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El Nino/La Nina - Essay Example
Author : fbechtelar
Pages 10 (2510 words)
Name: Tutor: Course: Date: University: The purpose of this study is to examine the interaction between the Ocean and the climate taking El Nino and La Nina phenomena as the areas of focus and lastly to evaluate the impacts of such phenomena on the society and environment in general…
The Pacific ocean water temperatures in the equatorial region is usually 29° c in the west and 23° c in the first three months before the start of the El Nino phenomena as was the case in 1997.The difference of 6-7° c between the east and the west in sea surface is a representation of the balance between the westwards blowing wind near the sea surfaces and the temperatures in the upper 300meters of the ocean from the deep waters. El Nino phenomena occurs after every 3-7 years(Barnabe and Regine,2000 p 30 ) and the surface temperatures in the western and eastern equatorial pacific ocean usually drops by I° c and rise by either 2 or 3° c. During the El Nino events in 1997-98,the sea surface temperatures in the eastern equatorial pacific increased by 5-6° c ,thus creating a uniform surface temperature in the regions lying along the equator and the entire band with of the pacific, that forms nearly the a half of the circumference of the earth. The El Nino phenomena are at its climax in the months of December. ...