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SUMMARY:In situ glacial geophysical investigations of Pine Island Glacier\
 , West Antarctica - Robert Bingham (British Antarctic Survey)
DTSTART:20081126T163000Z
DTEND:20081126T173000Z
UID:TALK14595@talks.cam.ac.uk
CONTACT:Poul Christoffersen
DESCRIPTION:Remote sensing observations since the 1990s have exposed Pine 
 Island Glacier as one of the most rapidly thinning and accelerating ice st
 reams in Antarctica\, and therefore the world. Flowing into the Amundsen S
 ea embayment\, thought to be an area of potential ocean warming\, and grou
 nded well below isostatically rebounded sea levels\, there is concern that
  the astonishing changes witnessed across the region from space reflect th
 e onset of a major response of the West Antarctic Ice Sheet to global warm
 ing. Attempts to model the behaviour of the ice sheet in this region have 
 been hindered by a dearth of subsurface information\, with fieldwork hampe
 red by the extreme remoteness of the catchment. This talk will report on t
 he first in situ glacial geophysical investigations ever conducted on Pine
  Island Glacier. Punctuated with photographic material from the speaker's 
 first visit to the continent\, the talk will outline the range of geophysi
 cal methods used to investigate change across this extremely remote\, yet 
 highly dynamic region\; and will focus on the use of over snow radar to im
 age the internal and basal conditions beneath the surface of Pine Island G
 lacier. 
LOCATION:Scott Polar Research Institute\, main lecture theatre
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