Pearson’s coefficients of correlation and the
“Student-t” statistical test are presented in Table 2 for
variables related to rainfall erosive events. Previous studies
in Brazil relating a statistical coefficient such as Pearson’s
coefficient between annual rainfall erosivity and ENSO
indicators are very rare. Lü et al. (2011), in studying monthly
rainfall and mean discharge in the headwater region of the
Yellow River, China, adopted monthly values of SST as
ENSO indicators and found significant correlations.
D’Odorico et al. (2001), in the south-west US, found a
significant coefficient of correlation between SST > 0 and
rainfall erosivity, using a similar methodology to Lü et al.
(2011).
Pearson’s coefficients of correlation and the“Student-t” statistical test are presented in Table 2 forvariables related to rainfall erosive events. Previous studiesin Brazil relating a statistical coefficient such as Pearson’scoefficient between annual rainfall erosivity and ENSOindicators are very rare. Lü et al. (2011), in studying monthlyrainfall and mean discharge in the headwater region of theYellow River, China, adopted monthly values of SST asENSO indicators and found significant correlations.D’Odorico et al. (2001), in the south-west US, found asignificant coefficient of correlation between SST > 0 andrainfall erosivity, using a similar methodology to Lü et al.(2011).
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