spei: SPEI.

Description Details Author(s) References

View source: R/spei.R View source: R/spei.R


A set of functions for computing potential evapotranspiration and several widely used drought indices including the Standardized Precipitation-Evapotranspiration Index (SPEI).


Package: SPEI
Type: Package
Version: 1.4
Date: 2011-26-09
License: GPL version 2 or newer
LazyLoad: yes

Functions spei and spi are the workhorse of the SPEI library. Other functions such as kern, parglo.maxlik is an auxiliary low-level function and will not be used directly by the typical user. Functions for computing potential evapotranspiration are provided, too, for helping computing the SPEI. They are: thornthwaite, hargreaves and penman.


Santiago Beguería and Sergio M. Vicente-Serrano Maintainer: Santiago Beguería


S.M. Vicente-Serrano, S. Beguería, J.I. López-Moreno. 2010. A Multi-scalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index – SPEI. Journal of Climate 23: 1696, DOI: 10.1175/2009JCLI2909.1.


sbegueria/SPEI documentation built on March 22, 2018, 3:42 p.m.