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20 Cards in this Set
- Front
- Back
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Braiding
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when the river has to flow around deposition so it forms channels and then meets back up as one river
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flood plain
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area of land that is adjacent to the lower/old course
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meanders
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deep curves or bends in the river's path
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bluff
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this is formed when the end of the spur is cut off by erosion
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distributaries
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when smaller channels or streams break off from the main river
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tributaries
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when smaller streams or channels flow into the main river
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delta
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this is formed when the river is very large with alot of load in it.It is a triangular area at the mouth of a river where it spreads into branches
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slip off slope
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on the inside of a river where it deposits load it forms a smooth surface which is called a slip off slope
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spurs
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sides of hills and mountains which jot out to form the path of a river
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interlocking spurs
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sides of hills or mountains jotting out on either side of a river
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levees
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these are raised river banks and they are formed when the river is in spate( flooding)
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on the outside of a river is called...
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the concave river bank
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on the inside of a river is called.....
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concave river bank
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What 2 things are needed to form a waterfall
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hard and soft rocks
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oxbow lakes
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these are shallow, crescent-shaped lakes which are the remains of a former course of a river
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potholes
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if the river flows over an uneven bed, this may cause the water to swirl. The pebbles carried round and round by the swirling water eventually wear away circular depressions in the river bed. This gets deeper and is known as potholes
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deep v-shaped valleys are also what?
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ravines or gorges
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vertical erosion
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this is when the river cuts downwards into the ground
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headward erosion
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when the river erodes upstream
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river basin is also called a what?
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drainage basin
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