Big reservoir built on rivers for storing water is called _______a)Dam...
Definition of a Dam
A dam is a large barrier constructed across a river or stream to control and manage the flow of water. Dams are built primarily for the purpose of storing water, generating hydroelectric power, controlling flooding, and providing irrigation water for agriculture.
Function of a Dam
- **Water Storage**: Dams create reservoirs that store water for various purposes such as drinking water supply, irrigation, and industrial use.
- **Hydroelectric Power Generation**: Many dams are equipped with turbines that generate electricity by harnessing the energy of flowing water.
- **Flood Control**: Dams help regulate the flow of water downstream, reducing the risk of flooding during periods of heavy rainfall.
- **Irrigation**: Water stored in reservoirs behind dams can be released to irrigate farmland, increasing agricultural productivity.
Importance of Dams
Dams play a crucial role in water resource management by providing a reliable supply of water for various human activities. They also contribute to energy production, environmental conservation, and disaster mitigation efforts.
In conclusion, a dam is a vital infrastructure that helps in water storage, electricity generation, flood control, and irrigation. By regulating the flow of water in rivers, dams serve as essential tools for sustainable development and resource management.