2017
DOI: 10.1590/0102-778632120150044
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Variabilidad de Baja Frecuencia de la Persistencia de la Temperatura en el Sudeste de Sudamérica

Abstract: Recebido em 21 de Abril de 2015 -Aceito em 3 de Junho de 2016 ResumenSe analizan las estructuras de las autocovarianzas y autocorrelaciones de las temperaturas máximas y mínimas en estaciones de referencia en el sudeste de Sudamérica. A través de estas propiedades se observa que existen oscilaciones de períodos entre 18 y 25 años en las series bajo estudio, aunque estas periodicidades presentan cambios con el tiempo, especialmente entre los años . La excepción es Río Gallegos donde la periodicidad de 18 años s… Show more

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“…Vargas and Naumann (2008) suggested that secular trends identified in the minimum and maximum temperature time series in eight station in southern South America are driven by the set of wet days. Naumann and Vargas (2017) showed that these time series contain also oscillations with periods varying from 18 to 25 years. They also showed that these periodicities vary over time, in particular during the 1950-1970 decades when higher variability predominated.…”
Section: Introductionmentioning
confidence: 99%
“…Vargas and Naumann (2008) suggested that secular trends identified in the minimum and maximum temperature time series in eight station in southern South America are driven by the set of wet days. Naumann and Vargas (2017) showed that these time series contain also oscillations with periods varying from 18 to 25 years. They also showed that these periodicities vary over time, in particular during the 1950-1970 decades when higher variability predominated.…”
Section: Introductionmentioning
confidence: 99%