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11 Cards in this Set
- Front
- Back
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Cirque
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A deep bowl shaped depression formed by glacial erosion at the head of a glaciated valley. (e.g. Lake Barrowman)
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Hanging Valley
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Where large valley glaciers are fed by smaller glaciers from the side.
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Aretes
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Sharp RIDGES that separate glaciated valleys.
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Horns
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Sharp glaciated PEAKS that separate glaciated valleys.
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When was the last glacial maximum?
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25,000-18,000 B.P
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How much higher was the sea level for LGM?
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130m lower than present day
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Till
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Material deposited directly by ice (glaciers).
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Moraines
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Landform made of till (deposits).
->deposits near glacier termini=terminal moraine -> deposits near glacier margin = lateral moraine |
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Wha type of moraine is the Waiho loop moraine? & Was it formed during the LGM?
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-Terminal Moraine.
- yes it was formed in LGM |
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What would the sea level rise be if -Antarctica melted
- West Antarctica |
-approx 73.6m
- 8.1m |
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Would sea level rise if Rane filcher or Ross ice shelves melted? Why?
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No they would not, they are already afloat and displacing their own weight in water. (ronne ice shelf has actually broken up in the past few years)
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