The Process Of Erosin

Question 1

What are the four main reasons of river erosion.

Answer 1

Hydraulic action, Abrasion/Corrasian, Attrition and corrosion.

Question 2

What does Hydraulic action mean?

Answer 2

This process involves the force of water against the bed and banks.

Question 3

What does abrasion mean?

Answer 3

This is the process of which the bed and bank are worn down by the rivers load. The river throws these particles against the bed and banks, sometimes at high velocity.

Question 4

What does attrition mean?

Answer 4

Material (load) carried by the river bump into each other and so are smothered and broken down into particles.

Question 5

What does corrosion mean?

Answer 5

This is the Chemical action of river water. The acids in water slowly dissolve the bed and banks.