Question

4 Find out the main reason for the river
water resovoir. ​

Answer 1

Reservoirs are designed to store the rain that falls during the wetter parts of the year , so that there is a continuous supply of water for the drier periods. The water from reservoirs must be cleaned before it is used. This is done at a water treatment works.

Answer 2

Explanation:

Active or live storage is the portion of the reservoir that can be used for flood control, power production, navigation, and downstream releases. In addition, a reservoir's "flood control capacity" is the amount of water it can regulate during flooding. Reservoirs are designed to store the rain that falls during the wetter parts of the year, so that there is a continuous supply of water for the drier periods. The water from reservoirs must be cleaned before it is used. This is done at a water treatment works.

Three main reservoirs

Throughout Earth's history, water has been distributed between four distinct reservoirs—the oceans, ice sheets and glaciers (the cryosphere), terrestrial storage and the atmosphere.