Question

what is drainage? Explain in brief.​

Answer 1

Explanation:

Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess of water. The internal drainage of most agricultural soils is good enough to prevent severe waterlogging, but many soils need artificial drainage to improve production or to manage water supplies.

Answer 2

Answer:

drainage system is the pattern formed by the streams, rivers, and lakes in a particular drainage basin. ... Drainage basins are divided from each other by topographic barriers called a watershed. A watershed represents all of the stream tributaries that flow to some location along the stream channel.