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About: Tidal irrigation     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Tide107402519, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: damyago:WikicatTidesyago:Abstraction100002137yago:Event100029378yago:Happening107283608yago:PeriodicEvent107296190yago:PsychologicalFeature100023100yago:YagoPermanentlyLocatedEntityyago:Tide107402519 New Facet based on Instances of this Class

Tidal irrigation is the subsurface irrigation of levee soils in coastal plains with river water under tidal influence. It is applied in (semi) arid zones at the mouth of a large river estuary or delta where a considerable tidal range (some 2 m) is present. The river discharge must be large enough to guarantee a sufficient flow of fresh water into the sea so that no salt water intrusion occurs in the river mouth. The irrigation is effectuated by digging tidal canals from the river shore into the main land that will guide the river water inland at high tide.