Glacial flow

Glacial flow
Glacial flow

Print with hand writing.

Image source: Movement of ice cap, p. 21, Antarctica: the extraordinary history of man’s conquest of the frozen continent, Pub. Reader’s Digest, 1998 (Fifth edition):

The ice moves fastest at the surface and most slowly at the bedrock – deforming as though it were in many layers sliding over each other, like a deck of cards pushed sideways. Annual layers descend as snow accumulates.

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Posted on Friday, December 18th, 2009