Schematic of subglacial cavity network

Idealized subglacial cavity network in plan view (A) and cross section (B). Unshaded areas are regions of ice-rock contact; shaded areas are regions of ice-rock separation (cavities). Flow directions in the cavities are indicated by arrows. Oriﬁces are the most constricted parts of the cavity network and account for most of the energy losses. From Fountain and Walder, 1998, originally after Kamb, 1987.

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Uploaded: Jul24 08

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The Connection Between Hydrology and Glacial Erosion
http://serc.carleton.edu/vignettes/collection/25438.html

Provenance
Fountain and Walder, 1998

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