geography coasts Flashcards
(8 cards)
1
Q
Differences between constructive and destructive waves
A
Constructive: lower height, stronger swash, lower frequency
Destructive: higher height, stronger backwash, higher frequency
2
Q
Why are some waves bigger than others?
A
1) Strength of the wind
2) Distance the wave has travelled - the fetch
3
Q
What is hydraulic action?
A
The force of the water hitting the cliffs.
4
Q
What is abrasion?
A
Rocks scrape against the cliff.
5
Q
What is attrition?
A
Rocks in the water become smaller and smaller.
6
Q
What is solution?
A
Rocks are dissolved.
7
Q
What is erosion?
A
The wearing away/breaking of cliffs.
8
Q
A
