Write the role of dams and barrages.​

What is a Barrage?

A barrage is a type of dam; however, instead of being a massive concrete wall that the water can’t flow over, the barrage is full of gates.

These gates are opened and closed to directly control the amount of water that passes through it. Having a barrage instead of a dam means that the flow of water can be kept stable for its intended purpose, such as irrigation to nearby cities, towns, or farmlands. Unlike a dam, the water stored behind a barrage depends on the height of its gates and not the height of the entire wall. The flow and level of water are easily monitored because the gates can be easily manipulated.

A barrage is constructed when water doesn’t need to be stored but rather diverted. For this reason, the barrage is usually built across a flat and relatively slow-moving river. Unlike a dam, which will raise waters nearly to its height, a barrage will only raise the water level by a few feet. This is also useful for navigation, because a barrage can increase the depth of a river by a few feet.

What is a Dam?

A dam is a barrier that is constructed across a river valley or water source.

A dam creates a deep reservoir of water that can be stored and used at a later date. These uses can include irrigation, water supply or even electricity generation. A dam is usually an impressive feat of construction, as its sheer height is what keeps the water from moving up and over it. Unlike a barrage, a dam is built for the sole purpose of storing water and to raise the level of water contained within it

usually, however, secession was popular enough without the of community leaders. prominent unionists, on the other hand, were a major reason that texas did not secede before march 1861. the most important of these was sam houston, the governor of the state from 1859 to 1861.

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