depostion Flashcards
1
Q
What is deposition?
A
The dumping (deposition) of sediment that has been transported by a river
2
Q
Which material gets deposited first? Why?
A
The largest material gets deposited first as this is the heaviest to carry
3
Q
Why does the smaller material get deposited further downstream than the larger load?
A
The smaller the load, the further it can be transported
4
Q
When does the river drop some of its load?
A
When there is a fall in speed of the water or the amount of water is less
5
Q
When does the speed or amount of water change?
A
This often occurs when the gradient changes at the foot of a mountain or when a river enters a lake or the sea