How to reduce the risk of flooding!

Question 1

Explain forests.

Answer 1

Trees may be planted in the drainage system to slow down water and reduce the amount reaching the river

Question 2

Explain dams

Answer 2

A dam built across a river traps water and stores it, so it can later be released in a controlled way.

Question 3

Explain straight channels

Answer 3

The river course may be straightened to speed up flow and take water away to a lake or sea more quickly.

Question 4

Explain wider and deeper channels

Answer 4

Material may be removed from the channels and banks to make it deeper and wider and reduce flooding by allowing it to hold more water.

Question 5

Explain allow flooding

Answer 5

Let flooding happen in a controlled way, and keep the river bend to slow down movement. allow excess water to collect in safe areas.