Brahmaputra Drainage System

Brahmaputra Drainage System

  • The Brahmaputra rises in Tibet east of Mansarowar lake very close to the sources of the Indus and the Satluj.
  • It is slightly longer than the Indus, and most of its course lies outside India.
  • It flows eastwards parallel to the Himalayas.
  • On reaching the Namcha Barwa (7757 m), it takes a ‘U’ turn and enters India in Arunachal Pradesh through a gorge.
  • Here, it is called the Dihang and it is joined by the Dibang, the Lohit, the Kenula and many other tributaries to form the Brahmaputra in Assam.
  • In India it passes through a region of high rainfall. Here the river carries a large volume of water and considerable amount of silt.
  • The Brahmaputra has a braided channel in its entire length in Assam and forms many riverine islands.
  • Unlike other north Indian rivers the Brahmaputra is marked by huge deposits of silt on its bed causing the river bed to rise.
  • The river also shifts its channel frequently.

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