COASTS EQ2 Flashcards
(8 cards)
1
Q
What is a beach?
A
a deposit of sand or shingle at a coast often found at the head of the bay
2
Q
What is a crest?
A
the top of a wave
3
Q
What is a trough?
A
The lowest point of a wave
4
Q
What is swash?
A
the forward movement of a wave up a beach
5
Q
What is backwash?
A
the backward movement of water down a beach when a wave has broken
6
Q
What is a constructive beach?
A
A wave with a stronger swash than backwash thst builds up a beach
7
Q
What is a destructive beach?
A
A wave formed by a local storm that crashes down onto s beach has a powerful backwash
8
Q
A