dB_fitVanGenuchten: Fit soil water retention curve to observed data

Description Usage Arguments Value

View source: R/dB_fitVanGenuchten.R

Description

Fit soil water retention curve (van Genuchten model) to observed data "L-BFGS-B" method in optim function

Usage

1
dB_fitVanGenuchten(data, par0, theta_res, theta_sat)

Arguments

data

observed data matrix, first column soil water content in m<c2><b3>/m<c2><b3>, second column soil water pressure head in hPa (cm water column)

par0

named vector, containing starting value for van Genuchten parameters alpha and n

theta_res

residual water content

theta_sat

saturated water content

Value

see ?optim value paragraph


JBrenn/DataBaseAlpEnvEURAC documentation built on June 23, 2017, 11:31 p.m.