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Inicio  /  Atmósfera  /  Vol: 14 Núm: 2 Par: 0 (2001)  /  Artículo
ARTÍCULO
TITULO

Looking for periodicities in the hail intensity in the Andes region

R. PRIETO    
R. HERRERA    
P. DOUSSEL    
L. GIMENO    
P. RIBERA    
R. GARCÍA    
E. HERNÁNDEZ    

Resumen

Documental sources and categorization techniques were used to construct a series of the annual hail intensity in Mendoza area (Argentina). When the temporal series by means of Singular Spectrum Analysis (SSA) and the Maximum Entropy Method (MEM) was analyzed, we found interdecadal oscillations of periods of about 20 years and interannual oscillations of about 4 and 9 years. In addition when detrented-data were used a low frequency oscillation of about 72 years also appears.

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