Question

What is dam construction in short ?

Answer 1

Answer:

Dam, structure built across a stream, a river, or an estuary to retain water. Dams are built to provide water for human consumption, for irrigating arid and semiarid lands, or for use in industrial processes.

Answer 2

Dams are barriers, usually constructed across rivers, to hold back and contain water in a lake or reservoir. ... Irrigation: Water can be stored in reservoirs for irrigating land during dry periods. Navigation: Dams can be used to raise the upstream water level to improve navigation conditions.