Write down three basis on which Indian drainage system is classified
Answers
There are several bases for classifying drainage systems of India. They are briefly described below:
1. Size of the Catchment Area: Indian rivers are divided into the following three categories depending upon the size of their catchment area.
(i) Major river basins with catchment area of 20,000 sq km and above.
(ii) Medium river basins with a catchment area between 2,000 sq km and 20,000 sq km .
(iii) Minor river basins with a catchment area below 2,000 sq km .
2. Origin : The drainage systems of India are also classified as per their origin (a) The Himalayan rivers and (b) The Peninsular rivers
3. Orientation to the Sea: The Indian drainage is also divided on the basis of orientation to the sea. These include: (i) the Bay of Bengal drainage and (ii) Arabian sea drainage.
Hope this helps.
The three basis on which Indian drainage system on the basis of shape, pattern and drainage type.
Explanation:
- On the basis of characteristics, the Indian drainage is classified. The Himalayan drainage consent of the Indus, Ganga, and the Brahmaputra. While the peninsular drainage type consists of seasonal rivers. They are east and west-flowing systems.
- On the basis of patterns or type of the drainage, the rovers are antecedent and consequent leading to dendritic patterns, and the peninsular are superimposed, radical and rectangle patterns.
- The nature of the river course is long, meandering and that of peninsular is small and fixed. The catchment area of large from Himalayan and is small for peninsular type.
- The Himalayan is young and youthful while the peninsular are old and mature in origin.
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