Atlantic circulation changes across a stadial-interstadial transition
International audience Abstract. We combine consistently dated benthic carbon isotopic records distributed over the entire Atlantic Ocean with numerical simulations performed by a glacial configuration of the Norwegian Earth System Model with active ocean biogeochemistry, in order to interpret the o...
Published in: | Climate of the Past |
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Main Authors: | , , , , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2023
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Subjects: | |
Online Access: | https://cnrs.hal.science/hal-03873750 https://cnrs.hal.science/hal-03873750/document https://cnrs.hal.science/hal-03873750/file/cp-2022-83.pdf https://doi.org/10.5194/cp-19-901-2023 |
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Open Polar |
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Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
[SDE]Environmental Sciences [SDU]Sciences of the Universe [physics] |
spellingShingle |
[SDE]Environmental Sciences [SDU]Sciences of the Universe [physics] Waelbroeck, Claire Tjiputra, Jerry Guo, Chuncheng Nisancioglu, Kerim Jansen, Eystein Vazquez Riveiros, Natalia Toucanne, Samuel Eynaud, Frédérique Rossignol, Linda Dewilde, Fabien Marchès, Elodie Lebreiro, Susana Nave, Silvia Atlantic circulation changes across a stadial-interstadial transition |
topic_facet |
[SDE]Environmental Sciences [SDU]Sciences of the Universe [physics] |
description |
International audience Abstract. We combine consistently dated benthic carbon isotopic records distributed over the entire Atlantic Ocean with numerical simulations performed by a glacial configuration of the Norwegian Earth System Model with active ocean biogeochemistry, in order to interpret the observed Cibicides δ13C changes at the stadial-interstadial transition corresponding to the end of Heinrich Stadial 4 (HS4) in terms of ocean circulation and remineralization changes. We show that the marked increase in Cibicides δ13C observed at the end of HS4 between ~2000 and 4200 m in the Atlantic can be explained by changes in nutrient concentrations as simulated by the model in response to the halting of freshwater input in the high latitude glacial North Atlantic. Our model results show that this Cibicides δ13C signal is associated with changes in the ratio of southern-sourced (SSW) versus northern-sourced (NSW) water masses at the core sites, whereby SSW is replaced by NSW as a consequence of the resumption of deep water formation in the northern North Atlantic and Nordic Seas after the freshwater input is halted. Our results further suggest that the contribution of ocean circulation changes to this signal increases from ~40 % at 2000 m to ~80 % at 4000 m. Below ~4200 m, the model shows little ocean circulation change but an increase in remineralization across the transition marking the end of HS4. The simulated lower remineralization during stadials than interstadials is particularly pronounced in deep subantarctic sites, in agreement with the decrease in the export production of carbon to the deep Southern Ocean during stadials found in previous studies. |
author2 |
Processus et interactions de fine échelle océanique (PROTEO) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Bjerknes Centre for Climate Research (BCCR) Department of Biological Sciences Bergen (BIO / UiB) University of Bergen (UiB)-University of Bergen (UiB) Centre for Earth Evolution and Dynamics Oslo (CEED) Department of Geosciences Oslo Faculty of Mathematics and Natural Sciences Oslo University of Oslo (UiO)-University of Oslo (UiO)-Faculty of Mathematics and Natural Sciences Oslo University of Oslo (UiO)-University of Oslo (UiO) Laboratoire Géodynamique et enregistrement Sédimentaire (LGS) Géosciences Marines (GM) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) 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) Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Service Hydrographique et Océanographique de la Marine (SHOM) Ministère de la Défense Instituto Geológico y Minero de España (IGME) Laboratorio Nacional de Energia e Geologia Departamento de Geologia Marinha European Project: 339108,EC:FP7:ERC,ERC-2013-ADG,ACCLIMATE(2014) |
format |
Article in Journal/Newspaper |
author |
Waelbroeck, Claire Tjiputra, Jerry Guo, Chuncheng Nisancioglu, Kerim Jansen, Eystein Vazquez Riveiros, Natalia Toucanne, Samuel Eynaud, Frédérique Rossignol, Linda Dewilde, Fabien Marchès, Elodie Lebreiro, Susana Nave, Silvia |
author_facet |
Waelbroeck, Claire Tjiputra, Jerry Guo, Chuncheng Nisancioglu, Kerim Jansen, Eystein Vazquez Riveiros, Natalia Toucanne, Samuel Eynaud, Frédérique Rossignol, Linda Dewilde, Fabien Marchès, Elodie Lebreiro, Susana Nave, Silvia |
author_sort |
Waelbroeck, Claire |
title |
Atlantic circulation changes across a stadial-interstadial transition |
title_short |
Atlantic circulation changes across a stadial-interstadial transition |
title_full |
Atlantic circulation changes across a stadial-interstadial transition |
title_fullStr |
Atlantic circulation changes across a stadial-interstadial transition |
title_full_unstemmed |
Atlantic circulation changes across a stadial-interstadial transition |
title_sort |
atlantic circulation changes across a stadial-interstadial transition |
publisher |
HAL CCSD |
publishDate |
2023 |
url |
