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Rising limb Peak discharge Approach segment Storm flow Falling limb Base flow Peak rainfall Lag time Bankfull capacity Runoff/discharge (cumecs: m³/sec) Flood
Objective: explore the factors that influence flood hydrographs.
Objective: explore the factors that influence flood hydrographs.
Outcomes:
Outcomes:
Research the factors that affect storm hydrographs - which is the biggest influence on hydrograph shape, in your opinion? Table A2 startingin page 20 in the text book will help.
2. Describe the relationship shown on this graph;
Compare your answer to that on page 19 of the Geo textbook. Did you miss anything? How could you improve your answer? How can you avoid missing the things you missed in future?
3. Look at figures A.23 - A.28 (pages 19 - 23 in the textbook). Describe and explain what they show using bullet points.
4. You will be allocated a method for flood mitigation, pages 24-26 in the text book. You will need to summarise on a Slide in the file shared through and share it in a one minute presentation.
5. Working in pairs again, conduct some research to build two contrasting detailed examples of flood mitigation of drainage basins. Hint: conduct one each and share.... You can find your own but here are a couple of potential examples - Copenhagen, Denmark, or Nanchang, China
6. Can floods be successfully predicted? Provide evidence to support your answer.
PLENARY: splat!
PLENARY: splat!
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