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SUMMARY:Transport barriers\, ocean adjustment and a new perspective on the
  surface Gulf Stream - Dr. Chris WIlson\, NOC\, Liverpool
DTSTART:20151021T130000Z
DTEND:20151021T140000Z
UID:TALK59974@talks.cam.ac.uk
CONTACT:Dr Dave Munday
DESCRIPTION:Although fluid properties are relatively homogeneous within oc
 ean gyres\, jets may act as material transport and mixing barriers and the
 refore affect global ocean adjustment. The Potential Vorticity Staircase m
 odel provides insight into the dynamics of transport barriers\, and some o
 f its aspects are examined in the Southern Ocean.  However\, the detailed 
 dynamics are elusive\, involving both the mesoscale and sub-mesoscale.  A 
 study of the North Atlantic using satellite observations and identificatio
 n of Lagrangian coherent structures sheds new light on the behaviour of th
 e Gulf Stream and its role as a barrier or blender.
LOCATION:British Antarctic Survey\, Room 307
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