Description Usage Arguments Value References Examples
Derives the Mualem - van Genuchten parameters ThetaR, ThetaS, Alpha, n, Tort and Ksat from clay, silt, sand contents, bulk density, and organic carbon content values
1 | hydpar_puh2(clay, silt, sand, bd, oc.pct = 0.5)
|
clay |
clay mass percent |
silt |
silt mass percent |
sand |
sand mass percent |
bd |
bulk density in g cm-3 |
oc.pct |
organic carbon content in mass percent |
A data.frame with the number of rows equal to length(tex.KA5) The data.frame contains the following variables:
Saturation water content fraction
Residual water content fraction
N parameter of van Genuchten water retention function
M parameter of van Genuchten water retention function
Alpha parameter of van Genuchten water retention function, m-1
Saturated hyraulic conductivity parameter of Mualem hydraulic conductivity function, mm d-1
Tortuosity parameter of Mualem hydraulic conductivity function
Puhlmann H, von Wilpert K (2011) Testing and development of pedotransfer functions for water retention and hydraulic conductivity of forest soils. Wald?kologie, Landschaftsforschung und Naturschutz 12, pp. 61-71
1 | hydpar_puh2(20,20,60,1.5)
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