The list below shows the different methods by which materials in a river are transported:
Traction - Rolling stones along the river bed. (this needs the most energy)
Saltation - Sand sized particles bounce along the river bed in a "leap-frog" movement.
Suspension - Silt and clay particles are carried within the water flow.
Solution - Some minerals dissolve in the water (this needs the least energy)
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GCSE Geography > Transportation in a River