Depositional processes Flashcards
(7 cards)
1
Q
spit
A
a long narrow feature which extends from the land into the sea or part way across an eustray. the sand is moved along the beach as a part of longshore drift and when the wave looses energy the sediment is dropped
2
Q
example of a spit
A
hurst spit
3
Q
how are hooks formed at the end of a spit?
A
the direction of the prevailing wind changes and the sediment is dropped in a different position
4
Q
tombolos
A
beaches formed between a small island and the mainland
deposition occurs when the waves loose energy and the tombolos build up
5
Q
example of a tombolo
A
st Ninians
6
Q
Bar
A
spit extends across a bay to join two headlands
these trap water to form lagoons
a beach that is seperated from the mainland is a barrier island
7
Q
example of a bar
A
start bay devon
