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Drainage
Question
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Describe the various drainage patterns.

Answer

The streams within a drainage basin form certain patterns, depending on the slope of land, underlying rock structure as well as the climatic conditions of the area.
These are: 
(i)Dendritic - The dendritic pattern develops where the river channel follows the slope of the terrain. The stream with its tributaries resembles the branches of a tree, thus the name dendritic.
(ii)Trellis - A river joined by its tributaries, at approximately right angles, develops a trellis pattern. A trellis drainage pattern develops where hard and soft rocks exist parallel to each other.
(iii)Rectangular -  A rectangular drainage pattern develops on a strongly jointed rocky terrain.
(iv)Radial patterns - The radial pattern develops when streams flow in different directions from a central peak or dome like structure.

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Discuss the significant difference between the Himalayan and Peninsular rivers.