Mississipi Floods of 1993 A set of cards covering the causes, effects and management 2.0 / 5 based on 1 rating ? GeographyWater and riversGCSE Created by: HelenaCreated on: 01-06-09 10:03 Causes (physical and human) Physical Heavy snows in the previous winter melted and the water flowed into the Mississipi and it's tributaries Very heavy rain and violent storms had happened for 50 days before the floods Human Sandbags were removed from levées upstream 1 of 3 Effects $20 billion costs estimated 28 people died 36 000 left homeless 6 million acres of farmland flooded electricity, roads and railways were cut off for a significant length of time 2 of 3 Management (short term and long term) Short term Sandbags were added to levées to strengthen them Long term Meanders were cut off to straighten the river and enable faster flow Levées were extended Revertments were installed The river was dredged to increase the cross sectional area of the channel 3 of 3
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