Brahmaputra

Subject – Geography

Context – Assam floods hit 2.25 lakh people

Concept –

It originates under the name of Siang or Dihang, from the Chemayungdung glacier of the Kailash range near the Mansarovar Lake.
It enters India west of Sadiya town in Arunachal Pradesh.
Tributaries: Dibang, Lohit, Siang, Burhi Dihing, Tista, and Dhansari.
It is a perennial riverand has several peculiar characteristics due to its geography and prevailing climatic conditions.
It is flooded twice annually. One flood is caused by the melting of the Himalayan snow in summer and the other due to the monsoon flows.
These pose a concern for the population and food security in the lower riparian states of India and Bangladesh.
The river is in itself dynamic as frequent landslides and geological activity force it to change course very often.
The world’s largest riverine island, Majuli Island is on the Brahmaputra River in the state of Assam.
The Brahmaputra drains into the Bay of Bengal before forming a huge delta along with the Ganga.