Rivers Flashcards
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Flood plain
The relatively flat area forming the valley floor on either side of a river channel, which is sometimes flooded.
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Waterfall
Sudden descent of a river or stream over a vertical or very steep slope in its bed. It often forms where the river meets a band of softer rock after flowing over an area of more resistant material
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Gorge
A narrow, steep sided valley, often formed as a waterfall retreats upstream.
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Interlocking spurs
A series of ridges projecting out on alternate sides of a valley and around which a river winds its course.
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Estuary
The tidal mouth of a river where it meets the sea; wide banks of deposited mud are exposed at low tide.
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Ox bow lake
An arc-shaped lake which has been cut off from a meandering river.
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Levee
Embankment of sediment along the bank of a river. It may be formed naturally by regular flooding or be built up by people to protect the area against flooding.
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Meander
A pronounced bend in a river.
