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The tank cascade system (Sinhala: එල්ලංගාව, romanized: ellaṅgāva) is an ancient irrigation system spanning the island of Sri Lanka. It is a network of thousands of small irrigation tanks (Sinhala: වැව, romanized: wewa) draining to large reservoirs that store rainwater and surface runoff for later use.
Resource-use efficiency and environmental sustainability in the village tank cascade systems in the dry zone of Sri Lanka: An assessment using a bio-economic model. Introduction Village tank...
Sri Lanka’s tank cascades (a network of small tanks that store surface water) are one of the country’s greatest legacies from a remarkable hydraulic civilization, built by its ancient kings as a solution to the water scarcity in the country’s dry zone, over 2,000 years ago.
Built during the golden age of the Anuradhapura Kingdom in Sri Lanka during the rule of King Mahasen , Minneriya Tank is one of the oldest reservoirs in Sri Lanka.
Minneriya tank[1] is a reservoir in Sri Lanka made by an old civilisation; the Anuradhapura Kingdom. King Mahasena ordered a dam build across the Minneriya River, which made the lake. The tank covered 4,670 acres (18.9 km 2).
Irrigation Tanks (Vewa) The Vewa and Ancient Tradition. Ancient Sri Lanka boasts a distinguished hydraulic civilization. The technology used to construct the irrigation system of Sri Lanka is unmatched, and has long confounded and fascinated acclaimed irrigation engineers such as Henry Parker (a British hydraulic engineer who served in the ...
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