destructive waves Flashcards
1
Q
how are they formed?
A
localised ström events with stronger winds operating closer to the coast
2
Q
how long is the wavelength?
A
short
3
Q
what is frequency of the waves?
A
11-16 per minute
4
Q
what are the wave characteristics?
A
high waves, which plunge onto the beach
5
Q
what are the swash characteristics?
A
weak swash, strong backwash
6
Q
what is its affect on the beach?
A
occurs on steeply sloped beaches
7
Q
when do these waves dominate?
A
during winter
8
Q
When do constructive waves become destructive?
A
if a strom begins
9
Q
climate change may increase what?
A
storm frequency
10
Q
what may affect the type of waves that occur?
A
coastal management