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Water transfer ap

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Water transfer ap

  1. 1. How are rivers managed to provide our water supply?
  2. 2. Sustainability • Definition: • Meeting the needs of the present generation whiteout compromising the ability of future generations to meet their own needs.
  3. 3. Where do people live and where does it rain?
  4. 4. Is there a relationship between these two maps? Population density Annual Precipitation
  5. 5. Why is there an increasing demand for water in the UK ? • More people living in the UK, over 60M • Increased desire for time saving goods with more affluent lifestyle • Buying foodstuffs out of season requires more water use in agriculture • p120 LO: How are rivers managed to provide our water supply?
  6. 6. Key Words • Deficit – shortfall, not enough • Surplus – excess, spare, more than needed. • Water deficit or surplus? • Water stress is when the amount of water available doesn’t match that which is required. LO: How are rivers managed to provide our water supply?
  7. 7. How can water be saved at home? 1. Low flush toilet or Hippo. (from 1.30) 2. Shorten your shower. 3. Turn water off when brushing teeth. 4. Turn off water when washing up. 5. Run full loads in the washing machine and dish washer. 6. Keep cool bottle of water in fridge, saves running tap to get cold water. 7. Water the garden in cool parts of the day. 8. Collect rain water in butts. 9. Wash your car on the lawn! LO: How are rivers managed to provide our water supply?
  8. 8. Areas of deficit and surplus – water transfers • How can demand be met? – Transfer from wet west to dry east. – Some transfer pipes can be expensive and leak and transfers via rivers is more efficient option. – Proposed Severn to Thames transfer would increase London's water supply by a valuable 20%. Problems of cost (100’s of millions), different species in rivers and loss of land in Wales. LO: How are rivers managed to provide our water supply?
  9. 9. Sustainable management and use of water • Local schemes offer a sustainable way forward, not large scale water transfer schemes. • Water meters, conservation schemes (hippos, low flush toilets, etc.), repairing broken pipes and hosepipe bans in droughts can all reduce usage. • Water meters in Kent LO: How are rivers managed to provide our water supply?

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