SECOND FORM GEOGRAPHY (Depositional landforms) Flashcards
(7 cards)
1
Q
In order for deposition to occur waves need to loose their _______
A
Energy
2
Q
What are some circumstances when waves would loose their energy and when deposition would occur
A
Low wind speeds, sudden change in direction/ shape of coastline
3
Q
Characteristics of beaches
A
Long, flat, small sediment, wide.
4
Q
Characteristics of a Spit
A
Long, thin, sand on the edges, vegetation on the other parts, curved.
5
Q
What is a bar
A
A spit that joins two headlands to create a lagoon
6
Q
Characteristics of sand dunes
A
Low mounds of sand, some vegetation
7
Q
What is a salt marsh
A
Salt marshes may be formed behind a spit. The zone behind a spit becomes a sheltered area. Water movement slows down and so more material is deposited. Deposition may form a salt marsh.
