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18 May 2022
Consider the following statements about a river of Tamil Nadu:
It flows through Tirunelveli and Thoothukudi districts of the Tamil Nadu state of southern India into the Gulf of Mannar.
It is the shortest river in the state; From the source to sea, the river is about 128 kilometres long and is the only perennial river in Tamil Nadu.
This river flows towards north direction initially. However, it changes to east direction later.
Which of the following is being referred here?
Suruli River: This originates from the Suruli Waterfall, which is among the major tourist attractions in the Theni district.
Noyil River:This tributary of Kaveri flows through Dharapuram taluk and Palladam taluk in Erode district and Coimbatore district respectively.
Thamirabarani River: The shortest river in the state of Tamil Nadu, the Thamirabarani starts in Pothigai hills of the Western Ghats in the Ambasamudram taluk, flows through Tirunelveli and Thoothukudi districts and empties at Korkai (Tirunelveli district) into the Gulf of Mannar (Bay of Bengal).
Vaigai River: While flowing towards the Palk Strait, it changes its course towards the south east near Sholavandan and passes through the town of Madurai.
The river Brahmaputra originates in Himalayan Lake Manasarover in Tibet to the outfall in the Bay of Bengal.
It flows eastward in Tibet and south, south-west in India and traverses a distance of about 2900 km out of which 1,700km is in Tibet, 900 km is in India and 300 km is in Bangladesh.
It is fed by the glaciers and joined by a number of tributaries which originates at different elevation in the hills
River Course of Brahmaputra River System
The Brahmaputra River System (3848 km) is one of the longest rivers of the world. It is known as the Yarlung Tsangpo River in Tibet, the Brahmaputra, Lohit, Siang, and Dihang in India, and the Jamuna in Bangladesh.
It traverses eastward longitudinally for a distance of nearly 1,200 km in a dry and flat region of southern Tibet, where it is known as the Tsangpo, which means ‘the purifier.’ The Rango Tsangpo is the major right bank tributary of this river in Tibet.
It emerges as a turbulent and dynamic river after carving out a deep gorge in the Central Himalayas near Namcha Barwa (7,755 m).
The river emerges from the foothills under the name of Siang or Dihang. It enters India west of Sadiya town in Arunachal Pradesh.
Flowing southwest, it receives its main left bank tributaries, viz., Dibang or Sikang and Lohit; thereafter, it is known as the Brahmaputra.
Among the tributaries Subansiri, Manas, Jiabharali, Pagladiya, Puthimari and Sankosh etc. are snow fed.
Dibru-Saikhowa National Park is a national park located in Dibrugarh and Tinsukia districts, Assam, India. It was designated a Biosphere Reserve in July 1997 with an area of 765 km2 (295 sq mi).
It is located at about 12 km (7.5 mi) north of Tinsukia town at an average elevation of 118 m (387 ft), ranging from 110 to 126 m (361 to 413 ft).
The park is bounded by the Brahmaputra and Lohit Rivers in the north and Dibru River in the south.
It mainly consists of moist mixed semi-evergreen forests, moist mixed deciduous forests, canebrakes and grasslands. It is the largest salix swamp forest in north-eastern India, with a tropical monsoon climate with a hot and wet summer and cool and usually dry winter.
Annual rainfall ranges from 2,300 to 3,800 mm (91 to 150 in).
It is a haven for many endangered species and rich in fish diversity.
It is also known for its huge population of feral horses.
It is an identified Important Bird Area (IBA), notified by the Birdlife International. It is most famous for the rare white-winged wood ducks as well as feral horses.
Mammals found in the Park include Tiger, Elephant, Leopard, Jungle Cat, Bears, Small Indian Civet, Squirrels, Gangetic Dolphin, Hoolock Gibbon, etc. Maguri Motapung wetland is a part of the Reserve.
Mekedatu Water Project Why in News?
Karnataka and Tamil Nadu are at loggerheads over the Mekedatu drinking water project across river Cauvery.
Tamil Nadu’s Assembly has passed a resolution against the project, while Karnataka’s legislative assembly is set to counter it with a resolution seeking the project’s early implementation and clearance.
Mekedatu is a location along Kaveri in the border of Chamarajanagar and Ramanagara Districts of Kanataka.
Hence, Statement 1 is incorrect
From this point, about 3.5 kilometers downstream, the river Kaveri flows through a deep and narrow gorge.
Mekedatu is a drinking water cum power generation project located at the confluence of river Cauvery and its tributary Arkavathi
Question : Consider the following statements with respect to the River Cities Alliance, a dedicated platform for river cities in India to ideate, discuss and exchange information for sustainable management of urban rivers:
The National Mission for Clean Ganga (NMCG) and National Institute for Urban Affairs (NIUA) have collaborated together to launch the River Cities Alliance (RCA)
The River Cities Alliance can play a crucial role in connecting cities with their rivers, and that it can be a model for all cities in the Basin and beyond to emulate
This first of its kind Alliance in the world symbolizes the successful partnership of the two Ministries i.e., Ministry of Jal Shakti and Ministry of home Affairs.
30 Members Cities from across the Country Sign the Alliance that will focus on three broad themes- Networking, Capacity Building and Technical Support.
Which of the statements given above are correct?
1, 2 and 3
2, 3 and 4
1, 2 and 4
1, 2 ,3 and 4