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SUMMARY:The two-timescale response of Antarctic ocean and sea-ice cover to
  wind changes: a follow-up - Dr. David Ferreira\, Univ. Reading
DTSTART:20160720T120000Z
DTEND:20160720T130000Z
UID:TALK65096@talks.cam.ac.uk
CONTACT:Dr Dave Munday
DESCRIPTION:In a previous modelling work\, we showed that the response of 
 Antarctic sea surface temperature and sea ice cover to an abrupt (ozone-dr
 iven) wind perturbation has two phases: a fast inter-annual (~1-5y) adjust
 ment in which the surface ocean cools and sea ice cover increases\, follow
 ed by a slower decadal trend leading to a warming of the surface ocean and
  a reduction of sea ice cover. After briefly summarizing these results\, I
  will present recent efforts to 1) clarify the link between the abrupt ozo
 ne experiments and the climate response to a realistic ozone depletion and
  recovery\, 2) estimate the two timescale response in models of the CMIP5 
 suite and 3) use observational constraints to reduce the large uncertainti
 es on the two timescales.
LOCATION:British Antarctic Survey\, Room 330B
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