shifts in response to...

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Published in:Scientific Data
Main Authors: Waelbroeck, Claire, Lougheed, Bryan C., Vázquez Riveiros, Natalia, Missiaen, Lise, Pedro, Joel, Dokken, Trond, Hajdas, Irka, Wacker, Lukas, Abbott, Peter, Dumoulin, Jean-Pascal, Thil, François, Eynaud, Frédérique, Rossignol, Linda, Fersi, Wiem, Albuquerque, Ana Luiza Spadano, Arz, Helge W., Austin, William, Came, Rosemarie, Carlson, Anders E., Collins, James, Dennielou, Bernard, Desprat, Stéphanie, Dickson, Alex, Elliot, Mary, Farmer, Christa, Giraudeau, Jacques, Gottschalk, Julia, Henderiks, Jorijntje, Hughen, Konrad, Jung, Simon, Knutz, Paul, Lebreiro, Susana, Lund, David, Lynch-Stieglitz, Jean, Malaizé, Bruno, Marchitto, Thomas, Martínez-Méndez, Gema, Mollenhauer, Gesine, Naughton, Filipa, Nave, Silvia, Nürnberg, Dirk, Oppo, Delia W., Peck, Victoria L., Peeters, Frank J. C., Pénaud, Aurélie, Portilho-Ramos, Rodrigo da Costa, Repschläger, Janne, Roberts, Jenny, Rühlemann, Carsten, Salgueiro, Emilia, Sanchez Goni, Maria Fernanda, Schönfeld, Joachim, Scussolini, Paolo, Skinner, Luke C., Skonieczny, Charlotte, Thornalley, David, Toucanne, Samuel, Rooij, David Van, Vidal, Laurence, Voelker, Antje, Wary, Mélanie, Weldeab, Syee, Ziegler, Martin
Other Authors: Paléocéanographie (PALEOCEAN), Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology Zürich (ETH Zürich), Institute for Particle Physics, Laboratoire de mesure du carbone 14 (LMC14 - UMS 2572), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut de Radioprotection et de Sûreté Nucléaire (IRSN)-Ministère de la Culture et de la Communication (MCC)-Centre National de la Recherche Scientifique (CNRS), Environnements et Paléoenvironnements OCéaniques (EPOC), Observatoire aquitain des sciences de l'univers (OASU), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-École Pratique des Hautes Études (EPHE), Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Universidade Federal Fluminense Rio de Janeiro (UFF), College of Earth, Ocean and Atmospheric Sciences Corvallis (CEOAS), Oregon State University (OSU), German Research Centre for Geosciences - Helmholtz-Centre Potsdam (GFZ), Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Laboratoire de Planétologie et Géodynamique UMR 6112 (LPG), Université d'Angers (UA)-Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Paleobiology Program, Uppsala University, Department of Marine Chemistry and Geochemistry (WHOI), Woods Hole Oceanographic Institution (WHOI), Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine (AWI), Helmholtz-Gemeinschaft = Helmholtz Association, Laboratorio Nacional de Energia e Geologia, Departamento de Geologia Marinha, Vrije Universiteit Amsterdam Amsterdam (VU), Domaines Océaniques (LDO), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Observatoire des Sciences de l'Univers-Institut d'écologie et environnement-Centre National de la Recherche Scientifique (CNRS), Agricultural and Resource Economics Department, University of Maryland College Park, University of Maryland System-University of Maryland System, Géosciences Paris Sud (GEOPS), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Unité Géosciences Marines (GM), Centre européen de recherche et d'enseignement des géosciences de l'environnement (CEREGE), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Mathematisches institut, University of Freiburg Freiburg, NSF OCE grantsNational Science Foundation (NSF) EW9209-1JPC, V29-202, FCTFundacao para a Ciencia e a Tecnologia (FCT) UID/Multi/04326/2019, European Project: 339108,EC:FP7:ERC,ERC-2013-ADG,ACCLIMATE(2014)
Format: Article in Journal/Newspaper
Language:English
Published: HAL CCSD 2019
Subjects:
Online Access:https://hal.science/hal-02292112
https://hal.science/hal-02292112/document
https://hal.science/hal-02292112/file/2019_Waelbroeck_Scientific%20Data_1.pdf
https://doi.org/10.1038/s41597-019-0173-8
Description
Summary:International audience Rapid changes in ocean circulation and climate have been observed in marine-sediment and ice cores over the last glacial period and deglaciation, highlighting the non-linear character of the climate system and underlining the possibility of rapid climate shifts in response to anthropogenic greenhouse gas forcing. To date, these rapid changes in climate and ocean circulation are still not fully explained. One obstacle hindering progress in our understanding of the interactions between past ocean circulation and climate changes is the difficulty of accurately dating marine cores. Here, we present a set of 92 marine sediment cores from the Atlantic Ocean for which we have established age-depth models that are consistent with the Greenland GICC05 ice core chronology, and computed the associated dating uncertainties, using a new deposition modeling technique. This is the first set of consistently dated marine sediment cores enabling paleoclimate scientists to evaluate leads/lags between circulation and climate changes over vast regions of the Atlantic Ocean. Moreover, this data set is of direct use in paleoclimate modeling studies.