Stability of Sheet Water Flow Under a Glacier
نویسندگان
چکیده
منابع مشابه
Plio-Pleistocene history of Ferrar Glacier, Antarctica: Implications for climate and ice sheet stability
The areal distribution and elevation of glacial drifts in Vernier Valley, southern Victoria Land, are used to reconstruct the PlioPleistocene history of upper Ferrar Glacier. Ne cosmogenic-nuclide analyses of surface cobbles on four moraines, Ferrar 1, 2, 3, and 4, provide age control. A minimum-age estimate for Ferrar Drifts calculated by assuming zero surface erosion indicates that the oldest...
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The behavior of marine-terminating ice sheets, such as the West Antarctic ice sheet, is of interest due to the possibility of rapid grounding-line retreat and consequent catastrophic loss of ice. Critical to modeling this behavior is a choice of basal rheology, where the most popular approach is to relate the ice-sheet velocity to a power-law function of basal stress. Recent experiments, howeve...
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The flow of a glacier along a channel of constant longitudinal curvature is analyzed using analytical and finite-element methods. Channels of various cross sectional shape are investigated, ranging from a simple rectangular form with zero shear traction along the bed to realistic profiles taken from Blue Glacier, Washington. Terms in the equilibrium and rate-of deformation equations which are ...
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ژورنال
عنوان ژورنال: Journal of Glaciology
سال: 1983
ISSN: 0022-1430,1727-5652
DOI: 10.1017/s002214300003029x