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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.
The first tank which can be identified with certainty was built by King Pandukabhaya, who reigned from 437 to 367 BC. It is said that he had three tanks built, namely Abhaya Wewa, Gamini Wewa, and Jaya Wewa. Of these, only one, Abhaya Wewa, can be identified with an extant tank, Basawakkulama Wewa.
Parakrama Samudra (or King Parakrama's sea or the Sea of King Parakrama) is a shallow reservoir (), consisting of five separate wewa (reservoirs) (thopa, dumbutulu, erabadu, bhu, kalahagala tanks) connected by narrow channels in Polonnaruwa, Sri Lanka.
The tank was built by Kulakkottan (604-614 AD) and further developed by King Parakramabahu the Great. [2] It was also known as Gangathala Vapi at the time. The reservoir has a catchment area of 216 km 2 (83 sq mi) and a capacity of 135 million cubic metres (4.8 × 10 9 cu ft).
During 1952 to 1957, the tank was rehabilitated by the Department of Irrigation of Sri Lanka. [2] The reservoir and hotel is situated with the Kaludiya Pokuna Forest archeological site. The reservoir measures 4.8 km (3.0 mi) and 2.3 km (1.4 mi) at its longest length and width respectively, with a catchment area of 102 km 2 (39.4 sq mi) and a ...
Kala Wewa; Location: Anuradhapura District, Sri Lanka: Type: Reservoir: Primary outflows: Transferred water to Thisa Wewa via Jaya Ganga: Basin countries: Sri Lanka: Surface area: 7 square miles (18.1 km²) at full capacity: Water volume: 123 million cubic meters (4 billion cubic feet) Shore length 1: 40 miles (64.4 km) 1 Shore length is not a ...
An image shared on X claims to show an Israeli Merkava tank modified into a fruit stand in Gaza. Verdict: False The tank is a Syrian T-55, not an Israeli Merkava tank. It was taken in Syria. Fact ...
The Sri Lankan chronicle, the Culavamsa which was written in the Buddhist canonical language Pali, enumerates his works both as a provincial ruler in western Sri Lanka and later as the monarch of the whole country: he either built or restored 163 major tanks (reservoirs), 2,617 minor tanks, 3,910 irrigation channels, 328 stone sluices and 168 ...
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