GEOLOGY

Detailed explanation-1: -A watershed, also called a drainage basin or catchment, is an area drained by a river and its tributaries. Differing in size and shape, watersheds can encompass a small stream or span thousands of miles like the Mississippi River watershed.

Detailed explanation-2: -A river basin is the portion of land drained by a river and its tributaries.

Detailed explanation-3: -The term “drainage area” is defined as the land area where precipitation falls off into creeks, streams, rivers, lakes, and reservoirs. It is a land feature that can be identified by tracing a line along the highest elevation between two areas on a map, often a ridge.

Detailed explanation-4: -A drainage basin is an area of land where water from rain or snow melt drains downhill into a body of water such as a river, lake, wetland or ocean. The drainage basin includes both the streams and rivers that convey the water as well as the land surface from which water drains into those channels.

Detailed explanation-5: -The area drained by a river along with all its tributaries is called a catchment area or river basin.