Brook                   Brook-Corey water retention model
Campbel                 Campbell water retention model
Dstart                  Determine starting values for nonlinear
                        parameter estimation in the water retention
                        models
Expo                    Exponential water retention model
MB                      McKee and Bumb water retention model
Ruso                    A Russo water retention model
SSfredlund              A Fredlund-Xing water retention model
SSgampt                 A Green-Ampt water infiltration model
SSgard                  'Gardner' Water Retention Model for Grouped
                        Data
SSgardner               A Gardner water retention model
SShorton                A Horton water infiltration model
SSkosugi                A Kosugi water retention model
SSomuto                 'Omuto' Water Retention Model
SSphilip                A Philip's water infiltration model
SSvgm                   A five-parameter van Genuchten water retention
                        model
SSvgm4                  A four-parameter van Genuchten water retention
                        model
Tani                    A Tani water retention model
infilt                  Water infiltration characteristics data
isric                   Water Retention World Dataset from ISRIC
