Deltas Flashcards
1
Q
What forms a delta
A
Deposition- when deposition exceeds the rate of sediment removal. (They are made of three types of deposition- top set, bottom set and fore set)
2
Q
What are the three shapes of delta
A
Arcuate, cuspate and bird’s foot (vegetation can occur in all)
3
Q
Where are deltas located
A
At the mouth of a river
4
Q
Diagram of deltas
A
In folder
5
Q
Delta example
A
Mississippi- small tidal waves and weak currents, large sediment load.
Was originally a birds foot delta, doesnt change any more
6
Q
What is a delta
A
A landform that forms at the mouth of a river, where the river flows inti an ocean, sea, estuary, lake or reservoir
