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SUMMARY:Modelling cross-shelf heat transport along the West Antarctic Peni
 nsula - Jennifer A. Graham\, Old Dominion University (VA\, USA) and Univer
 sity of East Anglia (UK)
DTSTART:20150218T110000Z
DTEND:20150218T120000Z
UID:TALK57520@talks.cam.ac.uk
CONTACT:Dr. Joakim Kjellsson
DESCRIPTION:The flux of warm deep water onto the Antarctic continental she
 lf plays a vital role in determining water mass properties on the shelf\, 
 as well as heat availability to melt ice shelves. Two regional models\, wi
 th differing grid resolution\, have been used to simulate ocean processes 
 along the West Antarctic Peninsula\, as well as ice-ocean interactions. At
  both 4 km and 1.5 km resolution\, the model is able to reproduce location
 s of cross-shelf transfer. However\, at 1.5 km resolution\, there is a gre
 ater on-shore heat flux. This simulation then provides improved representa
 tion of heat content on the shelf\, consistent with observations from the 
 region. Mechanisms for on-shelf heat transport will be discussed\, as well
  as causes of spatial and temporal variability. Ice shelves within the mod
 el experience interannual variability in basal melt rates. The variability
  in melt rates is compared with on-shelf heat transport\, showing that bot
 h deep water transport and surface forcing must influence melt rates in th
 e region.
LOCATION:British Antarctic Survey\, Room 307
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