FLUVIAL LANDFORMS FORMED BY EROSION AND DEPOSITION

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Where are meanders found?
- Middle and lower course. - Areas where there are both shallow and deep sections in the channel.
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Formation of meanders - 1) river cliffs
-Faster current on outside on bend as channel is deeper (less friction to slow water down). - More erosion on outside of bend, forming river cliffs.
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Formation of meanders - 1) slip-off slopes
- Slower current on inside of bend as channel is shallower (more friction to slow water down) - Eroded material is deposited on inside of bend, forming slip-off slopes.
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Formation of ox-bow lakes
-Erosion causes meander's outside bends to get closer, until only a small bit of land left between bends ('neck').-River breaks through land, usually during flood+river flows along shortest course.-Deposition cuts off meander, forming ox-bow lake.
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Card 2

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Formation of meanders - 1) river cliffs

Back

-Faster current on outside on bend as channel is deeper (less friction to slow water down). - More erosion on outside of bend, forming river cliffs.

Card 3

Front

Formation of meanders - 1) slip-off slopes

Back

Preview of the front of card 3

Card 4

Front

Formation of ox-bow lakes

Back

Preview of the front of card 4

Card 5

Front

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Back

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