Sensitivity of Arctic Ocean Change to Background Mixing
This project is motivated by recent findings showing the sensitivity of Arctic Ocean circulation to background deep-ocean diapycnal mixing. Mixing in the stratified ocean is related to internal wave energy, which tends to be low under the Arctic Ocean ice cover. Consequently, as ice cover declines background mixing may increase and, among other changes, bring more Atlantic Water heat to the surface to melt ice, a potentially important positive climate feedback. To understand the influence of background mixing and to improve models of the changing Arctic Ocean, we are taking advantage of the latest analysis techniques to examine existing internal…
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