Climate Change and the Water Cycle

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  • Climate Change and  the Water Cycle
    • climate change inputs and outputs
      • precipitation - tropical storms due to sea surface temp increase, more rainfall, more flood risk - can also reduce precipitation in some areas
      • evaporation - increase and decrease in temperature in different regions will see different trends in evaporation
    • climate change stores and flows
      • snow and glaciers - increase in melting, ice is breaking off and not reforming
      • reservoirs and lakes - not being recharge due to increase in rain
        • Lake Chad - drying up impacting ecosystem and residents who rely on its water
          • was the 3rd largest water source in Africa but is 1/20 of the size it was 40 years ago
      • permafrost - when it thaws in summer , percolation and throughflow allows water to leave the ecosystem
      • soils - different soils will be affected differently - generally soil moisture will be lost as less water will infiltrate the soil

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