Section 5: Glacier Movement

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9 Terms

1
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Why do glaciers move?

Gravity causes glaciers to move downhill!

2
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<p><strong>What is </strong><span style="color: rgb(235, 43, 192);"><strong><u>accumulation</u></strong></span><strong>?</strong></p>

What is accumulation?

Snow/Ice being added to a glacier!

3
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<p><strong>What is </strong><span style="color: rgb(182, 82, 240);"><strong><u>ablation</u></strong></span><strong>?</strong></p>

What is ablation?

Melting/Other processes that remove ice from a glacier!

4
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What causes glacial advance (growing)?

Accumulation > melting (ablation)

5
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What happens during glacial advance?

The glacier’s toe moves forward until a new balance is reached!

6
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What causes glacial retreat?

Accumulation < melting (ablation)

7
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What happens during glacial retreat?

The glacier’s toe moves backwards until a new balance is reached!

8
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<p><strong>What is equilibrium?</strong></p>

What is equilibrium?

A balance between ice being added/lost!

9
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Does ice flow backward when a glacier retreats?

No! Ice continues to flow downhill! The toe moves backwards.