CAUVERY - GEOGRAPHY

News: Tamil Nadu flags shortage in its share of Cauvery water

 

What's in the news?

       Objecting to the deficit in its share of water received from Karnataka, the Tamil Nadu government wrote to the Cauvery Water Management Authority (CWMA) flagging the issue and seeking directions to the neighbouring State to release Tamil Nadu’s actual share for July as per the schedule.

 

Key takeaways:

       The Tamil Nadu government would block the efforts to construct a dam across the Cauvery at Mekedatu by placing strong arguments when the cases relating to this issue come up for hearing in the Supreme Court.

 

Cauvery River:

       It is known as ‘Ponni’ in Tamil also known as Ganga of the south, and it is the fourth largest river of southern India.

       It is a sacred river of southern India.

 

Origin:

       Originates from Talakaveri in the Western Ghats, Karnataka.

       It rises on Brahmagiri Hill of the Western Ghats in southwestern Karnataka state, flows in a southeasterly direction through the states of Karnataka and Tamil Nadu, and descends the Eastern Ghats in a series of great falls and drains into Bay of Bengal through Pondicherry.

 

Stats:

       Covers a total length of approximately 805 kilometers.

       The river basin spans an area of around 81,155 square kilometers.

 

States located in the basin:

       Cauvery river basin is spread in the states of Karnataka, Tamil Nadu, Kerala and the Union Territory of Puducherry.

 

Tributaries:

       Left bank - Harangi, Hemavathi, Shimsa, Arkavathi

       Right bank - Lakshmana Theertha, Kabini, Suvarnavathi, Bhavani, Noyyal, Amaravati.

 

Cities located:

       Mysuru

       Srirangapatna

       Shivanasamudra

       Sivasamudram

       Mettur

       Erode

       Karur

       Thanjavur

       Kumbakonam

 

Other Key Features:

       Features captivating waterfalls like Shivanasamudra Falls.

       Forms the fertile Cauvery delta, known as the “Rice Bowl of Tamil Nadu".

       Numerous reservoirs and dams constructed along the river, such as Krishna Raja Sagara, Kabini, Mettur, and Stanley Reservoir.

       Supports diverse ecosystems and a wide range of wildlife, including elephants, tigers, crocodiles, and various bird species.