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 número54GEOMORFOLOGÍA DEL ÁREA DE PUTRE, ANDES DEL NORTE DE CHILE: ACCIÓN VOLCÁNICA Y CLIMÁTICA EN SU MODELADOANÁLISIS DE LAS TEMPERATURAS MEDIAS Y SUS EXTREMOS A PARTIR DE DIFERENTES ÍNDICES DURANTE EL PERÍODO 1966-2015 EN EL NORTE GRANDE CHILENO índice de autoresíndice de materiabúsqueda de artículos
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Diálogo andino

versión On-line ISSN 0719-2681

Resumen

MENDONCA, Magaly. THE SOUTH AMERICAN MONSOON: INTEGRATION OF BOTH AMAZONIO AND ALTIPLANO CIRCULATIONS AND CLIMATIC VARIABILITIES OF THE CHILEAN ANDEAN PLATEAU. Diálogo Andino [online]. 2017, n.54, pp.21-30. ISSN 0719-2681.  http://dx.doi.org/10.4067/S0719-26812017000300021.

This article presents an analysis of the integration of the Amazonian and altiplanic circulation that links the center of the South American continent with the central Andes, based on the consideration of monthly and annual precipitation data. Under certain atmospheric conditions, Amazonian air masses can reach the plateau bordering the Atacama Desert in the east, responding to the factors that activate the action of the Amazonian or South American Monsoon in the summer months: thermal convection, position of the High of Bolivia, displacement of the Subtropical Jet Stream, behavior of the Lower Chaco, all significantly coupled with ENSO events, Pacific Decadal Oscillation and Antarctic Convergence. The geographic relationships that are observed require an integrated spatial analysis of the South American region that surpasses the fictitious national divisions of climates, replacing it with analyzes that contribute to its prediction and improvement of the quality of life of the inhabitants facing climate variabilities and changess.

Palabras clave : South American Monsoon; rainfall variability; atmospheric circulation.

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