9th Class Social Science Specific Hazards and Mitigation Question Bank Short Answer Type Questions - Specific Hazards and Mitigation

  • question_answer
    Explain the main mitigation strategies to reduce the risk of floods.

    Answer:

    Mitigation strategies for floods : (a) Mapping of the flood plains : Identify risk zones in order to reduce risk in the area. (b) Land use control ; It will reduce danger of life and property when water inundates the flood plains and the coastal areas. No major development should be permitted in the areas subjected to flooding. In urban areas water holding areas can be created into ponds or lakes. (c) Construction of engineered structures ; Structures should be strong to withstand flood forces and seepage. Building should be constructed on elevated areas or on stilts. (d) Flood Control: It can be done by flood reduction which decreases the amount of run off water by reforestation, protecting vegetation. Dams can store water. Flood Proofing reduces the risk of damage, e.g., use of sandbags to keep flood water away.


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