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Current Atlantic Meridional Overturning Circulation weakest in last millennium

Caesar, L; McCarthy, GD; Thornalley, DJR; Cahill, N; Rahmstorf, S; (2021) Current Atlantic Meridional Overturning Circulation weakest in last millennium. Nature Geoscience , 14 pp. 118-120. 10.1038/s41561-021-00699-z. Green open access

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Abstract

The Atlantic Meridional Overturning Circulation (AMOC)—one of Earth’s major ocean circulation systems—redistributes heat on our planet and has a major impact on climate. Here, we compare a variety of published proxy records to reconstruct the evolution of the AMOC since about AD 400. A fairly consistent picture of the AMOC emerges: after a long and relatively stable period, there was an initial weakening starting in the nineteenth century, followed by a second, more rapid, decline in the mid-twentieth century, leading to the weakest state of the AMOC occurring in recent decades.

Type: Article
Title: Current Atlantic Meridional Overturning Circulation weakest in last millennium
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/s41561-021-00699-z
Publisher version: http://dx.doi.org/10.1038/s41561-021-00699-z
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Climate change; Palaeoclimate; Physical oceanography
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Geography
URI: https://discovery.ucl.ac.uk/id/eprint/10123840
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