An R-GUI for Spatial Analysis of Surface Runoff using the NRCS-CN Method

A Graphical user interface to calculate the rainfall-runoff relation using the Natural Resources Conservation Service - Curve Number method (NRCS-CN method) but include modifications by Hawkins et al., (2002) about the Initial Abstraction. This GUI follows the programming logic of a previously published software (Hernandez-Guzman et al., 2011). It is a raster-based GIS tool that outputs runoff estimates from Land use/land cover and hydrologic soil group maps. This package has already been published in Journal of Hydroinformatics (Hernandez-Guzman et al., 2021) but it is under constant development at the Institute about Natural Resources Research (INIRENA) from the Universidad Michoacana de San Nicolas de Hidalgo and represents a collaborative effort between the Hydro-Geomatic Lab (INIRENA) with the Environmental Management Lab (CIAD, A.C.).


Reference manual

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0.0.8 by Rafael Hernandez-Guzman, a month ago,

Browse source code at

Authors: Rafael Hernandez-Guzman [aut, cre] , Arturo Ruiz-Luna [aut]

Documentation:   PDF Manual  

GPL (>= 3) license

Imports raster, sp, rgdal

Depends on RGtk2

Suggests knitr, rmarkdown

See at CRAN