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floods

impact and causes and understanding of floods

vaishnavikota321
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floods

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  1. Understanding the Causes and Consequences of Floods

  2. floods :- Floods are the most frequent type of natural disaster and occur when an overflow of water submerges land that is usually dry. Floods are often caused by heavy rainfall, rapid snowmelt or a storm surge from a tropical cyclone or tsunami in coastal areas.

  3. What causes floods? • Rain is usually a flood’s main cause. • If the country is near the coast, lies low above sea level or on a flood plain or delta, it will have heavy rains that may cause flood.

  4. What effects does it have? Its effects can be • Immediate • Short-term • Long-term

  5. Immediate: Loss of lives from the force of the flood water. Destruction of property. Destruction of crops, plants, trees, and livestock.

  6. Short-term: People are made homeless. Shortage of food and safe drinking water. Problems of moving.

  7. Long-term: Rebuilding, repairing, restoring and replacing houses, bridges, railway lines and essential public services like water and sewerage.

  8. What can be done? • Constructing dams to store water • Constructing reservoirs so that water can be stored and then later used for agriculture if desired.

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