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SUMMARY:Numerical simulation of the Filchner overflow - Alexander Wilchins
 ky\, University College London
DTSTART:20081017T100000Z
DTEND:20081017T110000Z
UID:TALK14681@talks.cam.ac.uk
CONTACT:Robert Bingham
DESCRIPTION:The Filchner overflow is simulated using a hydrostatic\, primi
 tive equation three-dimensional ocean model POLCOMS when the effect of the
  atmosphere and the ambient water variability is neglected. The Ice Shelf 
 Water (ISW) plume overriding the Filchner Trough is modeled through imposi
 ng a 1.6 Sv influx of -2 degrees C water  at the southern domain boundary 
 at -74 degrees latitude. Our results show that after entering the domain t
 he ISW plume undergoes instability and then propagates in the form of subp
 lumes and domes. The presence of two submarine ridges effects the plume pr
 opagation and shape. The obtained results are compared with available meas
 urement data. The intrinsic temporal variability of the flow is discussed.
LOCATION:British Antarctic Survey\, Room 330B
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