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Estimated growth factors as a function of return period, with inputs of Lcv & LSkew (linear coefficient of variation & linear skewness)
GumbelGF(lcv, RP)
Gumbel estimated growth factor
linear coefficient of variation
return period
Anthony Hammond
Growth factors are calculated by the method outlined in the Flood Estimation Handbook, volume 3, 1999.
#Estimate the 50-year growth factors from an Lcv of 0.17. GumbelGF(0.17, RP = 50)
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