4.3-Coasts Flashcards
1
Q
What is longshore drift?
A
A coastal movement using smash and backwash.
2
Q
What is a bar?
A
A bar is a coastal formation of sand, it occurs when longshore drift deposits sediment and connects two different headlands.
3
Q
What is a lagoon?
A
A lagoon is a coastal formation which occurs behind a bar, it has calm waters with minimal waves.
4
Q
What is a spit?
A
A spit is a coastal formation which is caused when longshore drift drags sediments across the coast and then a sudden change in wind direction causes it to have a curved end.
