Flooding Flashcards
1
Q
When does flooding occur ?
A
Flooding occurs when a river gets more water than its channel can hold.
2
Q
What is a flash flood?
A
A flash flood is when there is a sudden burst of rain that creates a sudden flood people often get no warning when this happens.
3
Q
Causes of flooding
A
Impermeable rock Hard dry soil Very wet soil Steep slope Cutting down trees Building in the drainage basin
4
Q
Methods of flood control
A
Control the water level build dams and pumping stations
Build barriers like flood walls and reinforcing the river banks
Alter the river channel