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Aliyar Reservoir

Aliyar (also spelt Azhiyar / Aaliyar) Reservoir is a 6.48 km2 (2.5 sq mi) reservoir located in Aliyar village near Pollachi town in Coimbatore District, Tamil Nadu, South India. The dam is located in the foothills of Valparai, in the Anaimalai Hills of the Western Ghats.[2] It is about 65 kilometres (40 mi) from Coimbatore. The dam offers some ideal getaways including a park, garden, aquarium, play area and a mini Theme-Park maintained by Tamil Nadu Fisheries Corporation for visitors enjoyment. The scenery is beautiful, with mountains surrounding three quarters of the reservoir. Boating is also available.[3]

Aliyar Reservoir
Aerial view of Aliyar Reservoir, Dam at top
Location of the Aliyar Reservoir in Tamil Nadu
CountryIndia
LocationCoimbatore District, Tamil Nadu
Coordinates10°28′26″N 76°58′22″E / 10.4739°N 76.9728°E / 10.4739; 76.9728
Opening date1962
Dam and spillways
Type of damGravity dam
Height235 ft (72 m)
Reservoir
CreatesAliyar Reservoir
Total capacity109.42 million cubic meters (MCM) or 3.86 tmc ft
Catchment area468.8 km2 (181.0 sq mi)
Surface area6.48 km2 (2.50 sq mi)
Maximum water depth36.5 m (120 ft)
Normal elevation320 m (1,050 ft)
Power Station
Operator(s)Tamil Nadu Generation and Distribution Corporation Limited
Commission dateUnit 1: 21 March 1970
Lower Aliyar Dam Unit 2: 23 September 2002
Turbines1 x 60 MW
2 x 1.25  MW [1]
Installed capacity62.50 MW

History edit

The Aliyar Dam was constructed during 1959-1969 across the Aliyar river, mainly for irrigation purposes. Aliyar Dam was inaugurated on 2 October 1962 (Gandhi Jayanti day) by then Prime minister of India, Pandit Jawaharlal Nehru, K Kamaraj, the Chief Minister of Tamil Nadu state presided over the function. The project was commissioned in September 2002 to generate Hydro Electric Power.

Hydrography edit

 
Island in Aliyar Reservoir, Dam in background

Aliyar lake receives water from Upper Aliyar Reservoir through the hydroelectric power station in Navamali and the Parambikulam reservoir through a contour canal. Aliyar dam, built as a part of Parambikulam aliyar project (PAP), retains a large reservoir.[3] The dam is around 2 kilometres (1.2 mi) in length.

The lowest level outlet of the reservoir is 930 feet (280 m) above Mean Sea Level (MSL) and the canal intake is 980 feet (300 m) above MSL. The spillway is 1,040 feet (320 m) above MSL and the FRL (Full Reservoir Level) is 1,050 feet (320 m) above MSL. The maximum surface area is 48 hectares (120 acres) (1,600 acres). The volume of water at FRL is 3.864 Tmcft (88,705 acre-feet (109,416,000 m3)). The maximum depth is 41 metres (135 ft) and the mean depth 16.8 metres (55 ft) . The volume development is 1.2 m. The highest inflow usually occurs during July and August. The shoreline is poorly indented, the shore development is poor and shallow and the Aquatic plants and limnology of the littoral zone is also very limited.[4]

Fisheries edit

Ailyar reservoir was studied by the Central Inland Fisheries Research Institute (CFRI) for eleven years from 1982 to 1992. The rate of energy conversion at primary producer level and at the fish production level at Aliyar is considered higher than in any other Indian reservoir. The indigenous fish of the reservoir includes 40 species belonging to 13 families, plus seven stocked species[5]

Hydel Power Project edit

 
A panoramic view of the Aliyar Reservoir

This project consists of a series of dams interconnected by tunnels and canals for harnessing the waters of the Parambikulam, Aliyar, Sholiyar, Thunakadavu, Thekkadi and Palar rivers, flowing at various elevations, for irrigation and power generation. The scheme is an outstanding example of engineering skill. At present, the discharges are being let down through three sets of sluices/ canals, viz., Pollachi Canal, Vettaikaranpudur Canal and the river sluices. Under this scheme, the irrigation discharges let down through river sluices of the Aliyar Dam utilized for power generation in a power house at the toe of the dam. Being a micro hydel scheme, this project is subsidized by the Ministry of Non-conventional Energy Sources, Government of India.

