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Atlantic-Pacific seesaw and its role in outgassing CO2 during Heinrich events

Menviel, L; England, Matthew Heathcote; Meissner, K.J.; Mouchet, A.T.; Yu, Jimin

Description

Paleoproxy records indicate that a marked weakening of the Atlantic Meridional Overturning Circulation (AMOC) during Heinrich events was often accompanied by a notable atmospheric CO2 increase. However, previous modeling studies display conflicting atmospheric CO2 responses to an AMOC shutdown. Here we use model simulations combined with paleoproxy records to show that depending on the deep and bottom water transport in the Northern and Southern Pacific Ocean during an AMOC weakening, the ocean...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
URI: http://hdl.handle.net/1885/34999
Source: Paleoceanography
DOI: 10.1002/2013PA002542

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