Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/15595
Título: Sea surface temperature (SST) and rainfall erosivity in the Upper Grande River Basin, southeast Brazil
Título(s) alternativo(s): Temperatura da superfície do mar (TSM) e erosividade da chuva na bacia hidrográfica do Alto Rio Grande, sudeste do Brasil
Palavras-chave: El Niño Current – Rainfall – Correlation
Soil erosion
Rainfall erosive
Watershed – Higher Grand River, State of Minas Gerais, Brazil
El Niño (Corrente oceânica) – Chuvas – Correlação
Solos – Erosão
Precipitação pluvial – Erosividade
Bacia hidrográfica – Alto Rio Grande, MG
Data do documento: Jan-2012
Editor: Universidade Federal de Lavras
Citação: MELLO, C. R. et al. Sea surface temperature (SST) and rainfall erosivity in the Upper Grande River Basin, southeast Brazil. Ciência e Agrotecnologia, Lavras, v. 36, n. 1, p. 53-59, jan./fev. 2012.
Resumo: Relationships between regional climates and oceanic and atmospheric anomalies are important in understanding the rainfall regime of a given region. This work aimed to analyze rainfall erosivity in the Upper Grande River Basin, Southern Minas Gerais State, Brazil; namely the two most representative environments, the Mantiqueira Range (MR) and the Plateau of Campos das Vertentes (PCV). These areas can be affected by the El Niño Southern Oscillation (ENSO) phenomena, which can be evaluated by indicators such as Sea Surface Temperature (SST) for the Niño 3.4 Region. Rainfall erosivity was calculated for individual rainfall events from January, 2006 to December, 2010. Pearson's coefficient of correlation was used to evaluate the relationships between rainfall variables and SST. The coefficients of correlation were significant for both sub-regions. Correlations between the rainfall variables and negative oscillations of SST were also significant, especially in the MR sub-region, however, the Person's coefficients were lower than those obtained for the SST positive oscillations. These results demonstrate that El-Niño phenomenon can be considered an important factor in the intense rainfall behavior of the Upper Grande River Basin.
URI: repositorio.ufla.br/jspui/handle/1/15595
http://repositorio.ufla.br/jspui/handle/1/15595
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