Gujarat BoardEnglish MediumSTD 9Social ScienceDrainage System3 Marks
Question
Write about the Brahmaputra River Syste‘.
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Answer
(1) Brahmaputra originates near ' Mansarovar, the place of origin of Sindhu and Satluj in Tibet. It is slightly longer than Sindhu but a large part of her flow is beyond India.
(2) In Tibet, it flows eastward parallel Himalaya and after taking a ‘U’ turn around' Namcha Barwa peak (7757 m) enters Arunachal Pradesh. Here it has carved out a 5500 metres ‘ deep gorge. In India it flows through Arunachal ‘Pradesh and Assam. Many rivers with ample water meet her here.
(3) This river is known as ‘Tsangpo’ in Tibet. as ‘Dihang’ or ‘Sitang’ in Arunachal Pradesh.,‘ as ‘Brahmaputra’ in Assam and as ‘Jamuna’ ' Bangladesh.
(4) There is less of water and sediments in Tsang Po in Tibet, but it flows through a regiom of heavy rainfall of Assam, so there is huge addition of water and sediments. Moreover, water from many tributaries is emptied into this river.
(5) In Assam, Brahmaputra flows in a braided form, divided among many tributaries connected with each other. That is why there are few large islands within its course.
(6) Every year, there is a large increase in volume of water in Brahmaputra during rainy season. As a result, there are frequent floods in the river and there is heavy devastation in Assam and Bangladesh.
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