wave types Flashcards
(6 cards)
1
Q
which three factors does the size and energy of the wave depend on?
A
- the fetch (how far the wave has travelled)
- the strength of the wind
- how long the wind has been blowing for
2
Q
what are the two different types of waves?
A
constructive and destructive
3
Q
swash
A
the water that rushes up the beach
4
Q
backwash
A
the water that flows back towards the sea
5
Q
what are the characteristics of a destructive wave?
A
- weak swash and a strong backwash
- the strong backwash removes sediment from the beach
- the waves are steep and close together
6
Q
what are the characteristics of a constructive wave?
A
- strong swash and a weak backwash
- the strong swash brings sediment to build up the beach
- the backwash is not strong enough to remove sediment
- the waves are low and further apart