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Sensitivity of the Southern Ocean overturning circulation to surface buoyancy forcing

Morrison, Adele; Hogg, Andrew; Ward, Marshall


The sensitivity of the Southern Ocean overturning to altered surface buoyancy forcing is investigated in a series of eddy-permitting, idealised simulations. The modelled response indicates that heat and freshwater fluxes in the Southern Hemisphere mid-latitudes may play a significant role in setting the strength of the overturning circulation. Enhanced buoyancy fluxes act to increase the meridional overturning up to a limit approaching the wind-driven Ekman transport. The sensitivity of the...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Geophysical Research Letters
DOI: 10.1029/2011GL048031
Access Rights: Open Access


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