Rivers Flashcards
What is the main process of erosion in the upper course of a river?
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Hydraulic action
Find out more about river erosion.
What is the main process of erosion in the upper course of a river?
What are rapids?
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Rapids are fast flowing, turbulent sections of the river where the bed has a relatively steep gradient. They are found in the upper course of the river.
Find out more about the landforms of erosion in the upper course of a river.
What are rapids?
Give three examples of soft engineering.
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Examples include:
- flood warnings
- flood plain zoning
- planting trees
- river restoration
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Give three examples of soft engineering.
What is traction?
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Large boulders and rocks are rolled along the river bed.
Find out more about how rivers transport material.
What is traction?
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Where the river flows into a sea or ocean it’s velocity is reduced leading to deposition.
Find out more about river deposition.
Why might deposition occur at site C on the diagram below?