Processes of River Erosion

Question 1

What is hydraulic action?

Answer 1

Hydraulic action is when the fast moving water breaks and wears away material from the bed and banks of the river.

Question 2

What is abrasion ?

Answer 2

Abrasion is when the load is thrown against the bed and banks if the river and wears them down

Question 3

What is attrition?

Answer 3

Attrition is when the load is broken down further as particles bounce of each of each other become smooth and rounded

Question 4

What is solution?

Answer 4

Solition is when the water dissolves some of the minerals(eg.limestone) on the river bed and bank