How Human Activity Can Make Water Stress Worse

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  • Created by: Amy Brown
  • Created on: 04-06-14 20:12
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  • How human activity can make water stress worse
    • Abstraction
      • Removing water from rivers and ground water sources can cause issues that in some arid areas rainfall can never recharge these underground stores
      • The removal of fresh water from aquifers in coastal locations can lead to salt water incursion
    • Dams
      • Trapped sediments in resovoirs reduces the floodplain fertility and the flow of nutrients from rivers into seas
    • Fertilisers
      • Chemical fertilisers contaminate groundwater as well as river and water supplies. These add nutrients to the water leading to an increase in algae growth downstream
    • Industrial waste
    • Sewage Disposal
      • Sewage disposal in developing countries is expected to cause 135 million deaths by 2020
      • In the UK we add 1,400 million liters of sewage to our rivers daily although most of it has been treated
  • Sewage Disposal
    • Sewage disposal in developing countries is expected to cause 135 million deaths by 2020
    • In the UK we add 1,400 million liters of sewage to our rivers daily although most of it has been treated

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