View of the Mississippi left downstream from left to right rear of the picture, centrally the Old River Control System and right channel of Old River A boat damages the thrusts of the United Stated Army Corps of Engineers
The Old River Control System is a 1963 United States Hydropower Work, operated by the United States Army Corps of Engineers, which controls the flow of Mississippi.
The complex is located north of Simmesport in the far north of the state of Louisiana. Historically, the Red River of the South flowed here in the Mississippi, which sought its way through the Gulf of Mexico through multiple beds in the delta memorial. In history, the Mississippi has been swapped several times from its current controlled run in the delta to the course of the Atchafalaya River and back. However, such an evolution is now no longer considered desirable.
Mississippi's power and flow would, if not controlled by dams and dams, miss Mississippi pave the way along the Atchafalaya River to reach the Gulf of Mexico, thus establishing delta switching bring. This would be disastrous for the very important and major port of South Louisiana and the cities of Baton Rouge and New Orleans. On the other hand, a controlled flow of the Mississippi is important for avoiding floods in the Delta League.
By the construction of the Old River Control System, however, the mutual irrigation of these rivers and streams has been interrupted. Nowadays, the Red River feeds the Atchafalaya River that is created here. The Old River, a 11 km long channeled riverbed, connecting Red River, Atchafalaya River and Mississippi, is used to drain 30% of the Mississippi-Missouri basin flow along the Atchafalaya River. This distribution of debit is even statutory in the United States. At high or low flow rates, this can be adjusted by the Old River Control System, or the Morganza Spillway emergency overload can be used to further relieve the Mississippi.
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