Geographical Patterning of Interannual Rainfall Variability in the Tropics and Near Tropics: An L-Moments Approach

  title={Geographical Patterning of Interannual Rainfall Variability in the Tropics and Near Tropics: An L-Moments Approach},
  author={Robert Earl Dewar and James R. Wallis},
  journal={Journal of Climate},
Abstract Interannual rainfall variability has important effects for the evolution of biotic and human communities. Historical records of monthly rainfall totals for 1492 stations within 30° of the equator were analyzed using the method of L-moments. The 0.1 quantile (QU10), or the proportion of mean annual rainfall expected in the driest year in 10, was selected as the measure of variability. A nonlinear regression was fit to the relationship between QU10 and mean annual rainfall, and regions… Expand

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