Active North Atlantic deepwater formation during Heinrich Stadial 1
International audience Deepwater circulation significantly changed during the last deglaciation from a shallow to a deepreaching overturning cell. This change went along with a drawdown of isotopically light waters into the abyss and a deep ocean warming that changed deep ocean stratification from a...
Published in: | Quaternary Science Reviews |
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Main Authors: | , , , , , , , , , , |
Other Authors: | , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2021
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Subjects: | |
Online Access: | https://hal.science/hal-03541822 https://hal.science/hal-03541822/document https://hal.science/hal-03541822/file/1-s2.0-S0277379121003528-main-2.pdf https://doi.org/10.1016/j.quascirev.2021.107145 |
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openpolar |
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Open Polar |
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Aix-Marseille Université: HAL |
op_collection_id |
ftunivaixmarseil |
language |
English |
topic |
Quaternary Paleoceanography North Atlantic Data compilation stable isotopes [SDE.MCG]Environmental Sciences/Global Changes [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy |
spellingShingle |
Quaternary Paleoceanography North Atlantic Data compilation stable isotopes [SDE.MCG]Environmental Sciences/Global Changes [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy Repschläger, Janne Zhao, Ning Rand, Devin Lisiecki, Lorraine Muglia, Juan Mulitza, Stefan Schmittner, Andreas Cartapanis, Olivier Bauch, Henning, A Schiebel, Ralf Haug, Gerald, H Active North Atlantic deepwater formation during Heinrich Stadial 1 |
topic_facet |
Quaternary Paleoceanography North Atlantic Data compilation stable isotopes [SDE.MCG]Environmental Sciences/Global Changes [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy |
description |
International audience Deepwater circulation significantly changed during the last deglaciation from a shallow to a deepreaching overturning cell. This change went along with a drawdown of isotopically light waters into the abyss and a deep ocean warming that changed deep ocean stratification from a salinity-to a temperature-controlled mode. Yet, the exact mechanisms causing these changes are still unknown. Furthermore, the long-standing idea of a complete shutdown of North Atlantic deepwater formation during Heinrich Stadial 1 (HS1) (17.5e14.6 kyr BP) remains prevalent. Here, we present a new compilation of benthic d 13 C and d 18 O data from the North Atlantic at high temporal resolution with consistent age models, established as part of the international PAGES working group OC3, to investigate deepwater properties in the North Atlantic. The extensive compilation, which includes 105 sediment cores, reveals different water masses during HS1. A water mass with heavy d 13 C and d 18 O signature occupies the Iceland Basin, whereas between 20 and 50 N, a distinct tongue of 18 O depleted, 13 C enriched water reaches down to 4000 m water depths. The heavy d 13 C signature indicates active deepwater formation in the North Atlantic during HS1. Differences in its d 18 O signature indicate either different sources or an alteration of the deepwater on its southward pathway. Based on these results, we discuss concepts of deepwater formation in the North Atlantic that help to explain the deglacial change from a salinity-driven to a temperature-driven circulation mode. |
author2 |
Max Planck Institute for Chemistry (MPIC) Max-Planck-Gesellschaft University of California (UC) Centro para el Estudio de Sistemas Marinos (CESIMAR/CENPAT-CONICET) (CESIMAR) University of Bremen College of Earth, Ocean and Atmospheric Sciences Corvallis (CEOAS) Oregon State University (OSU) 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) Alfred Wegener Institute Potsdam 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-Helmholtz-Gemeinschaft = Helmholtz Association |
format |
Article in Journal/Newspaper |
author |
Repschläger, Janne Zhao, Ning Rand, Devin Lisiecki, Lorraine Muglia, Juan Mulitza, Stefan Schmittner, Andreas Cartapanis, Olivier Bauch, Henning, A Schiebel, Ralf Haug, Gerald, H |
author_facet |
Repschläger, Janne Zhao, Ning Rand, Devin Lisiecki, Lorraine Muglia, Juan Mulitza, Stefan Schmittner, Andreas Cartapanis, Olivier Bauch, Henning, A Schiebel, Ralf Haug, Gerald, H |
author_sort |
Repschläger, Janne |
title |
Active North Atlantic deepwater formation during Heinrich Stadial 1 |
title_short |
Active North Atlantic deepwater formation during Heinrich Stadial 1 |
title_full |
Active North Atlantic deepwater formation during Heinrich Stadial 1 |
title_fullStr |
Active North Atlantic deepwater formation during Heinrich Stadial 1 |
title_full_unstemmed |
