Publications associated with Climate Physics

Remote forcing of the Antarctic Circumpolar Current by diapycnal mixing

Geophysical Research Letters 38 (2011)

DR Munday, DP Marshall, LC Allison, HL Johnson

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. Copyright 2011 by the American Geophysical Union.

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