Cold Environments

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  • Created by: xxKatiexx
  • Created on: 03-05-16 19:13
Arete
Steep-sided ridge. Two glaciers flow in parallel valleys. Glaciers erode sides of the valley and sharpens the mountiain ridge in between
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Pyramidal peak
Pointed mountain peak with at least three sides. Three or more corries form back to back (back walls create the mountain peak).
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Glacial troughs (U-shaped valley)
Steep-sided valleys with flat bottoms. They're formed by the erosion of V-shaped river valleys by glaciers. As the glacier erodes through the V-shaped valley it makes them deeper and wider.
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Hanging Valleys
Formed by tributary glaciers. Erode the valley floor much less deeply because they're smaller than the main glacier. When the glacier melts, the valley is left at a higher level than the glacial trough. Waterfalls can form.
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Truncated Spurs
Ridges of land that stick out into the main valley are chopped off as the main glacier moves past.
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Valley Steps
Steps in the glacial trough. Glacier erodes the valley floor more deeply. Happens when another glacier joins it or where there's less resistant rock.
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Tarns
Lakes that form in corries after a glacier has retreated.
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Ribbon Lakes
Long, thin lakes that form after a glacier retreats. Forms a dip caused by erosion on bands of less resistant rock or behind dams of debris left by the glacier.
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Fjords
Long, deep inlets that form when a valley that's been eroded by the glacier is flooded by sea level rise after the ice has melted.
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Roche Moutonnee
Resistant mass of rock on the valley floor. Upstream side is smooth due to abrasion as the glacier went over it. Downstream side is steep and rough where the glacier plucked at it.
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Other cards in this set

Card 2

Front

Pointed mountain peak with at least three sides. Three or more corries form back to back (back walls create the mountain peak).

Back

Pyramidal peak

Card 3

Front

Steep-sided valleys with flat bottoms. They're formed by the erosion of V-shaped river valleys by glaciers. As the glacier erodes through the V-shaped valley it makes them deeper and wider.

Back

Preview of the back of card 3

Card 4

Front

Formed by tributary glaciers. Erode the valley floor much less deeply because they're smaller than the main glacier. When the glacier melts, the valley is left at a higher level than the glacial trough. Waterfalls can form.

Back

Preview of the back of card 4

Card 5

Front

Ridges of land that stick out into the main valley are chopped off as the main glacier moves past.

Back

Preview of the back of card 5
View more cards

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