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Oscillatory sensitivity of Atlantic overturning to high-latitude forcing

Abstract:

The Atlantic Meridional Overturning Circulation (AMOC) carries warm upper waters into northern high-latitudes and returns cold deept waters southward. Under anthropogenic greenhouse gas forcing the AMOC is expected to weaken due to high-latitude warming and freshening. Here, we show that the sensitivity of the AMOC to an impulsive forcing at high latitudes is an oscillatory function of forcing lead time. This leads to the counter-intuitive result that a stronger AMOC can emerge as a result of...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1029/2010GL043177

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atmos Ocean & Planet Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atmos Ocean & Planet Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
More from this funder
Funding agency for:
Johnson, H
Natural Environment Research Council More from this funder
Publisher:
American Geophysical Union Publisher's website
Journal:
Geophysical Research Letters Journal website
Volume:
37
Article number:
L10601
Publication date:
2010-05-01
DOI:
ISSN:
0094–8276
Language:
English
Keywords:
Subjects:
UUID:
uuid:409cb739-dea7-489a-9d3d-b07d3ba7a174
Local pid:
ora:4849
Deposit date:
2011-01-26

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