Articles | Volume 24, issue 6
https://doi.org/10.5194/nhess-24-2191-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.Special issue:
Catchment-scale assessment of drought impact on environmental flow in the Indus Basin, Pakistan
Model code and software
Package "spei". Calculation of the Standardised Precipitation-Evapotranspiration Index https://github.com/sbegueria/SPEI