glaciers key terms

some key terms and meanings for glaciers from as cold enviroments

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a large body of compressed snow
glacier
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type of glacier that flows down a valley from the above mountain snowline
valley glacier
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biggest type of glacier, can be 2-3 km thick and cover the surrounding landscape
ice sheet
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mini version of a ice sheet, can be 50,000km2 in area
ice field
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process when snow is added to a glacier
accumilation
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process where snow is lost from a glacier
ablation
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when ice crystals compact to form this feature
firn
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layers of firn build up to form this
corrie
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when the pressure of the ice melts the base of the glacier causing it to move faster
basal sliding
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when ice crystals move and rearrange themselves into horizontal layers allowing them to slide over each other and move the glacier downhill.
internal deformation
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Other cards in this set

Card 2

Front

type of glacier that flows down a valley from the above mountain snowline

Back

valley glacier

Card 3

Front

biggest type of glacier, can be 2-3 km thick and cover the surrounding landscape

Back

Preview of the front of card 3

Card 4

Front

mini version of a ice sheet, can be 50,000km2 in area

Back

Preview of the front of card 4

Card 5

Front

process when snow is added to a glacier

Back

Preview of the front of card 5
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