GCSE AQA GEOGRAPHY B: WATER ON THE LAND: HOW DOES A RIVER CHANGE DOWNSTREAM?

How does a river change from source to mouth?

Upper Course

> Upper course the river is V-shaped.

> Erosion is vertical

> Hydraulic action, abrasion, attrition are dominant erosional processes

> Traction and saltation are the dominant transportational process.

> Load size is large and angular

> Rapids and waterfalls are found at this course

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