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Reduced North Atlantic Central Water formation in response to early Holocene ice?sheet melting

Bamberg, Audrey; Rosenthal, Y; Paul, A; Heslop, David; Mulitza, Stefan; Rühlemann, Carsten; Schulz, Michael

Description

Central waters of the North Atlantic are fundamental for ventilation of the upper ocean and are also linked to the strength of the Atlantic Meridional Overturning Circulation (AMOC). Here, we show based on benthic foraminiferal Mg/Ca ratios, that during times of enhanced melting from the Laurentide Ice Sheet (LIS) between 9.0-8.5 thousand years before present (ka) the production of central waters weakened the upper AMOC resulting in a cooling over the Northern Hemisphere. Centered at 8.54 0.2...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/28041
Source: Geophysical Research Letters
DOI: 10.1029/2010GL043878

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