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SUMMARY:The Southern Ocean in climate models - Erik Behrens National Insti
 tute of Water and Atmospheric Research
DTSTART:20170502T120000Z
DTEND:20170502T130000Z
UID:TALK71719@talks.cam.ac.uk
CONTACT:Dr Peter Davis
DESCRIPTION:This presentation summarizes two recent modelling studies whic
 h were based on CMIP5 model data in the Southern Ocean. The first part foc
 uses on open ocean convection events in the Southern Ocean\, a spurious pr
 ocess\, and the variability which is associated with it in coupled climate
  models. We find that models which open ocean convection show distinct lar
 ger variability in the Ross\, Weddell Gyre and Drake transport than non-co
 nvective models. This additional variability challenges the use of those m
 odels to invested climate change related signals. The second part of the p
 resentation focuses on the biogeochemical representation in the Ross Sea a
 nd how CMIP5 models perform in this region. A detailed model evaluation is
  presented. Clear outliers have been identified\, and providing increased 
 confidence about the future model projections of the remaining ensemble. A
 n outlook about ongoing work in New Zealand within the Deep South project 
 will be given.
LOCATION:British Antarctic Survey\, Room 187
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