Process Of Erosion Flashcards
1
Q
Abrasion
A
The process by which the bed and banks are worn down by the rivers load. The river throes these particles sometimes at high velocity
2
Q
Hydraulic action
A
Involves the force of water against the bed and banks
3
Q
Corrosion
A
The chemical action of river water. The acids in the water slowly dissolve the bed and the banks. Presence of CO2 in air make rainwater into carbonic acid ph5.
4
Q
Attrition
A
Material carried by the river bump into each other and so are smoothed and broken down into smaller particles
5
Q
Cavitation
A
The force of exploding air in the water in the form of bubbles
