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- W4242600583 abstract "Aerial photographs have been obtained of Ice Stream B, one of the active ice streams draining the West Antarctic Ice Sheet. A sketch map made from these photographs shows two tributaries. The margin of the active ice is marked by curved crevasses and intense crevassing occurs just inward of them. Transverse crevasses dominate the center of the ice streams and diagonal types appear at the lower end. A “suture zone” originates at the tributary convergence and longitudinal surface ridges occur at the downglacier end. The causes of these surface features are discussed and the relative importance of four stresses in resisting the driving stress is assessed. We conclude that basal drag may be important, longitudinal compression is probably important at the lower end, and longitudinal tension is probably most important near the head of the ice stream. Side drag leads to shearing at the margins, but does not restrain much of the ice stream." @default.
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- W4242600583 date "1986-01-01" @default.
- W4242600583 modified "2023-10-17" @default.
- W4242600583 title "Surface Features of Ice Stream B, Marie Byrd Land, West Antarctica" @default.
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- W4242600583 doi "https://doi.org/10.3189/s0260305500001385" @default.
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