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Current Atlantic Meridional Overturning Circulation weakest in last millennium

Authors
/persons/resource/caesar

Caesar,  Levke
Potsdam Institute for Climate Impact Research;

McCarthy,  G. D.
External Organizations;

Thornalley,  D. J. R.
External Organizations;

Cahill,  N.
External Organizations;

/persons/resource/Stefan.Rahmstorf

Rahmstorf,  Stefan
Potsdam Institute for Climate Impact Research;

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Citation

Caesar, L., McCarthy, G. D., Thornalley, D. J. R., Cahill, N., Rahmstorf, S. (2021): Current Atlantic Meridional Overturning Circulation weakest in last millennium. - Nature Geoscience, 14, 3, 118-120.
https://doi.org/10.1038/s41561-021-00699-z


Cite as: https://publications.pik-potsdam.de/pubman/item/item_24942
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.