coasts

Question 1

what are waves

Answer 1

a disturbance on the surface of the sea or ocean in the form of a moving ridge or swell

Question 2

what causes waves

Answer 2

energy transferred from wind to the sea which only acctually move forwards in shallow water

Question 3

what is fetch

Answer 3

the distance a wave travels - the greater the fetch the larger the wave

Question 4

what effects waves

Answer 4

fetch, wind speed, wind duration

Question 5

characteristics of constructive waves

Answer 5

Constructive waves have a long wavelength and a low frequency. They have a low wave height, typically, under 1 m. The way front is gently sloping and gains a little heart breaks and spills on to the beach watersports a long way up to gently sloping bitch.

Question 6

characteristics of destructive waves

Answer 6

Destructive waves destroyed beaches. The waves are usually very high have a short wavelength in a very frequent. The wave has a step front of his typically over 1 m high. The backwash has less time to soak in the sand.

Question 7

what is mass movement

Answer 7

the downhill movement of cliff material under the influence of gravity. Rockfall landslide mudslide and slumping