Ocean BGC/AOS Special Seminar

Tue, Nov 12, 2019, 10:30 am to 11:30 am

The Beaufort Gyre is a key circulation system of the Arctic Ocean and its main reservoir of freshwater. Freshwater storage and release affects the Arctic sea-ice cover, as well as the North Atlantic circulation and the global climate. In this talk, we will look at the driving forces and the regulating mechanisms behind the gyre circulation across a range of space and time scales. We will see how surface currents interact with the ice cover to modulate the large scale momentum input from the atmosphere to the ocean. We will then discuss the origin of Arctic’s baroclinic eddies, and discuss their role in regulating the gyre’s freshwater content and the strength of its circulation. After grounding our theories in observations, we will then discuss what we can say about how these mechanisms will change in a future, warmer climate.

Location: 
Sayre Hall Conference Room
Speaker(s): 

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