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Based on rotational empirical orthogonal function(REOF),max-entropy and Mexico-hatwavelet transform techniques,monthly SSTA of the tropical Pacific,Atlantic and Indian Oceans(32.5°S—32. 5°N)is investigated.It is shown that the inter-decadal variability and inter-annualvariability take on global scale,and there exist their own significance areas.Moreover,throughthe total time series,the intensity of the variabilities is time-variable.And in fact,both thevariabilities are usually coexistent.In significance areas of each of the variabilities,anothervariability is sometimes quite strong.
Based on rotational empirical orthogonal function (REOF), max-entropy and Mexico-hatwavelet transform techniques, monthly SSTA of the tropical Pacific, Atlantic and Indian Oceans (32.5 ° S-32. 5 ° N) is investigated. inter-decadal variability and inter-annual variance take on global scale, and there exist their own significance areas. Moreover, the total time series, the intensity of the variabilities is time-variable. And in in, both the variabilities are usually coexistent. areas of each of the variabilities, another variability is sometimes quite strong.