River Flooding and What Damage Can Be Done

Oct. 18, 2010 - PRLog -- When a river is overwhelmed, its overflow will result in a flash flood and may cause a large destruction over the flooded areas. Mostly river floods happen periodically when the water level of the river gets hiked than the normal state and results in overflow of rivers. The main factors that cause for river flooding are heavy rainfall or heavy melting of snow on mountains are the reasons for this to occur.

River floods will result in damage of the neighborhood area of the river or sometime when there is a sudden increase in the discharge of water in to streams and out of streams which are known as called flood planes. When the discharge of water from streams causes the river to rise above flood stage, water runs onto the areas near by the river.

Dam failures are also a cause for river flooding, dam failure is caused when heavy rainfall occurs over a short period of time. When rain falls on the surface of the Earth nearly 40 % of water remains on the Earth surface flows into streams and rivers thus the water level on the river increases. In order to get rid of these river floods a graph called hydrograph, which when plotted shows the deviations in the discharge of water over the river versus time. This graph could be a great help for getting flood information, usually via a surveyor (http://www.surveyors-directory.co.uk/).

When the discharge of water from a river increases this will result in the overflowing of water and its banks and the near by land areas will have to cause river flooding and more destructions in these areas. Find out more about Green issues and flooding at the Green Forum (http://www.greenasap.co.uk/green_forum/).

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