Arctic closure as a trigger for Atlantic overturning at the Eocene-Oligocene Transition

Proxies of deep circulation suggest that the onset or strengthening of the Atlantic meridional overturning circulation occurred at the Eocene-Oligocene Transition. The authors show, using a paleoclimate model of the late Eocene, that a shift from Pacific to Atlantic overturning can be triggered at t...

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Bibliographic Details
Published in:Nature Communications
Main Authors: David K. Hutchinson, Helen K. Coxall, Matt OʹRegan, Johan Nilsson, Rodrigo Caballero, Agatha M. de Boer
Format: Article in Journal/Newspaper
Language:English
Published: Nature Portfolio 2019
Subjects:
Science
Q
Arctic
Pacific
Online Access:https://doi.org/10.1038/s41467-019-11828-z
https://doaj.org/article/7e2e85944b174ae3914cfe90842a786d
Description
Summary:Proxies of deep circulation suggest that the onset or strengthening of the Atlantic meridional overturning circulation occurred at the Eocene-Oligocene Transition. The authors show, using a paleoclimate model of the late Eocene, that a shift from Pacific to Atlantic overturning can be triggered at this time by closing the Arctic–Atlantic gateway.

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