Braided Channels (Fluvial Deposition) Flashcards
1
Q
When does braiding occur?
A
In rivers that are supplied with large loads of sand and gravel; and when a river has variable discharges.
2
Q
What are the banks made of?
A
From sand and gravel- they are generally unstable and easily eroded (as a consequence the channel becomes very wide in relation to its depth).
3
Q
What can happen over time?
A
The river can become choked with several sandbars and channels that are constantly changing their locations.
4
Q
What areas does braiding occur in?
A
- semi-arid areas of low relief that receive rivers from mountainous areas
- glacial streams with variable annual discharge
5
Q
What is a braided channel?
A
When the river is forced to split into several channels separated by islands.
