The drainage pattern formed by rivers are:
(a) Dendritic: The drainage resembling, the branches of a tree is known as ‘dendritic’ the examples of which are the rivers of northern plains like Ganga, Yamuna, etc.
(b) Radial: When the rivers originate from a hill and flow in all directions, the drainage pattern is known as ‘radial’ or the dome-shaped pattern. The river originating from the Amarkanta range and central highlands present a good example of it.
(c) Trellis: When the primary tributaries of rivers flow parallel to each and secondary tributaries join them at right angles, the pattern is known as ‘trellis’ e.g. Peninsular river such as Godavari, Krishna etc.
(d) Centripetal: When the rivers discharge their waters from all directions in a lake or in depressions, it is known as ‘centrifugal’. These rivers form cascades/rapids and waterfalls.