Visitor information edit

 
View of park garden from top of the dam

Aliyar dam is a popular tourist destination.[6] Near Aliyar dam are some visitor attractions including a park, garden, aquarium, play area and a mini Theme-Park maintained by Tamil Nadu Fisheries Corporation for visitors enjoyment. Temple of Consciousness is situated near Aliyar dam entrance at Arutperunjothi Nagar, where Vethathiri Maharishi resides. The scenery is beautiful, with mountains surrounding three quarters of the reservoir. Boating is also available.[3] Monkey Falls is located at 6 km from the dam next to Arutperunjothi Nagar and Forest Department Checkpost.[4] Overnight stay is possible in the forest rest house. A treetop house provides accommodation for the adventurous.[7] The Dam and Park and the overall surroundings of the dam are very poorly maintained as of 2017.

See also edit

References edit

  1. ^ "Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO)".
  2. ^ . Archived from the original on 13 October 2007. Retrieved 3 June 2008.
  3. ^ a b c Pollachi Dams
  4. ^ a b Limnological studies on parambikulam Aliyar-project-I Aliyar Reservoir (Madras State), India 14 July 2011 at the Wayback Machine Journal Aquatic Sciences - Research Across Boundaries, Birkhäuser Basel, ISSN 1015-1621 (Print) 1420-9055 (Online), Volume 32, Number 2 /, September, 1970, DOI 10.1007/BF02502556, pp 405-417, SpringerLink, 11 October 2006
  5. ^ Sugunan, V.V.; Fisheries and Aquaculture Department (1995). "2. TAMIL NADU (Continued) 2.7 ALIYAR RESERVOIR". Reservoir fisheries of India. Fisheries Technical Paper T345 1995. FAO. ISBN 92-5-103673-X.
  6. ^ "சுற்றுலா பயணிகள் குவிந்ததால் களைகட்டியது ஆழியாறு அணை". Dina Malar. 7 November 2010. Retrieved 7 November 2010.
  7. ^ Infrastructure Development & Tourism, Govt. of Tamil Nadu

