Journal
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Volume 366, Issue 1885, Pages 4529-4541Publisher
ROYAL SOC
DOI: 10.1098/rsta.2008.0196
Keywords
Antarctic Circumpolar Current; mesoscale eddies; zonal jets
Categories
Funding
- NERC
- Natural Environment Research Council [NE/E013171/1] Funding Source: researchfish
- NERC [NE/E013171/1] Funding Source: UKRI
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Although the Antarctic Circumpolar Current (ACC) is the longest and the strongest oceanic current on the Earth and is the primary means of inter-basin exchange, it remains one of the most poorly represented components of global climate models. Accurately describing the circulation of the ACC is made difficult owing to the prominent role that mesoscale eddies and jets, oceanic equivalents of atmospheric storms and storm tracks, have in setting the density structure and transport properties of the current. The successes and limitations of different representations of eddy processes in models of the ACC are considered, with particular attention given to how the circulation responds to changes in wind forcing. The dynamics of energetic eddies and topographically steered jets may both temper and enhance the sensitivity of different aspects of the ACC's circulation to changes in climate.
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