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Q.

What is an El Nio (ENSO)?

Asked by anantharaman, 11 Jul '09 10:58 am
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Answers (3)

 
1.

El Nino-Southern Oscillation (ENSO) is an oscillation of the ocean-atmosphere system in the tropical Pacific having important consequences for weather around the globe.
Among these consequences are increased rainfall across the southern tier of the US and in Peru, which has caused destructive flooding, and drought in the West Pacific, sometimes associated with devastating brush fires in Australia. Observations of conditions in the tropical Pacific are considered essential for the prediction of short term (a few months to 1 year) climate variations. To provide necessary data, NOAA operates a network of buoys which measure temperature, currents and winds in the equatorial band. These buoys daily transmit data which are available to researchers and forecasters around the world in real time. In normal, non-El Nio conditions, the trade winds blow towards the west across the tropical Pacific. These winds pile up warm surface water in the west Pacific, so that the sea surface is about 1/2 me ...more
Answered by Tatya Hindicom, 11 Jul '09 04:11 pm

 
  
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2.

El Nio, a warming of equatorial waters in the Pacific Ocean that wreaks havoc with world weather conditions.
Answered by Mrinalendra Banerjee, 11 Jul '09 04:49 pm

 
  
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3.

Enviornment Nation Secular Organisation
Answered by Anand Agarwal, 11 Jul '09 11:06 am

 
  
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