Atlantic circulation changes across a stadial–interstadial transition

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Abstract δ 13 δ 13 ∼ 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 δ 13 ∼ 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 compared to during 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.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Atlantic circulation changes across a stadial–interstadial transition ; volume:19 ; number:5 ; year:2023 ; pages:901-913 ; extent:13
Climate of the past ; 19, Heft 5 (2023), 901-913 (gesamt 13)

Creator: Waelbroeck, Claire
Tjiputra, Jerry
Guo, Chuncheng
Nisancioglu, Kerim H.
Jansen, Eystein
Vázquez Riveiros, Natalia
Toucanne, Samuel
Eynaud, Frédérique
Rossignol, Linda
Dewilde, Fabien
Marchès, Elodie
Lebreiro, Susana
Nave, Silvia

DOI: 10.5194/cp-19-901-2023

URN: urn:nbn:de:101:1-2023051104352549283737

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 14.08.2025, 10:50 AM CEST

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Associated

Waelbroeck, Claire
Tjiputra, Jerry
Guo, Chuncheng
Nisancioglu, Kerim H.
Jansen, Eystein
Vázquez Riveiros, Natalia
Toucanne, Samuel
Eynaud, Frédérique
Rossignol, Linda
Dewilde, Fabien
Marchès, Elodie
Lebreiro, Susana
Nave, Silvia

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