Explaining features of the lower course Flashcards
1
Q
Name a feature of the lower course
A
A flood plain
2
Q
What is a flood plain
A
The area either side of the channel which floods if the river bursts its bank
3
Q
What is the wide flood plain covered in
A
Clay, silt and sand from flooding events
4
Q
What is clay, silt and sand from flooding events known as
A
Alluvium
5
Q
What are the natural ridges on the river channel’s edges called
A
Levees
6
Q
What happens when the river floods
A
The largest particles are deposited first, building the levees up higher with each successive flood.
