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kiararosemann: 1 year ago

How does the Southern Oscillation Index indicate El Nino and La Nina periods

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lauraAT: 1 year ago

The southern oscillation index is determined by computing the monthly mean of sea level anomalities of the different regions that are prone to the El-Nino and la Nina weather patterns and combines it into one series. However, this mode of calculation is filled with a lot of inconsistencies. Visit http://www.cgd.ucar.edu/cas/catalog/climind/soi.html for more information.

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