human impacts of an el nino event

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  • Created by: -haleema
  • Created on: 10-11-16 12:06
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  • Human Impacts of an El Niño Event
    • Arrival of exotic fish
      • A few miles off San Diego, fishers reel in bluefin tuna and yellowtail, typically found in Mexico but now Southern California due to El Nino, meaning they can make good money
      • Appearance of Hammerhead sharks in waters off Californian coast affects people's safety
    • Many people may die in the extreme weather events
    • Properties are damaged due to storms and large coastal waves ($300 million of damage to property in San Francisco bay region in January 1982)
    • Heightened risk of vector-borne diseases and insect population explosion
      • In geographical areas where weather patterns are linked to the ENSO cycle and disease control is limited, there may be outbreaks of malaria and other mosquito-borne and rodent-borne diseases
        • But there's less disease in some areas due to drier weather, like Malaria in SE Africa
    • Droughts and crop failure means people's incomes are affected if they heavily rely on agriculture
      • Economic changes, such as the price of food
    • Pollution of viable water sources
      • Flooding and increased rainfall leads to contamination of drinking water systems
        • Salt water intrusion into water supplies due to rising sea levels, which can have an adverse effect on human health if consumed
      • increase in disease due to lack of water for sanitation and hygiene

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