Hard And Soft River Defences On The Mississippi

Hard overeat defences on the disseminated multiple sclerosis The dams in the manuscript river atomic number 18 a hard flood defence. There ar twain different types of dams on the Mississippi River, wing dams and closing dams. wing dams atomic number 18 built close together with brush and rock structures that exceed from the river bank to the channel and closing dams argon employ to draw a blank connections between the main channel and side carry of the floodplains. The advantages of genial synthesis dams on the Mississippi are that they enhance the electric energy generating capacity for the surrounding regions and the river wont prohibitionist up but just waits for more water to arrive. The disfavour of construction dams on the Mississippi is that it could cause flooding if there are too great amounts of water. The flow of major tributaries in places much(prenominal) as Missouri, Ohio and Tennessee has been controlled by a series of dams. A Levee in the Mississip pi river is a naturally occurring ridge or artificially constructed wall which regulates water levels and stops the river from flooding. They are parallel to the sail of the river in its floodplain. Advantages of levees are that they can protect a build from the surrounding area of the Mississippi and there will be no pressure from the water to cause structural damage to the building.

Disadvantages of levees on the Mississippi are that they may be pricey if they are artificially made and they require a curing of land area. Levees have been heightened in places to over 15 metres and streng wherefore and there are almost 3000km of levees along the main river and its tributa! ries. springtime channels on the Mississippi can store excess water in times of a flood and whence release it after the risk of floods has past. Advantages of overspill channels are that they increase the capacity of the river by providing an alternative additional channel, oddly during times of high flow and disadvantages are that there is a significant cost needed to form them and can make fully in to further problems...If you want to get a full essay, companionship it on our website: BestEssayCheap.com

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