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Consequences and Responses of Floods in the L.E.D.W and the M.E.D.W

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Introduction

Consequences and Responses of Floods in the L.E.D.W and the M.E.D.W The consequences of floods are both physical and economical. The one that is the most covered by the press is physical because it has the most dramatic visual effect. Both M.E.D.C's and L.E.D.C's suffer from the same consequences of floods, but the difference is what they are able to do to prevent the disaster. Physical consequences of floods include. * The destruction of infrastructure namely roads and rivers that become too full of debris, this also includes telephone lines. This is most important in L.E.D.C's because they don't have the money to get them repaired quickly, also L.E.D.C's generally don't have any other means of getting to stricken areas e.g. helicopters, so they have to be donated by other countries. * Loss of life (including animals) and property, including farmland and houses. The loss of life can be divided into deaths from the primary and secondary effects of flooding. ...read more.

Middle

The responses to floods in an M.E.D.C could be. * Dams and reservoirs contain a large percentage of river water to be used to keep 'reserved' water for when it is needed. The creation of dams and reservoirs means that a smaller volume of water will be in the river than if there wasn't a dam/reservoir. An example of this in an M.E.D.C is the six dams on the Missouri river that create 105 reservoirs that apart from preventing flooding allow the generation of hydro-electric power. * Afforestation delay run-off and reduce the amount of water reaching the river. * Diversionary spillways, these are overflow channels which can take surplus water during times of flood. The Bonnet Clarr´┐Ż Floodway begins 50km north of New Orleans. In times of flood it diverts excess water from the Mississippi along a 9km spillway, through 350 small bays (reservoirs) into Lake Pontchartrain, and eventually into the Gulf of Mexico. ...read more.

Conclusion

* Flood control, divide the land into compartments and control water flow through a system of channels by sluice gates and water pumps. In the dry season water can be moved to areas requiring irrigation. Before monsoon water would be drained away to allow for the floodwater. * Embankments complete and strengthen the embankments along all main river channels to a height of up to 7m. More than 7,000km of embankment is already in place but repairs, heightening and new building would cost. This scheme should prevent serious flooding from river overflow. So both M.E.D.C's and L.E.D.C's have schemes implemented to prevent floods, the major difference is that M.E.D.C's spend millions and get new technology and better construction materials which prove to be a better defence saving lives and property. L.E.D.C's on the other hand must rely on local materials and less budget spent on them which means less reliable defence unfortunately. But with aid from M.E.D.C's in times of crisis, L.E.D.C's will be able to cope fairly well depending on how quickly the aid is sent. ?? ?? ?? ?? Kieran Gallagher - 1 - ...read more.

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