Erosional & Depositional River Landforms

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What are formed by erosion & deposition?
Meanders & Ox-bow Laks
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Where do they develop?
In middle & lower courses of the river
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What is a meander?
Large bends in the river
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How they are formed?
Current is faster on outside (river is deeper-less friction to slow water); more erosion on outside bend; current slower (more friction to slow water); eroded material deposited on inside of bend
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How river cliffs are formed?
When more erosion takes place on the outside of the bend
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How slip-off sloped are formed?
When eroded material is deposited on the inside of the bend
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What are ox-bow lakes?
Meanders get larger over time-forming ox-bow lakes
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How is it formed?
1-erosion causes outside bend get closer. 2- Only small it of land left between bends (called the neck). 3- River breaks land (during flood). 4- River flows shortest course. 5- Deposition eventually cuts off meander
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Other cards in this set

Card 2

Front

Where do they develop?

Back

In middle & lower courses of the river

Card 3

Front

What is a meander?

Back

Preview of the front of card 3

Card 4

Front

How they are formed?

Back

Preview of the front of card 4

Card 5

Front

How river cliffs are formed?

Back

Preview of the front of card 5
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