Multivariate analysis of the energy cycle of the South American rainy season.

The article presents a study which evaluates the energy cycle of South America during rainy seasons with the use of the multivariate Empirical Orthogonal Function (EOF) analysis. It states that precipitation during rainy seasons affect the economic activities of the country. The study also used the linear regression analysis and examined the consistency of physical processes. It concludes that the timing of tropical and extratropical circulations is fast which is said to be quite consistent.