Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52871#.VKtGksnQrzE Author(s) Oscar A. Frumento 1* , Vicente R. Barros 2 Affiliation(s) 1 Centro Nacional Patagónico CNP (CONICET), Puerto Madryn, Argentina . 2 Centro de Investigaciones del Mar y la Atmósfera CIMA (CONICET/UBA), Buenos Aires, Argentina . ABSTRACT Combined Empirical Orthogonal Function Analysis of low-level atmospheric circulation after filtering the synoptic scale was performed for the period 1981-2006 over Central and Southern South America. Modes with 40 and near 70 days frequency associated with swings in longitude of the South Pacific and South Atlantic Ocean heights were identified. Their ex...
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