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SUMMARY:Investigations of Rutford Ice Stream using DELORES (the BAS DEep-L
 Ooking Radio-Echo Sounder) - Dr Ed King\, British Antarctic Survey
DTSTART:20070619T150000Z
DTEND:20070619T160000Z
UID:TALK7604@talks.cam.ac.uk
CONTACT:Deb Shoosmith
DESCRIPTION:Ice streams are the principal drainage features of the Antarct
 ic ice sheet\, channeling 90% of the ice flow from the interior to the coa
 st.  Rutford Ice Stream in West Antarctica drains a catchment to the north
  and west of the Ellsworth Mountains.  The ice divide between the catchmen
 ts of Rutford Ice Stream and Pine Island Glacier is poorly defined in plac
 es and is a location where we might expect significant change to flow regi
 mes in the future.  I used the British Antarctic Survey’s DELORES (Deep 
 Look Radio Echo Sounder) radar system to map isochronal layering and the i
 ce stream bed on several traverses of the onset region of Rutford Ice Stre
 am.  This talk has two strands: 1) to describe the present flow regime in 
 the onset region of Rutford Ice Stream\, near to the ice divide\; and 2) t
 o describe the development of bedforms as the ice flow speed increases thr
 ough the region.
LOCATION:British Antarctic Survey
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