El Nino Essay

El Nino Essay-37
Reduced rainfall over Indonesia lead to severe drought and forest fires across the country in the 1982-83 El Niño event, which means that fires now occur every year because the vegetation is so dry (Holden, J., 2012).Tropical storms in Chile and Peru caused heavy downpours and floods in the 1997-98 event, (Philander, G.The El Niño Southern Oscillation (ENSO) is a naturally occurring climate cycle and is the general term used to describe both warm and cold oceanatmosphere events in the tropical Pacific (Philander, G. El Niño and La Niña are extreme phases in the sequence and are highly important as they are examples of interannual climate variability on a global scale (Holden, J. Both of these extremes have similar physical characteristics as they both occur in the equatorial Pacific, however the major difference is temperature change when the event strikes.

Reduced rainfall over Indonesia lead to severe drought and forest fires across the country in the 1982-83 El Niño event, which means that fires now occur every year because the vegetation is so dry (Holden, J., 2012).

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Consequently rainfall is reduced over Indonesia and Malaysia, which often causes drought, but increased over the desert states of USA and northern Mexico, frequently causing flooding (Royal Netherlands Meteorological Institute, n.d.).

The average duration of the El Niño cycle is typically 12-18 2 As stated above, El Niño events generally occur every 3-4 years meaning that they have brought chaos to a lot of populations worldwide over the years.

Conclusion To conclude, the El Niño-Southern Oscillation is natural cycle that is present within the equatorial Pacific Ocean and affects many people lives that live within the vicinity.

El Niño and La Niña can have some disastrous effects on the livelihoods of those who get in the way of there destructive paths because, they cause contrasting weather conditions that the locations are not prepared for.

The effects that these events bring varies dramatically with the season and location (Met Office, 2012), however have all caused many deaths and economic losses over the years but hopefully with new prediction systems available, such as numerical models, these impacts should be reduced. (1969) Atmospheric teleconnections from the equatorial Pacific.

El Niño and La Niña are opposite phases of a natural climate pattern across the tropical Pacific Ocean that swings back and forth every 3-7 years on average.

During a La Niña event, the normal climate patterns of an area are enhanced.

For example, in areas that would normally experience a wet winter, e.g.

1998) which did cause some damage, however had some positive impacts also. (Ed) (2012) An Introduction to Physical Geography and the Environment. Met Office, 2012, El Niño, La Niña and the Southern Oscillation [online] Available at: National Aeronautics and Space Administration (NASA), 2009. Available through: [Accessed on 11th November 2014] Ross, T., Lott, Neal., Mx Cown, S., Quinn, D., 1998. [Online] National Climatic Data Centre Technical Report No.

Rice is one of the primary crops grown in Northern Peru and thrives on wet condition during the growing season, which meant that farmers yield in 199798 was very high and a lot of profit was made (National Weather Service, Climate Prediction Centre, 2005). La Niña Returns, NASA Watches Sea Surface Indicators [online] (last updated January 26th 2009) Available at: on: 15th November 2014] National Oceanic and Atmospheric Administration (NOAA), 1998.

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