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SUMMARY:The Global Overturning Circulation and Mixing\, derived from Inver
 se Models and Overturning Streamfunctions. - Sjoerd Groeskamp\, CSIRO/Univ
 ersity of Tasmania
DTSTART:20120924T100000Z
DTEND:20120924T110000Z
UID:TALK40156@talks.cam.ac.uk
CONTACT:Dr Andrew Meijers
DESCRIPTION:The global interconnected ocean\, often referred to as the ‘
 Conveyer belt’\, has strong influence on the oceans stratifications\, di
 stribution of water masses\, heat transport and cycling and storage of che
 mical species as for example carbon dioxide. It is a key player in the Ear
 ths climate system. Understanding of the underlying physical processes tha
 t drive the Conveyer belt and quantifying its different branches is of gre
 at importance for Climate Science purposes and is and intensively studies 
 subject.\n \nDifferent approaches like tracer tracking\, inverse methods a
 nd overturning stream-functions\, have been used to study the Conveyer. It
  remains difficult to show an interconnected global ocean circulation\, th
 ere are large debates about the underlying physics that drive the Conveyer
  and transport rates are often highly uncertain.\n \nDuring my PhD thesis 
 we aim to combine a new inverse method with a new overturning stream-funct
 ion. The combination of two methods allows us\, not only to give more accu
 rate estimates of transports rates and show that there is an interconnecte
 d global ocean circulation\, but more importantly it will also find a glob
 al vertical and horizontal distribution of the isopycnal and diapycnal mix
 ing. The latter is of great importance to improve climate models and will 
 provide information on the debate of the underlying physics that drive the
  overturning circulation.\n
LOCATION:British Antarctic Survey\, Room 330B
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