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Determination of a flow center on an ice cap
van der Veen, Cornelis J. Whillans, I. M.
van der Veen, Cornelis J.
Whillans, I. M.
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Abstract
A method for identifying the center of ice flow is developed and
applied using results from surveys of a strain grid near the summit of Dunde Ice Cap
(central China). Strain rates are used to compute stresses. These are used with a
consideration of the balance of forces to compute basal friction. The flow center at the
bed occurs where this friction changes sign. For Dunde Ice Cap, the basal flow center
nearly underlies the summit.
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This is the published version.
Date
1992-11-05
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International Glaciological Society
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Whillans, I. M. & Van Der Veen, C. J. "Determination of a flow center on an ice cap." Journal of Glaciology. (1992) 38, 130. 412 - 416. http://www.igsoc.org:8080/journal/38/130/igs_journal_vol38_issue130_pg412-416.pdf.