Floods: Types and Causes

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Across
  1. 4. The rainfall ___________ refers to the amount of time of the rain event
  2. 8. Seasonal ____________ or monsoons can result in high rainfall and hence flooding
  3. 10. A storm surge is a sudden rise of the sea level in which water is piled up against a coastline beyond normal ______________ conditions and causes flooding
  4. 11. The failure of man-made structures such as _________, levees and floodwalls can result in floods
  5. 12. 1-in-50-year storm in England in June 2012 is an example of a rainfall _______________
  6. 14. _______________ occurs when increasing temperatures cause snow to melt in temperate countries
Down
  1. 1. A _______________ flood occurs when water in the river rises and overflows its banks
  2. 2. Rainfall ____________ is the rate at which rain falls, measured in millimetres per hour (mm/h)
  3. 3. A ____________ flood can be recognised by its quick rise in water level
  4. 5. Snowmelt is the surface __________ which increases the volume of water in rivers and oceans, causing flooding
  5. 6. A flood is when there are _____________ of large amounts of water onto land
  6. 7. ______________ floods occur in areas along the coast (especially low-lying coastal land, such as river mouths)
  7. 9. There are ___________ types of floods
  8. 13. Floods become a hazard when they _____________ property and cause the loss of lives
  9. 14. A flash flood takes place suddenly and lasts for a ___________ period of time