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A barrage is a type of low-head, diversion dam which consists of a number of large gates that can be opened or closed to control the amount of water passing through. This allows the structure to regulate and stabilize river water elevation upstream for use in irrigation and other systems.
A barrage dam is a special kind of dam that consists of a line of large gates that can be opened or closed to control the amount of water passing the dam. The gates are set between flanking piers which are responsible for supporting the water load, and are often used to control and stabilize water flow for irrigation systems.
A dam is a water reservoir in the ground, confined by a barrier, embankment or excavation, on a pastoral property or similar. The term is found widely in South African, Australian [1] and New Zealand English, and several other English dialects, such as that of Yorkshire. [2] The term can be found in the old English folk song Three Jolly Rogues:
A head's location varies with the height of the water level against the dam. Since there is only an extremely low flow within the reservoir so no water level gradient, the head can be clearly seen: where the farthest watercourse discharges into the reservoir.
Barrage (military science), a wide range of structures, devices, or measures for destroying something to constrain or impede the movement of troops and forces. Barrage (artillery), a line or barrier of artillery or depth charge fire; Barrage (dam), a type of dam; Barrage balloon, a tethered balloon used as an obstacle to attacking aircraft
By general definition, a dam is a barrier that impounds water or underground streams, hence tailings dams are relegated to a separate list. Data on volume of structure is not as easily available or reliable as data on dam height and reservoir volume.
The Hoover Dam on the Colorado River between Arizona and Nevada, constructed between 1931 and 1936, was slightly taller, but Grand Coulee was more than four times as long. Only the Three Gorges ...
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