Question

What is called a drainage basin?

Answer 1

Hint:The other terms that are used for drainage basin are catchment area, drainage area, water basin, catchment basin, river basin, and also watershed. The drainage basin acts as an area that collects water in the area of the basin and then channels the water collected to a single point.

Complete answer:The term drainage basin is used to describe an area of land which collects the precipitation and then drains off into a single point which can be a river, bay, or any other water body. The precipitation here can be of the rainwater, snow, hail, nearby streams that are running down the slope, and towards a common outlet, it can also be the groundwater that is beneath the earth’s surface. A drainage basin can also be connected to other drainage basins that are at a lower level and then drain into a common outlet. The other terms that are used for drainage basin are catchment area, drainage area, water basin, catchment basin, river basin, and also watershed. The drainage basin acts as an area that collects water in the area of the basin and then channels the water collected to a single point. A drainage basin can act as a political or geographical border between areas. The largest river basin is the basin of Amazon having an area of 7M sq. km.

Note:The largest river basins in the world are the following: Amazon having an area of 7M sq. km., Congo having an area of 4M sq. km. Nile having an area of 3.4M sq. km, Mississippi having an area of 3.22M sq. km, Rio de la Plata has an area of 3.17M sq. km. and the rivers that drain the most water are Amazon, Ganga, and Congo.