https://cnrs.hal.science/hal-03873750 https://cnrs.hal.science/hal-03873750/document https://cnrs.hal.science/hal-03873750/file/cp-2022-83.pdf https://doi.org/10.5194/cp-19-901-2023 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Nordic Seas North Atlantic Southern Ocean |
genre_facet |
Nordic Seas North Atlantic Southern Ocean |
op_source |
ISSN: 1814-9340 EISSN: 1814-9359 Climate of the Past Discussions https://cnrs.hal.science/hal-03873750 Climate of the Past Discussions, 2023, 19 (5), ⟨10.5194/cp-19-901-2023⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/cp-19-901-2023 info:eu-repo/grantAgreement/EC/FP7/339108/EU/Elucidating the Causes and Effects of Atlantic Circulation Changes through Model-Data Integration/ACCLIMATE hal-03873750 https://cnrs.hal.science/hal-03873750 https://cnrs.hal.science/hal-03873750/document https://cnrs.hal.science/hal-03873750/file/cp-2022-83.pdf doi:10.5194/cp-19-901-2023 WOS: 001033179700001 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/cp-19-901-2023 |
container_title |
Climate of the Past |
container_volume |
19 |
container_issue |
5 |
container_start_page |
901 |
op_container_end_page |
913 |
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1790603361488207872 |
spelling |
ftinsu:oai:HAL:hal-03873750v1 2024-02-11T10:05:59+01:00 Atlantic circulation changes across a stadial-interstadial transition Waelbroeck, Claire Tjiputra, Jerry Guo, Chuncheng Nisancioglu, Kerim Jansen, Eystein Vazquez Riveiros, Natalia Toucanne, Samuel Eynaud, Frédérique Rossignol, Linda Dewilde, Fabien Marchès, Elodie Lebreiro, Susana Nave, Silvia Processus et interactions de fine échelle océanique (PROTEO) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Bjerknes Centre for Climate Research (BCCR) Department of Biological Sciences Bergen (BIO / UiB) University of Bergen (UiB)-University of Bergen (UiB) Centre for Earth Evolution and Dynamics Oslo (CEED) Department of Geosciences Oslo Faculty of Mathematics and Natural Sciences Oslo University of Oslo (UiO)-University of Oslo (UiO)-Faculty of Mathematics and Natural Sciences Oslo University of Oslo (UiO)-University of Oslo (UiO) Laboratoire Géodynamique et enregistrement Sédimentaire (LGS) Géosciences Marines (GM) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) 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) Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Service Hydrographique et Océanographique de la Marine (SHOM) Ministère de la Défense Instituto Geológico y Minero de España (IGME) Laboratorio Nacional de Energia e Geologia Departamento de Geologia Marinha European Project: 339108,EC:FP7:ERC,ERC-2013-ADG,ACCLIMATE(2014) 2023 https://cnrs.hal.science/hal-03873750 https://cnrs.hal.science/hal-03873750/document https://cnrs.hal.science/hal-03873750/file/cp-2022-83.pdf https://doi.org/10.5194/cp-19-901-2023 en eng HAL CCSD European Geosciences Union (EGU) info:eu-repo/semantics/altIdentifier/doi/10.5194/cp-19-901-2023 info:eu-repo/grantAgreement/EC/FP7/339108/EU/Elucidating the Causes and Effects of Atlantic Circulation Changes through Model-Data Integration/ACCLIMATE hal-03873750 https://cnrs.hal.science/hal-03873750 https://cnrs.hal.science/hal-03873750/document https://cnrs.hal.science/hal-03873750/file/cp-2022-83.pdf doi:10.5194/cp-19-901-2023 WOS: 001033179700001 info:eu-repo/semantics/OpenAccess ISSN: 1814-9340 EISSN: 1814-9359 Climate of the Past Discussions https://cnrs.hal.science/hal-03873750 Climate of the Past Discussions, 2023, 19 (5), ⟨10.5194/cp-19-901-2023⟩ [SDE]Environmental Sciences [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2023 ftinsu https://doi.org/10.5194/cp-19-901-2023 2024-01-24T17:26:38Z International audience Abstract. We combine consistently dated benthic carbon isotopic records distributed over the entire Atlantic Ocean with numerical simulations performed by a glacial configuration of the Norwegian Earth System Model with active ocean biogeochemistry, in order to interpret the observed Cibicides δ13C changes at the stadial-interstadial transition corresponding to the end of Heinrich Stadial 4 (HS4) in terms of ocean circulation and remineralization changes. We show that the marked increase in Cibicides δ13C observed at the end of HS4 between ~2000 and 4200 m in the Atlantic can be explained by changes in nutrient concentrations as simulated by the model in response to the halting of freshwater input in the high latitude glacial North Atlantic. Our model results show that this Cibicides δ13C signal is associated with changes in the ratio of southern-sourced (SSW) versus northern-sourced (NSW) water masses at the core sites, whereby SSW is replaced by NSW as a consequence of the resumption of deep water formation in the northern North Atlantic and Nordic Seas after the freshwater input is halted. Our results further suggest that the contribution of ocean circulation changes to this signal increases from ~40 % at 2000 m to ~80 % at 4000 m. Below ~4200 m, the model shows little ocean circulation change but an increase in remineralization across the transition marking the end of HS4. The simulated lower remineralization during stadials than interstadials is particularly pronounced in deep subantarctic sites, in agreement with the decrease in the export production of carbon to the deep Southern Ocean during stadials found in previous studies. Article in Journal/Newspaper Nordic Seas North Atlantic Southern Ocean Institut national des sciences de l'Univers: HAL-INSU Southern Ocean Climate of the Past 19 5 901 913 |