Destructive Waves Flashcards
1
Q
how is a wave destructive
A
a wave becomes destructive when it begins breaking down the beach
2
Q
qualities of a destructive wave
A
- large in height
- has a steep angle
- has lots of energy
- has a weaker swash than backwash
3
Q
why do destructive waves have a steeper gradient
A
there is a steeper gradient between the waves because there is a shorter gap between the waves and each wave is high
4
Q
what does the backwash do
A
the beach is scoured and degraded as the strong backwash pulls sand and shingle back down the beach
