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About: Drop structure     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatDamsByTypeyago:Artifact100021939yago:Barrier102796623yago:Dam103160309yago:Object100002684yago:Obstruction103839993yago:PhysicalEntity100001930yago:YagoGeoEntityyago:YagoPermanentlyLocatedEntitybuildingyago:Structure104341686yago:Whole100003553 New Facet based on Instances of this Class

A drop structure, also known as a grade control, sill, or weir, is a manmade structure, typically small and built on minor streams, or as part of a dam's spillway, to pass water to a lower elevation while controlling the energy and velocity of the water as it passes over. Unlike most dams, drop structures are usually not built for water impoundment, diversion or raising the water level. Mostly built on watercourses with steep gradients, they serve other purposes such as water oxygenation and erosion prevention.