Question

Types and importance of watershed as a geohyrological unit

Answer 1

Types of water shed  are-

1 Macro watershed (> 50,000 Hect)

2 Sub-watershed (10,000 to 50,000 Hect)

3 Milli-watershed (1000 to10000 Hect)

4 Micro watershed (100 to 1000 Hect)

5 Mini watershed (1-100 Hect)

Importance of water shed are-

Watershed is a geohydrological unit (Planning Commission, 2008) draining at a common point by a system of streams. Essentially, a watershed is all the land and water area which contributes runoff to a common point. ... In fact, watershed is a biological, physical, economic and social system.