Why do rivers flood ap 2012

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Why do rivers flood ap 2012

  1. 1. How high would the water get during a flood?
  2. 2. More here
  3. 3. Why do rivers flood? Watch this video and write down any causes
  4. 4. Why do rivers flood • Complete the dominoes cards • Now split them into human and physical factors.
  5. 5. Causes of river floods • Human – Deforestation – Urbanisation • Physical – Heavy rainfall – Long periods of rainfall – Snow Melting – Relief
  6. 6. Location and Increasing Frequency of UK Floods • Complete the hand out on Flood frequency in England and Wales • Turn to p112 in your text book.
  7. 7. Why are there so many more floods now? 1. Climate Change – The world is warming and scientist are now confident that the changes in weather are due to global warming. 2. Growing population. – We all need somewhere to live and more recently more homes have been built in marginal areas near rivers. – More and more impermeable surfaces as more ‘buildings’ develop. E.g. driveways

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