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SUMMARY:Sea ice climate interactions in the Pliocene - Fergus Howell (Univ
 ersity of Leeds)
DTSTART:20160308T140000Z
DTEND:20160308T150000Z
UID:TALK64590@talks.cam.ac.uk
CONTACT:James Pope
DESCRIPTION:The talk title will be 'Sea ice climate interactions in the Pl
 iocene Arctic'\n\nAbstract:\n\nThe mid-Pliocene Warm Period (mPWP\, 3.264 
 to 3.025 Myr ago) has been extensively studied through the use of general 
 circulation models (GCMs). Whilst the output from these simulations replic
 ates closely many of the patterns of the climate of the interval indicated
  by proxy data\, at northern high latitudes the reconstructed proxy data t
 emperatures exceed the model temperatures by over 15ºC for some sites. \n
 \nThis data-model discrepancy highlights the importance of focusing on mod
 el representation of processes that strongly affect the northern high lati
 tude climates\, such as sea. Results are presented from simulations of the
  mPWP with the GCM HadCM3 focusing on the climatic effects of changes to t
 he parameterisation of sea ice albedo\, in isolation and in combination wi
 th orbital and atmospheric CO2 uncertainties.\n\nSimulated Arctic sea ice 
 outputs from eight different GCMs as part of the Pliocene Modelling Interc
 omparison Project (PlioMIP) are presented\, to demonstrate model dependenc
 y on past Arctic sea ice simulation.\n
LOCATION:room 307\,  British Antarctic Survey\, High Cross\, Cambridge\, C
 B3 0ET
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