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SUMMARY:Waves\, ice and ocean in the future projections of the Arctic and 
 Southern oceans - Yevgeny Aksenov (National Oceanography Centre\, Southamp
 ton)
DTSTART:20170915T101000Z
DTEND:20170915T103000Z
UID:TALK79411@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:<span>Co-authors: Lucia Hosekova		(University of Reading\, UK)
 \, Stefanie Rynders		(National Oceanography Centre\, UK)\, Danny Feltham		
 (University of Reading\, UK)\, Gurvan Madec		(Institut Pierre Simon Laplac
 e (IPSL)\, France)\, George Nurser		(National Oceanography Centre\, UK)\, 
 Tim Williams		(Nansen Environmental and Remote Sensing Center (NERSC)\, No
 rway)\, Andrew Coward		(National Oceanography Centre\, UK)        <br></sp
 an><span><br>We present a new development to couple a Sea Ice-Ocean Genera
 l Circulation Model (OGCM) with ocean waves and analyse the impact of the 
 waves on sea ice and upper ocean. The motivation for the study stems from 
 the recent changes in the Arctic sea ice: not only sea ice extent has been
  significantly lower in the recent decade than the climatology in summer a
 nd winter\, but also it is much more broken and mobile\, allowing the ocea
 n surface waves propagate in the central Arctic. This mobile sea ice moder
 ates momentum transfer from the atmosphere to the ocean and affects the he
 at storage in the mixed layer and halocline. We present the simulations wi
 th the newly implemented sea ice rheology\, combined with floe size distri
 bution analysis and discuss the implications of the observed wave increase
  and sea ice fragmentation for the present and future of the Polar Oceans.
  The study was a part of the EU FP7 Project &lsquo\;Ships and waves reachi
 ng Polar Regions (SWARP)&rsquo\; and is linked to several ongoing UK natio
 nal research initiatives.&nbsp\;</span>
LOCATION:Seminar Room 1\, Newton Institute
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