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The role of lateral drag in the dynamics of Ice Stream B, Antarctica
Whillans, I. M. van der Veen, Cornelis J.
Whillans, I. M.
van der Veen, Cornelis J.
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Abstract
The partitioning of resistive force between the bed and sides of Ice
Stream B, Antarctica , is obtained for three large areas that have bee n measured using
repeat aerial photogrammetry. Problems associated with data errors and local variations
in ice strength and velocity are reduced by considering the a really ave raged budget of
forces for each photo block. Results indicate that the bed under Ice Stream B must be very
weak and unable to provide much res instance. Mechanical l control on this ice stream
emanates almost entirely from the lateral margins.
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1997-11-05
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International Glaciological Society
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Whillans, I. M. & Van Der Veen, C. J. "The role of lateral drag in the dynamics of Ice Stream B, Antarctica." Journal of Glaciology (1997) 43, 144. pp 231 - 327. http://www.igsoc.org:8080/journal/43/144/igs_journal_vol43_issue144_pg231-237.pdf