Dibang River, also known as Sikang in Adi and Talon in Idu, is a tributary river of the Brahmaputra that originates and flows through the Mishmi Hills & northeast India from the state of Arunachal Pradesh.
The Dibang originates near Keya pass on the Indo-Chinese border in the Dibang Valley district of Arunachal Pradesh. The drainage basin of the river within Arunachal Pradesh covers the districts of Dibang Valley and Lower Dibang Valley. The Mishmi Hills lie in the upper course of the Dibang which enters the plains at Bomjir, Dambuk etc . Between Bomjir (Nizamghat) and Sadiya the Dibang has a steep river gradient and exhibits braided channel morphology with its width varying from 4 to 9 kilometres (2 to 6 mi). It often changes its course resulting in flooding and destruction of cultivable land and forests along its banks. The Dibang, with a total length of 195 kilometres (121 mi), enters the River Lohit north of the Dibru-Saikhowa sanctuary near the Assamese town of Sadiya.
The Sisar, Mathun, Tangon, Dri, Ithun and Emra are the major tributaries of the Dibang. The Dibang is also joined by a number of tributaries such as the Airi , Ilu , Imu , Ahi, Ashu, Epipani and Eze (Deopani) rivers during its course. Most of these rivers join it in the upper course in the hills thus giving it a wide fan shaped catchment region.
In 2008, Prime Minister Manmohan Singh laid the foundation stone for a 3000 MW dam as part of the Dibang Multipurpose Project the district of Lower Dibang Valley. Seventeen other dams with power potential between 20 and 4500 MW have also been proposed for the Dibang. The proposed Dibang dam, at 288 metres (945 ft), on completion would be among the largest dams in India and among the world's tallest gravity dams has since run into opposition from the Adi, Idu and the Assamese who live downstream of the project.
- "Damming Dibang River: Mishmi's resistance against 3000 MW Dibang Multipurpose Project". Archived from the original on 7 December 2013. Retrieved 14 September 2013.
- "Dibang Multipurpose Project - Chapter-4: Water Resources" (PDF). WAPCOS Limited. Retrieved 14 September 2013.
- "Restoration Proposal for Dibang & Lohit Rivers". Retrieved 14 September 2013.
- "Dibang sub basin of Brahmaputra Basin". National Institute of Hydrology. Archived from the original on 1 August 2014. Retrieved 14 September 2013.
- "Disquiet in Dibang". Down to Earth. 15 May 2008. Retrieved 14 September 2013.
- "Protests against public hearing on Dibang dam". The Assam Tribune. 5 March 2013. Retrieved 14 September 2013.
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