River Processes In The Lower Course Flashcards
1
Q
What’s a flood plain?
A
flat area of land that the river spills onto when it bursts its banks
2
Q
What are levees?
A
Small ridge or raised area of land on the banks of the river made up from sediment from the river
3
Q
What are the 3 stages of floodplain and levee formation?
A
1) before flood the water is at a normal level
2) during flood thickest sediments are deposited at channel edges and thin sediments are deposited over parts of the floodplain
3) after flood natural levees are built up by my floods
4
Q
What’s a delta?
A
Formed when the river deposits its material faster than the sea can remove it