Context:
The flow of Jiadhal River is being disrupted due to climate change.
Jiadhal River:
- It is a north-bank tributary of Brahmaputra.
- Originates in – Lower Himalayan ranges in Arunachal Pradesh.
- Course of River – Flows through Assam and meets Brahmaputra near Majuli Island
- Topography – Upper part of the basin is hilly (Himalayan range), and the Middle part onwards is a plain area.
- Example of flashy river and produces floods with sudden, high discharge over short time interval and with high sediment load and debris.
- Frequently changes its course during flash floods
Brahmaputra:
- Origin – Chemayungdung glacier in southwestern Tibet
- Known in different names in different regions –
| Region | Name |
| Tibet | Tsangpo |
| Assam valley | Dihang |
| Bangladesh | Jamuna |
| Bangladesh | Padma River (Combined Waters of Ganga and Brahmaputra) |
| Bangladesh | Meghana (From the confluence of Padma and Meghna) |
- Major Tributaries –
- Left bank – Dhansiri, Lohit, Dibang
- Right Bank – Subansiri, Kameng, Manas, Sankosh
Source: Down To Earth
Previous Year Question
Gandikota canyon of South India was created by which one of the following rivers?
[UPSC Civil Service Exam – 2022 Prelims]
(a) Cauvery
(b) Manjira
(c) Pennar
(d) Tungabhadra
Answer: (c)
