sao paulo

  • Created by: laura011
  • Created on: 26-03-19 10:49
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  • Sao Paulo
    • causes
      • human
        • rising mc population
          • higher demand for electricity, water, sanitation
        • rapid urbanisation
        • water insecurity
          • pollutes basins/ reservoirs
            • favelas, no sewage or solid waste collection
          • 37% of water lost to leaks and theft
      • physical
        • el nino
        • deforestation in the amazon
          • their economic growth was fuelled by exploitation of minerals and timber
          • trees release billions of l of water vapour into atmosphere through evapotranspiration
            • 'flying river' flow south and provide provide seasonal rainfall over brazil
    • management
      • energy/water rationing
        • tariffs imposed on people who used more water
      • public awareness campaign
        • 20% decrease in water consumption = discount
    • impacts
      • 70% of brazils electricity is HEP
        • blackouts
  • yield fell by 40%
    • ethanol is a by product - biofuel
  • buy electricity from Argentina
    • 70% of brazils electricity is HEP
      • blackouts
  • political parties promised to reduce water rationing but not viable
    • 2014 election
      • impacts
    • high pressure systems diverted rain bearing winds north
      • physical
        • el nino
        • deforestation in the amazon
          • their economic growth was fuelled by exploitation of minerals and timber
          • trees release billions of l of water vapour into atmosphere through evapotranspiration
            • 'flying river' flow south and provide provide seasonal rainfall over brazil
    • relies on blue water as ground water is saline
      • fresh waster aquifers only in sedimentary basins in coastal regions
      • Australia
        • more developed than brazil
          • had a large mc for longer
      • climate change reducing precipitation
    • warming and drying climate is increasing temperature
      • changing rainfall patterns across Australia
        • access to water in even less secure
      • Australia
        • more developed than brazil
          • had a large mc for longer

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