1. What is 'lag time'?

  • Difference between the rising limb and the falling limb
  • The time from when rainfall starts to when it ends
  • The time between peak rainfall & peak discharge
  • The time taken for the discharge to go back to base flow level
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Other questions in this quiz

2. The bouncing movement of rocks along the river bed is known as what?

  • Saltation
  • Traction
  • Suspension
  • Solution

3. What type of flow occurs around the meanders of a river?

  • Slow Flow
  • Reduced Flow
  • Helicoidal Flow
  • Turbulent Flow

4. On which river was the 3 Gorges Dam?

  • Yangtze
  • Yi
  • Thames
  • Portualio

5. Which of these is a negative social impact of the 3 Gorges Dam?

  • Increased likelihood of landslides
  • 1.2 Million people resettled
  • Amount of sediment deposited fell by over 50%
  • Costed £25 billion


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