The tank cascade system (Sinhala: එල්ලංගාව, romanized: ellangāva) is an ancient Sri Lankan irrigation infrastructure. The system is a network of small tanks draining to large reservoirs that store rainwater and surface runoff for later use.[1][2] Originating in the 1st millennium BCE,[3][4] the system was designated as a Globally Important Agricultural Heritage System by the United Nations Food and Agriculture Organization in 2017.[5] Centralized bureaucratic management of large-scale systems was implemented from the 3rd to the 13th centuries.[2]
- ^ Cite error: The named reference
islandcultureswas invoked but never defined (see the help page). - ^ a b "Tanks in the Dry Zone of Sri Lanka". Department of Earth Sciences, Freie Universtät Berlin. 29 October 2019. Archived from the original on 20 October 2022. Retrieved 18 September 2022.
- ^ Cite error: The named reference
terminologywas invoked but never defined (see the help page). - ^ Vidanage, Shamen (17 August 2018). "Ecological Restoration of Small Tank Cascade Systems". International Union of Forest Research Organizations - International Knowledge Sharing Workshop. Archived from the original on 20 October 2022. Retrieved 18 September 2022.
- ^ "Globally Important Agricultural Heritage Systems (GIAHS): The Cascaded Tank-Village System (CTVS) in the Dry Zone of Sri Lanka". Food and Agriculture Organization of the United Nations. Archived from the original on 20 September 2022. Retrieved 19 September 2022.
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