Question

Write in detail about the three major types of drainage patterns in India

Answer 1

Following are the major drainage patterns −

Dendritic

Radial

Centripetal

Trellis

A drainage pattern which looks like tree branches with lots of twigs is known as Dendritic drainage pattern. For example, the rivers of northern plain.

Radial drainage patterns form when rivers originate from a hill and flow in all directions. For example, the rivers originating from the Amarkantak.

Centripetal drainage pattern is formed when rivers discharge their waters from all directions into a lake or a depression. For example, Loktak lake in Manipur.

Trellis drainage pattern is formed when the primary tributaries of main rivers flow parallel to each other and secondary tributaries join them at right angles. For example, rivers in the upper part of the Himalayan region.


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Answer 2

A river drain is a specific area, which is known as the catchment area of that river.

An area drained by a river and its tributaries is known as a drainage basin.

The boundary line separating one drainage basin from the other is called as the watershed area.

Drainage Pattern

Following are the major drainage patterns −

Dendritic

Radial

Centripetal

Trellis

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