Interglacial instability of North Atlantic Deep Water ventilation
Disrupting North Atlantic Deep Water (NADW) ventilation is a key concern in climate projections. We use (sub)centennially resolved bottom water δ13C records that span the interglacials of the last 0.5 million years to assess the frequency of and the climatic backgrounds capable of triggering large N...
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American Association for the Advancement of Science (AAAS)
2020
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Online Access: | https://doi.org/10.1126/science.aay6381 https://archimer.ifremer.fr/doc/00663/77524/79329.pdf https://archimer.ifremer.fr/doc/00663/77524/79330.pdf https://archimer.ifremer.fr/doc/00663/77524/79331.pdf https://archimer.ifremer.fr/doc/00663/77524/79332.xlsx |
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fttriple:oai:gotriple.eu:10670/1.d1sy8t 2023-05-15T17:13:49+02:00 Interglacial instability of North Atlantic Deep Water ventilation Galaasen, Eirik Vinje Ninnemann, Ulysses S. Kessler, Augustin Irvalı, Nil Rosenthal, Yair Tjiputra, Jerry Bouttes, Nathaëlle Roche, Didier M. Kleiven, Helga (kikki) F. Hodell, David A. 2020-01-01 https://doi.org/10.1126/science.aay6381 https://archimer.ifremer.fr/doc/00663/77524/79329.pdf https://archimer.ifremer.fr/doc/00663/77524/79330.pdf https://archimer.ifremer.fr/doc/00663/77524/79331.pdf https://archimer.ifremer.fr/doc/00663/77524/79332.xlsx en eng American Association for the Advancement of Science (AAAS) doi:10.1126/science.aay6381 10670/1.d1sy8t https://archimer.ifremer.fr/doc/00663/77524/79329.pdf https://archimer.ifremer.fr/doc/00663/77524/79330.pdf https://archimer.ifremer.fr/doc/00663/77524/79331.pdf https://archimer.ifremer.fr/doc/00663/77524/79332.xlsx other Archimer, archive institutionnelle de l'Ifremer Science (0036-8075) (American Association for the Advancement of Science (AAAS)), 2020-03 , Vol. 367 , N. 6485 , P. 1485-1489 envir anthro-bio Text https://vocabularies.coar-repositories.org/resource_types/c_18cf/ 2020 fttriple https://doi.org/10.1126/science.aay6381 2023-01-22T16:46:39Z Disrupting North Atlantic Deep Water (NADW) ventilation is a key concern in climate projections. We use (sub)centennially resolved bottom water δ13C records that span the interglacials of the last 0.5 million years to assess the frequency of and the climatic backgrounds capable of triggering large NADW reductions. Episodes of reduced NADW in the deep Atlantic, similar in magnitude to glacial events, have been relatively common and occasionally long-lasting features of interglacials. NADW reductions were triggered across the range of recent interglacial climate backgrounds, which demonstrates that catastrophic freshwater outburst floods were not a prerequisite for large perturbations. Our results argue that large NADW disruptions are more easily achieved than previously appreciated and that they occurred in past climate conditions similar to those we may soon face. Text NADW North Atlantic Deep Water North Atlantic Unknown Science 367 6485 1485 1489 |
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envir anthro-bio |
spellingShingle |
envir anthro-bio Galaasen, Eirik Vinje Ninnemann, Ulysses S. Kessler, Augustin Irvalı, Nil Rosenthal, Yair Tjiputra, Jerry Bouttes, Nathaëlle Roche, Didier M. Kleiven, Helga (kikki) F. Hodell, David A. Interglacial instability of North Atlantic Deep Water ventilation |
topic_facet |
envir anthro-bio |
description |
Disrupting North Atlantic Deep Water (NADW) ventilation is a key concern in climate projections. We use (sub)centennially resolved bottom water δ13C records that span the interglacials of the last 0.5 million years to assess the frequency of and the climatic backgrounds capable of triggering large NADW reductions. Episodes of reduced NADW in the deep Atlantic, similar in magnitude to glacial events, have been relatively common and occasionally long-lasting features of interglacials. NADW reductions were triggered across the range of recent interglacial climate backgrounds, which demonstrates that catastrophic freshwater outburst floods were not a prerequisite for large perturbations. Our results argue that large NADW disruptions are more easily achieved than previously appreciated and that they occurred in past climate conditions similar to those we may soon face. |
format |
Text |
author |
Galaasen, Eirik Vinje Ninnemann, Ulysses S. Kessler, Augustin Irvalı, Nil Rosenthal, Yair Tjiputra, Jerry Bouttes, Nathaëlle Roche, Didier M. Kleiven, Helga (kikki) F. Hodell, David A. |
author_facet |
Galaasen, Eirik Vinje Ninnemann, Ulysses S. Kessler, Augustin Irvalı, Nil Rosenthal, Yair Tjiputra, Jerry Bouttes, Nathaëlle Roche, Didier M. Kleiven, Helga (kikki) F. Hodell, David A. |
author_sort |
Galaasen, Eirik Vinje |
title |
Interglacial instability of North Atlantic Deep Water ventilation |
title_short |
Interglacial instability of North Atlantic Deep Water ventilation |
title_full |
Interglacial instability of North Atlantic Deep Water ventilation |
title_fullStr |
Interglacial instability of North Atlantic Deep Water ventilation |
title_full_unstemmed |
Interglacial instability of North Atlantic Deep Water ventilation |
title_sort |
interglacial instability of north atlantic deep water ventilation |
publisher |
American Association for the Advancement of Science (AAAS) |
publishDate |
2020 |
url |
https://doi.org/10.1126/science.aay6381 https://archimer.ifremer.fr/doc/00663/77524/79329.pdf https://archimer.ifremer.fr/doc/00663/77524/79330.pdf https://archimer.ifremer.fr/doc/00663/77524/79331.pdf https://archimer.ifremer.fr/doc/00663/77524/79332.xlsx |
genre |
NADW North Atlantic Deep Water North Atlantic |
genre_facet |
NADW North Atlantic Deep Water North Atlantic |
op_source |
Archimer, archive institutionnelle de l'Ifremer Science (0036-8075) (American Association for the Advancement of Science (AAAS)), 2020-03 , Vol. 367 , N. 6485 , P. 1485-1489 |
op_relation |
doi:10.1126/science.aay6381 10670/1.d1sy8t https://archimer.ifremer.fr/doc/00663/77524/79329.pdf https://archimer.ifremer.fr/doc/00663/77524/79330.pdf https://archimer.ifremer.fr/doc/00663/77524/79331.pdf https://archimer.ifremer.fr/doc/00663/77524/79332.xlsx |
op_rights |
other |
op_doi |
https://doi.org/10.1126/science.aay6381 |
container_title |
Science |
container_volume |
367 |
container_issue |
6485 |
container_start_page |
1485 |
op_container_end_page |
1489 |
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1766071001915850752 |