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Remote forcing of the Antarctic Circumpolar Current by diapycnal mixing

Munday, D. R., Allison, L. C., Johnson, H. L. and Marshall, D. P. (2011) Remote forcing of the Antarctic Circumpolar Current by diapycnal mixing. Geophysical Research Letters, 38 (8). L08609. ISSN 0094-8276

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To link to this article DOI: 10.1029/2011GL046849

Abstract/Summary

We show that diapycnal mixing can drive a significant Antarctic Circumpolar Current (ACC) volume transport, even when the mixing is located remotely in northern-hemisphere ocean basins. In the case of remote forcing, the globally-averaged diapycnal mixing coefficient is the important parameter. This result is anticipated from theoretical arguments and demonstrated in a global ocean circulation model. The impact of enhanced diapycnal mixing on the ACC during glacial periods is discussed.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical and Physical Sciences > Department of Meteorology
Faculty of Science > School of Mathematical and Physical Sciences > NCAS
ID Code:19972
Uncontrolled Keywords:Antarctic Circumpolar Current; diapycnal mixing; pycnocline teleconnections; glacial cycles; tidal forcing;
Publisher:American Geophysical Union

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