Question

Define the following drainage patterns: Dendritic, Trellis, Rectangular and Radial

Answer 1

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dendritic : a type of drainage pattern which is branch like in structure in the topo sheet or

trellis : a type of drainage pattern which is almost 90° in the topo sheet

rectangular : a type of drainage pattern which is in 90° in the sheet

radial : a type of drainage pattern which flows from a high spot to low spot in the topo sheet

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Answer 2

Dendritic : This pattern is formed when a single main stream is joined by its tributaries forming branches of tree.
Trellis : A rectangular pattern formed when a long river is joined by short flowing streams, approximately at right angle.
Radial : It is a dome like structure where the streams flow in different directions from a central peak.
Rectangular is the same as trellis pattern.