hydpar_wessolek_mvg: Mualem - van Genuchten Parameters from Wessolek et al. 2009,...

Description Usage Arguments Value References

View source: R/ptf_wessolek_mvg.R

Description

Derives the MVG Parameters ThetaR, ThetaS, Alpha, n, Tort and Ksat from KA5 soil texture classes

Usage

1

Arguments

tex.KA5

A character vector with soil texture values according to KA5

Value

A data.frame with the number of rows equal to length(tex.KA5) The data.frame contains the following variables:

tex.KA5

soil texture according to KA5

thr

Residual water content fraction

ths

Saturation water content fraction

alpha

Alpha parameter of van Genuchten water retention function, m-1

npar

N parameter of van Genuchten water retention parameter

mpar

M parameter of van Genuchten water retention parameter

tort

Tortuosity parameter of Mualem hydraulic conductivity function

ksat

Saturated hyraulic conductivity parameter of Mualem hydraulic conductivity function, mm d-1

References

Wessolek, Kaupenjohann and Renger (2009) Bodenphysikalische Kennwerte und Berechnungsverfahren f?r die Praxis. Boden?kologie und Bodengenese 40, Berlin, Germany (Table No. 10)


pschmidtwalter/brook90r documentation built on Sept. 26, 2018, 5:17 p.m.