spei6 {ClimInd}

Standardised Precipitation-Evapotranspiration Index 6

Description

Standardized precipitation-evapotranspiration index calculated at 6-month time scale

Usage

spei6(eto, pr, data_names = NULL, na.rm = FALSE, ...)

Arguments

eto

evapotranspiration, mm

pr

daily precipitation, mm

data_names

names of each period of time

na.rm

logical. Should missing values (including NaN) be removed?

...

further arguments passed to or from other methods

Value

index value

References

Vicente-Serrano, S. M., Beguería, S. and López-Moreno, J. I.: A multiscalar drought index sensitive to global warming: The standardized precipitation evapotranspiration index, J. Clim., 23(7), doi: 10.1175/2009JCLI2909.1, 2010.

Examples

data(data_all)
spei6(eto = data_all$eto, pr = data_all$rr)