waves Flashcards
1
Q
Why do waves vary in height:
A
Wind speed
Wind duration
Fetch - distance over which a wave has travelled
Types - constructive and destructive waves
2
Q
3 features of constructive
A
stronger swash
are gentle
they deposit material on the shore and build up the beach
3
Q
3 features of destructive
A
take material away
have stronger backwash than swash
they are high energy and happen with long fetch
