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Write a short note: Flash floods - Geography

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Question

Write a short note:

Flash floods 

Short Note

Solution

  1. A flash flood is a term that describes floods, which is usually observed in low-lying areas.
  2. Floods are caused due to extremely heavy rainfall.
  3. Flash floods generally occur after the collapse of natural ice, debris dam or a man-made dam, etc.
  4. Flash floods also occur due to very high precipitation in one day (Mumbai in 2005, Kedarnath in 2013) or because of changed weather conditions like cyclones (Chennai, 2015).
  5. Flash floods are different from regular floods by having a time scale of fewer than six hours between rainfall and the onset of flooding.
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Chapter 5: Global Climate Change - Exercise [Page 67]

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Balbharati Geography (Social Science) [English] 11 Standard
Chapter 5 Global Climate Change
Exercise | Q 4.2 | Page 67
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