El Nino Southern Oscillation

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  • Created by: Heather
  • Created on: 12-11-13 12:21

El Nino Southern Oscillation.

El Nino Southern Oscillation (ENSO) affects the climate and environment, therefore also has social impacts in a country, both positively and negatively. El Nino is a unexplained occurrence in the Pacific Ocean between South America and Australia. It affects the weather patterns between these countries, switching from one extreme to the next.

El Nino events (in particular to the strong El Niño events of 1982–83 and 1997–98) have been connected to impacts on almost every aspect of human life: disease outbreaks, low and high agricultural yields, natural disasters, availability of water resources, energy demand, disruption to hydropower generation, price fluctuations, fishery catch fluctuations, animal movements, forest fires, the economic well-being of nations, and many others. At most ENSO may be responsible for about 50% of seasonal climate variability in some regions, but in most regions of the world its influence is much smaller or even non-existent

The impact of the 1997/8 El Niño has been felt in many parts of the world: Droughts have occurred in the Western Pacific Islands and Indonesia as well as


Mr A Gibson


Specific to El Nino, this contains loads of facts and if you read through and learn it - then "Test Yourself" you'll be well prepared on the subject.

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