aliyar, reservoir, aliyar, also, spelt, azhiyar, aaliyar, reservoir, reservoir, located, aliyar, village, near, pollachi, town, coimbatore, district, tamil, nadu, south, india, located, foothills, valparai, anaimalai, hills, western, ghats, about, kilometres, . Aliyar also spelt Azhiyar Aaliyar Reservoir is a 6 48 km2 2 5 sq mi reservoir located in Aliyar village near Pollachi town in Coimbatore District Tamil Nadu South India The dam is located in the foothills of Valparai in the Anaimalai Hills of the Western Ghats 2 It is about 65 kilometres 40 mi from Coimbatore The dam offers some ideal getaways including a park garden aquarium play area and a mini Theme Park maintained by Tamil Nadu Fisheries Corporation for visitors enjoyment The scenery is beautiful with mountains surrounding three quarters of the reservoir Boating is also available 3 Aliyar ReservoirAerial view of Aliyar Reservoir Dam at topLocation of the Aliyar Reservoir in Tamil NaduCountryIndiaLocationCoimbatore District Tamil NaduCoordinates10 28 26 N 76 58 22 E 10 4739 N 76 9728 E 10 4739 76 9728Opening date1962Dam and spillwaysType of damGravity damHeight235 ft 72 m ReservoirCreatesAliyar ReservoirTotal capacity109 42 million cubic meters MCM or 3 86 tmc ftCatchment area468 8 km2 181 0 sq mi Surface area6 48 km2 2 50 sq mi Maximum water depth36 5 m 120 ft Normal elevation320 m 1 050 ft Power StationOperator s Tamil Nadu Generation and Distribution Corporation LimitedCommission dateUnit 1 21 March 1970 Lower Aliyar Dam Unit 2 23 September 2002Turbines1 x 60 MW 2 x 1 25 MW 1 Installed capacity62 50 MW Contents 1 History 2 Hydrography 3 Fisheries 4 Hydel Power Project 5 Visitor information 6 See also 7 ReferencesHistory editThe Aliyar Dam was constructed during 1959 1969 across the Aliyar river mainly for irrigation purposes Aliyar Dam was inaugurated on 2 October 1962 Gandhi Jayanti day by then Prime minister of India Pandit Jawaharlal Nehru K Kamaraj the Chief Minister of Tamil Nadu state presided over the function The project was commissioned in September 2002 to generate Hydro Electric Power Hydrography edit nbsp Island in Aliyar Reservoir Dam in background Aliyar lake receives water from Upper Aliyar Reservoir through the hydroelectric power station in Navamali and the Parambikulam reservoir through a contour canal Aliyar dam built as a part of Parambikulam aliyar project PAP retains a large reservoir 3 The dam is around 2 kilometres 1 2 mi in length The lowest level outlet of the reservoir is 930 feet 280 m above Mean Sea Level MSL and the canal intake is 980 feet 300 m above MSL The spillway is 1 040 feet 320 m above MSL and the FRL Full Reservoir Level is 1 050 feet 320 m above MSL The maximum surface area is 48 hectares 120 acres 1 600 acres The volume of water at FRL is 3 864 Tmcft 88 705 acre feet 109 416 000 m3 The maximum depth is 41 metres 135 ft and the mean depth 16 8 metres 55 ft The volume development is 1 2 m The highest inflow usually occurs during July and August The shoreline is poorly indented the shore development is poor and shallow and the Aquatic plants and limnology of the littoral zone is also very limited 4 Fisheries editAilyar reservoir was studied by the Central Inland Fisheries Research Institute CFRI for eleven years from 1982 to 1992 The rate of energy conversion at primary producer level and at the fish production level at Aliyar is considered higher than in any other Indian reservoir The indigenous fish of the reservoir includes 40 species belonging to 13 families plus seven stocked species 5 Hydel Power Project edit nbsp A panoramic view of the Aliyar Reservoir This project consists of a series of dams interconnected by tunnels and canals for harnessing the waters of the Parambikulam Aliyar Sholiyar Thunakadavu Thekkadi and Palar rivers flowing at various elevations for irrigation and power generation The scheme is an outstanding example of engineering skill At present the discharges are being let down through three sets of sluices canals viz Pollachi Canal Vettaikaranpudur Canal and the river sluices Under this scheme the irrigation discharges let down through river sluices of the Aliyar Dam utilized for power generation in a power house at the toe of the dam Being a micro hydel scheme this project is subsidized by the Ministry of Non conventional Energy Sources Government of India Visitor information edit nbsp View of park garden from top of the dam Aliyar dam is a popular tourist destination 6 Near Aliyar dam are some visitor attractions including a park garden aquarium play area and a mini Theme Park maintained by Tamil Nadu Fisheries Corporation for visitors enjoyment Temple of Consciousness is situated near Aliyar dam entrance at Arutperunjothi Nagar where Vethathiri Maharishi resides The scenery is beautiful with mountains surrounding three quarters of the reservoir Boating is also available 3 Monkey Falls is located at 6 km from the dam next to Arutperunjothi Nagar and Forest Department Checkpost 4 Overnight stay is possible in the forest rest house A treetop house provides accommodation for the adventurous 7 The Dam and Park and the overall surroundings of the dam are very poorly maintained as of 2017 See also editList of dams and reservoirs in India ValparaiReferences edit nbsp Wikimedia Commons has media related to Aliyar Reservoir Tamil Nadu Generation and Distribution Corporation Limited TANGEDCO Aliyar Dam Archived from the original on 13 October 2007 Retrieved 3 June 2008 a b c Pollachi Dams a b Limnological studies on parambikulam Aliyar project I Aliyar Reservoir Madras State India Archived 14 July 2011 at the Wayback Machine Journal Aquatic Sciences Research Across Boundaries Birkhauser Basel ISSN 1015 1621 Print 1420 9055 Online Volume 32 Number 2 September 1970 DOI 10 1007 BF02502556 pp 405 417 SpringerLink 11 October 2006 Sugunan V V Fisheries and Aquaculture Department 1995 2 TAMIL NADU Continued 2 7 ALIYAR RESERVOIR Reservoir fisheries of India Fisheries Technical Paper T345 1995 FAO ISBN 92 5 103673 X ச ற ற ல பயண கள க வ ந தத ல கள கட ட யத ஆழ ய ற அண Dina Malar 7 November 2010 Retrieved 7 November 2010 Infrastructure Development amp Tourism Govt of Tamil Nadu Retrieved from https en wikipedia org w index php title Aliyar Reservoir amp oldid 1221270773, wikipedia, wiki, book, books, library,

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