Glaciers Flashcards

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1
Q

Glacier defenition

A

A glacier is a slowly moving, huge mass of ice. It moves under the influence of gravity.

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2
Q

What are the 2v types of glaciers?

A

Warm-based
Cold-based

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3
Q

What are Warm-based glaciers?

A

Known as temperate glaciers

Move 2-3m per day, so lots of erosion

Found in lower latitudes, E.G. Alps.

These glaciers mainly move by slippage. (Melt water lubrication).

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4
Q

What are Cold-based glaciers?

A

Move by internal deformation: When gravity/pressure of ice cause ice crystals to slide over each other in a series of parallel planes, in a crumpling motion.

Frozen to bed, so only move 1-2cm per day, so little erosion

Also known as polar glaciers, found in higher latitudes.

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5
Q

What are glaciated landscapes?

A

Parts of the surface that have been shaped by glacial action.

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6
Q

Fact

A

Glaciers form where the climate is cold from latitude or altitude.

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7
Q

What is latitude?

A

Distance north or south of the equator

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8
Q

What is altitude

A

Height above sea level

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