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SUMMARY:The Formation of Southern Ocean Gyres - Ryan Patmore\, BAS
DTSTART:20170303T140000Z
DTEND:20170303T150000Z
UID:TALK69576@talks.cam.ac.uk
CONTACT:Dr Christian Buckingham
DESCRIPTION:Southern Ocean currents play a key role in the global climate 
 and biological systems. They have an influence over the levels of atmosphe
 ric carbon and significantly affect global temperatures and sea level. The
  Southern Ocean is comprised of an interplay between the Antarctic Circump
 olar Current\, a powerful current circumnavigating the globe\, and a serie
 s of sub-polar gyres\, large scale rotating circulations. Gyres have an im
 pact on biological processes through the up-welling of nutrients. They als
 o affect the long term trend in melt rates of ice through the transport of
  heat to the Antarctic coastline. Over the past century a coherent theory 
 of gyres has formed via a drive to understand the mechanisms of the Gulf S
 tream and the North Atlantic Ocean in general. We find\, however\, that gy
 res of the Southern Ocean depart slightly from the dynamics of most other 
 gyres and remain poorly understood. Our aim is to investigate these deviat
 ions and arrive at a better understanding of the genesis of Southern Ocean
  gyres. In this talk we will display some preliminary idealised modeling r
 esults and propose some subtle dynamical differences between classical gyr
 e theory of the North Atlantic and the formation of gyres in the Southern 
 Ocean.
LOCATION:British Antarctic Survey\, Innovation Centre\, Seminar Room 1
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