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GCSE Geography · key term
A stream that is too small to have formed the much larger valley through which it flows.
Used by Edexcel
Specification 1.2 · Paper 1
Revise: Physical Processes Shaping LandscapesA small river may now occupy a much larger U-shaped valley. This is a misfit stream: the present stream is too small to explain the valley's size and shape. Rivers continue to erode and transport material, but the main valley form is inherited from glaciation.
Paper 2
A river or stream that is too small to have formed the valley it occupies, such as a small stream in a glacial U-shaped valley.
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Today, a small river occupying a much larger glacial valley is called a misfit stream: its size does not match the valley around it.