Active North Atlantic deepwater formation during Heinrich Stadial 1 |
title_sort |
active north atlantic deepwater formation during heinrich stadial 1 |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://hal.science/hal-03541822 https://hal.science/hal-03541822/document https://hal.science/hal-03541822/file/1-s2.0-S0277379121003528-main-2.pdf https://doi.org/10.1016/j.quascirev.2021.107145 |
genre |
Iceland North Atlantic |
genre_facet |
Iceland North Atlantic |
op_source |
ISSN: 0277-3791 EISSN: 1873-457X Quaternary Science Reviews https://hal.science/hal-03541822 Quaternary Science Reviews, 2021, 270, pp.107145. ⟨10.1016/j.quascirev.2021.107145⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.quascirev.2021.107145 hal-03541822 https://hal.science/hal-03541822 https://hal.science/hal-03541822/document https://hal.science/hal-03541822/file/1-s2.0-S0277379121003528-main-2.pdf doi:10.1016/j.quascirev.2021.107145 WOS: 000703094700003 |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.quascirev.2021.107145 |
container_title |
Quaternary Science Reviews |
container_volume |
270 |
container_start_page |
107145 |
_version_ |
1797585717937831936 |
spelling |
ftunivaixmarseil:oai:HAL:hal-03541822v1 2024-04-28T08:26:16+00:00 Active North Atlantic deepwater formation during Heinrich Stadial 1 Repschläger, Janne Zhao, Ning Rand, Devin Lisiecki, Lorraine Muglia, Juan Mulitza, Stefan Schmittner, Andreas Cartapanis, Olivier Bauch, Henning, A Schiebel, Ralf Haug, Gerald, H Max Planck Institute for Chemistry (MPIC) Max-Planck-Gesellschaft University of California (UC) Centro para el Estudio de Sistemas Marinos (CESIMAR/CENPAT-CONICET) (CESIMAR) University of Bremen College of Earth, Ocean and Atmospheric Sciences Corvallis (CEOAS) Oregon State University (OSU) 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) Alfred Wegener Institute Potsdam 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-Helmholtz-Gemeinschaft = Helmholtz Association 2021-10 https://hal.science/hal-03541822 https://hal.science/hal-03541822/document https://hal.science/hal-03541822/file/1-s2.0-S0277379121003528-main-2.pdf https://doi.org/10.1016/j.quascirev.2021.107145 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.quascirev.2021.107145 hal-03541822 https://hal.science/hal-03541822 https://hal.science/hal-03541822/document https://hal.science/hal-03541822/file/1-s2.0-S0277379121003528-main-2.pdf doi:10.1016/j.quascirev.2021.107145 WOS: 000703094700003 http://creativecommons.org/licenses/by-nc-nd/ info:eu-repo/semantics/OpenAccess ISSN: 0277-3791 EISSN: 1873-457X Quaternary Science Reviews https://hal.science/hal-03541822 Quaternary Science Reviews, 2021, 270, pp.107145. ⟨10.1016/j.quascirev.2021.107145⟩ Quaternary Paleoceanography North Atlantic Data compilation stable isotopes [SDE.MCG]Environmental Sciences/Global Changes [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.PG]Sciences of the Universe [physics]/Earth Sciences/Paleontology [SDU.STU.ST]Sciences of the Universe [physics]/Earth Sciences/Stratigraphy info:eu-repo/semantics/article Journal articles 2021 ftunivaixmarseil https://doi.org/10.1016/j.quascirev.2021.107145 2024-04-04T17:30:39Z International audience Deepwater circulation significantly changed during the last deglaciation from a shallow to a deepreaching overturning cell. This change went along with a drawdown of isotopically light waters into the abyss and a deep ocean warming that changed deep ocean stratification from a salinity-to a temperature-controlled mode. Yet, the exact mechanisms causing these changes are still unknown. Furthermore, the long-standing idea of a complete shutdown of North Atlantic deepwater formation during Heinrich Stadial 1 (HS1) (17.5e14.6 kyr BP) remains prevalent. Here, we present a new compilation of benthic d 13 C and d 18 O data from the North Atlantic at high temporal resolution with consistent age models, established as part of the international PAGES working group OC3, to investigate deepwater properties in the North Atlantic. The extensive compilation, which includes 105 sediment cores, reveals different water masses during HS1. A water mass with heavy d 13 C and d 18 O signature occupies the Iceland Basin, whereas between 20 and 50 N, a distinct tongue of 18 O depleted, 13 C enriched water reaches down to 4000 m water depths. The heavy d 13 C signature indicates active deepwater formation in the North Atlantic during HS1. Differences in its d 18 O signature indicate either different sources or an alteration of the deepwater on its southward pathway. Based on these results, we discuss concepts of deepwater formation in the North Atlantic that help to explain the deglacial change from a salinity-driven to a temperature-driven circulation mode. Article in Journal/Newspaper Iceland North Atlantic Aix-Marseille Université: HAL Quaternary Science Reviews 270 107145 |