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Recent trends in the southern ocean eddy field

Hogg, Andy; Meredith, Michael P.; Chambers, Don P.; Abrahamsen, E. Povl; Hughes, Chris W.; Morrison, Adele K.


Eddies in the Southern Ocean act to moderate the response of the Antarctic Circumpolar Current (ACC) to changes in forcing. An updated analysis of the Southern Ocean satellite altimetry record indicates an increase in eddy kinetic energy (EKE) in recent decades, contemporaneous with a probable decrease in ACC transport. The EKE trend is largest in the Pacific (14.9 ± 4.1 cm2 s−2 per decade) and Indian (18.3 ± 5.1 cm2 s−2 per decade) sectors of the Southern Ocean. We test the hypothesis that...[Show more]

CollectionsANU Research Publications
Date published: 2015-01
Type: Journal article
Source: Journal of Geophysical Research: Oceans
DOI: 10.1002/2014JC010470
Access Rights: Open Access


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