Gumbel distribution growth factors

Estimated growth factors as a function of return period, with inputs of Lcv & LSkew (linear coefficient of variation & linear skewness)

Usage

GumbelGF(lcv, RP)

Arguments

lcv

linear coefficient of variation

RP

return period

Value

Gumbel estimated growth factor

Details

Growth factors are calculated by the method outlined in the Flood Estimation Handbook, volume 3, 1999.

Author

Anthony Hammond

Examples

# Estimate the 50-year growth factor from an Lcv of 0.17
GumbelGF(0.17, RP = 50)
#> [1] 1.914338