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SUMMARY:Energy and momentum pathways in the marginal ice zone - Dany Dumon
 t (Université du Québec à Rimouski (UQAR))
DTSTART:20220923T103000Z
DTEND:20220923T110000Z
UID:TALK178349@talks.cam.ac.uk
DESCRIPTION:Despite enormous scientific and technological progress in nume
 rical weather and climate prediction\, sea ice still remains unreliably pr
 edicted by models\, both in short term forecasting and climate projection 
 applications. The total ice extent in both hemispheres is tied to the loca
 tion of the ice edge\, and consequently to what happens in the portion of 
 the ice cover immediately adjacent to the open ocean that is called the ma
 rginal ice zone (MIZ). There is mounting evidence that processes occurring
  in the MIZ might play an important role in the polar climate yet some key
  physical processes are still missing in models\, most of which are relate
 d to ocean waves and their interactions with sea ice through numerous nonl
 inear processes. As sea ice models originally designed for climate researc
 h are increasingly used for operational forecasting\, the missing physics 
 impede also short-term sea ice prediction skills. In this talk I will use 
 recent observational evidences obtained from the St.Lawrence Estuary and t
 he Arctic that shows the importance of embracing all MIZ constituents\, na
 mely the atmosphere\, the ocean\, waves and sea ice properties\, and their
  inherent heterogeneity\, when investigating wave-ice interactions.
LOCATION:Seminar Room 1\, Newton Institute
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