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Towards a more saline North Atlantic and a fresher Arctic under global warming

Bethke, Ingo; Furevik, Tore; Drange, Helge
Peer reviewed, Journal article
Published version
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URI
https://hdl.handle.net/1956/2089
Date
2006-11-14
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  • Geophysical Institute [1362]
Original version
https://doi.org/10.1029/2006gl027264
Abstract
Most atmosphere-ocean general circulation models (GCMs) forced with increasing greenhouse gas concentrations predict enhanced atmospheric moisture transports to the high northern latitudes. Together with melting of Arctic sea ice and glaciers, this has led to the expectation of a gradual freshening of the northern North Atlantic, tending to reduce the strength of the Atlantic Meridional Overturning Circulation (AMOC). Here a multi-member greenhouse gas GCM experiment is used to demonstrate that both the salinity in the North Atlantic and the inflow of Atlantic Water to the Nordic Seas may increase despite a strong freshening of the Arctic Ocean and a reduced AMOC.
Publisher
American Geophysical Union
Journal
Geophysical Research Letters
Copyright
Copyright 2006 by the American Geophysical Union

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