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The Mahaweli River (Sinhala: මහවැලි ගඟ, literally "Great Sandy River"; Tamil: மகாவலி ஆறு [mahawali gangai]), [2] is a 335 km (208 mi) long river, ranking as the longest river in Sri Lanka.
This article lists the main rivers which flow in Tamil Nadu. Out of the below rivers, Kaveri, Thenpennai, Palar, are the three largest rivers of Tamil Nadu followed by Vaigai River, Noyyal River, Cheyyar River, Then Pennai, Vellar River (Northern Tamil Nadu), Vellar River (Southern Tamil Nadu), Moyar River, Pampar River, Bhavani River, Thamirabarani River, Vaippar River are the major rivers in ...
The park's elevation range from 20–60 metres (66–197 ft) with sparse rock outcrop. [3] The Mahaweli River flows from south to north through the centre of the park. The rich alluvial soil flood plains situated beside the river are featured by a number of shallow swampy depressions called "villus".
The central riparian flood plain is featured by many old river channels and contain dispersed 'villus', the waterfilled basins around among the grassy plains. There are 20 such villus is located in the park. [3] Somawathiya and Flood plains national parks are important protected areas for the wetland system of Mahaweli River flood plains. [5]
A catchment site within the system is referred to as a wewa (වැව) in Sinhala, and this term is translated into English as "tank". [7]These tanks are connected in a series, referred to as a cascade, so that an ephemeral waterflow can be used, stored for future use, or conveyed elsewhere. [7]
Kaliveli Lake, or Kaliveli Lagoon, is a coastal lake and lagoon with wetlands in the Viluppuram District of Tamil Nadu state, in eastern South India. This lake is on the Coromandel Coast, near the Bay of Bengal. It lies approximately 16 kilometres (9.9 mi) north of Pondicherry city, and 10 kilometres (6.2 mi) north of Auroville.
Out of the total area of 740 km 2, 47.22 km 2 has been declared as protected area under Section 26 of Tamil Nadu Forest Act. In the northern parts where brackish water could be found, attempts are made to dig up channels in fish-bone design and mangroves species such as rhizhophora and avicennia have been planted in extents varying from 50 to ...
Constructed for the irrigation of crops in this arid region, its source of water is the Mahaweli River, the longest in the island, which flows out to the sea at Trincomalee. [ 6 ] One of the oldest tanks in Sri Lanka, the Kantale Tank gives water to a vast area for paddy [ 7 ] and sugar cane plantations [ 8 ] as well as for human consumption in ...