Erosion Flashcards
1
Q
Name the 4 different processes of erosion
A
Hydraulic action, abrasion, attrition and solution
2
Q
Hydraulic action (1)
A
The force of water hitting the riverbed and banks
3
Q
Abrasion (2)
A
When the load (sediment) carried by the river repeatedly hits the river bed or banks breaking it up
4
Q
Attrition (3)
A
When stones and rocks carried by the river knock against each other and break into smaller pieces and become rounder as they rub together
5
Q
Solution (4)
A
When river water dissolves some types of rock eg limestone and chalk
6
Q
Define erosion
A
Its the wearing away of rocks and stones by rivers
7
Q
How many types of erosion do you get along a river
A
2 - vertical (downward ) and lateral (sideways)
