Question

describe Brahmaputra river basin? ​

Answer 1

Brahmaputra river basin

• The river Brahmaputra is one of the largest rivers of the worldwith a specific yield of 85 ha m / sq km, which is next only to Amazon (87 ha m /sq km).
• Brahmaputra River originates in the great glacier mass north of Kailash ranges of Himalayas (elevation 5,150m) & to just south of lake called 'Konggyu Tsho'.
• Brahmaputra traverses a distance of 2,900km through four countries - Tibet (China), Bhutan, India and Bangladesh before entering the Bay of Bengal.
• The source of this river lies in the Kanglung Kang Glacier near the Kailash range of Himalayas located in the south-western part of the Tibetan plateau at an elevation of 5,300m (82°10° E and 30°30’ N) near Konggyu Tso Lake.
• Here the river is called Tamchok Khambab Kangri. Many snowfed streams join the river from the passes at about 60 km southeast of Mansarovar Lake.
• It has a catchment area of 580,000 sq. km, an average annual discharge of 19,820 cumec, an average annual sediment load of 735 million metric tonnes, and a specific flood discharge of 0.149 cumec/ sq. km.
• The catchment area of the river falls in four countries. Although the main river does not flow through the Kingdom of Bhutan, 96% of Bhutan’s area falls under this basin.
• Important tributaries of Brahmaputra in Indian territory are Subansiri, Kameng (Jiabharali), Dhansiri, Buri-Dihing, Kopili, Manas, Sankosh,Jaldhaka, Torsa and Teesta.

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