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SUMMARY:Marine ice in Larsen Ice Shelf - Paul Holland
DTSTART:20090701T100000Z
DTEND:20090701T110000Z
UID:TALK19005@talks.cam.ac.uk
CONTACT:Zhaomin Wang
DESCRIPTION:It is argued that Larsen Ice Shelf contains marine ice formed 
 by oceanic freezing and other mechanisms. Missing basal returns in airborn
 e radar soundings and observations of a smooth and healed surface coincide
  downstream of regions where an ocean model predicts freezing. Visible ima
 gery suggests that marine ice currently stabilizes Larsen C Ice Shelf and 
 implicates failure of marine flow bands in the 2002 Larsen B Ice Shelf col
 lapse. Ocean modeling indicates that any regime change towards the incursi
 on of warmer Modified Weddell Deep Water into the Larsen C cavity could cu
 rtail basal freezing and its stabilizing influence.
LOCATION:Room 307\, British Antarctic Survey
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