Flashcards
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Flashcards do conjunto (23)
- 1What was the most recent ice age called?Pleistocene
- 2what were the cooler periods in the ice age called?Glacials
- 3what were the warmer periods in the ice age called?inter-glacials
- 4What is Freeze-thaw?where water seeps into cracks in rocks, freezes expands and cracks the rock.
- 5What is Rotational slip?Basal slippage. melt water under the glacier helps the ice move/slip down the mountain side.
- 6What is a Corrie?A deep depression on a hillside often with a steep back wall and containg a tarn.
- 7What is a Arete?Where to steep back walls of corries meet.
- 8What is a Pyramidal peak?Where three or more aretes meet.
- 9What is the Snout?The end of the glacier.
- 10What is a Glacial trough?The valley where the glacier runs.
- 11What is a Truncated spur?interlocking valleys
- 12What is lateral moraine?moraine that runs down the sides of the glacier.
- 13What is Medial moraine?moraine that runs down the center of the glacier.
- 14What is Terminal moraine?moraine that is at the bottom of the glacier.
- 15What is a Drumlin?An egg-shaped mount of moraine.
- 16What is a Dirt cone?a cone of ice that has a thick layer of ice over it.
- 17What is an Avalanche?A sudden down hill movement of snow.
- 18What is a Loose snow avalanche?an avalanche of loose snow
- 19What is a Slab avalanche?Avalanche of ice slabs.
- 20What is Accumulation?inputs into the glacial budget= snowfall and avalanches.
- 21What is Ablation?Outputs into he glacial budget= melting
- 22What is the Glacial budget?The balance between the inputs (Accumulation) and the outputs (Ablation).
- 23What is an ice sheet?large body of ice over(50,000 km2) in extent
Informações
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- GCSE Geography FlashCards sobre Sem título, criado por Jenna Bradshaw em 06-05-2015.
- Criado por
- Jenna Bradshaw
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