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8.7: Glaciers

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
alpine (valley) glacier A glacier found in a valley in the mountains.
bergschrund A crevasse near the top of a glacier where moving ice below is separated from stagnant ice above.
continental glacier A sheet of ice covering a large area that is not confined to a valley.
crevasse A deep crack in a glacier that forms as a result of ice movement.
glacier Large sheets of flowing ice.
zone of ablation The lower part of a glacier where the amount of snow and ice that melts off is greater than the amount that accumulates.
zone of accumulation The upper part of a glacier where the amount of snow and ice that accumulates is greater than the amount that melts off.

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Difficulty Level:
At Grade

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Date Created:
Feb 24, 2012
Last Modified:
Aug 19, 2016
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SCI.ESC.520.L.1