Barrage

Definition

A low dam or wall across a stream to raise the upstream water level. Termed fixed crest weir when uncontrolled.

Dam that blocks the entire valley cross-section beyond the cross-section of the watercourse. It usually consists of the main barrier with reservoirs and lockers (shut-off structures) with dumps or storage basins.

Source

Glossary of Coastal & Hydraulics Laboratory (CHL), US Army Corps of Engineers (USACE), Vicksburg, USA;

translated from DIN 4048-1 by Ale & Hannah Carrizo

Additional links

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Overview