Four processes of erosion - how they change Flashcards Preview

GCSE Geography AQA A Water on the Land > Four processes of erosion - how they change > Flashcards

Flashcards in Four processes of erosion - how they change Deck (8)
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1
Q

what are the four main types of erosion?

A

hydraulic action
abrasion
attrition
solution

2
Q

what is hydraulic action?

A

the force of the waves hitting the bank and bed.

3
Q

what is abrasion?

A

where rocks that are being carried by the river hit the bank and bed

4
Q

what is attrition?

A

where the rocks carried by the river hit each other

5
Q

what is solution?

A

it is where the rock dissolves into the water ( only works for soluble rocks)

6
Q

what types of erosion mainly happen in the upper course?

A

hydraulic action
abrasion
attrition

7
Q

what types of erosion mainly happen in the middle course?

A

hydraulic action

8
Q

what types of erosion mainly happen in the lower course?

A

all of them