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SoilHyP (version 0.1.4)

Soil Hydraulic Properties

Description

Provides functions for (1) soil water retention (SWC) and unsaturated hydraulic conductivity (Ku) (van Genuchten-Mualem (vGM or vG) [1, 2], Peters-Durner-Iden (PDI) [3, 4, 5], Brooks and Corey (bc) [8]), (2) fitting of parameter for SWC and/or Ku using Shuffled Complex Evolution (SCE) optimisation and (3) calculation of soil hydraulic properties (Ku and soil water contents) based on the simplified evaporation method (SEM) [6, 7]. Main references: [1] van Genuchten (1980) , [2] Mualem (1976) , [3] Peters (2013) , [4] Iden and Durner (2013) , [5] Peters (2014) , [6] Wind G. P. (1966), [7] Peters and Durner (2008) and [8] Brooks and Corey (1964).

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Version

Install

install.packages('SoilHyP')

Monthly Downloads

289

Version

0.1.4

License

GPL (>= 2)

Maintainer

Ullrich Dettmann

Last Published

May 19th, 2020

Functions in SoilHyP (0.1.4)

SEM

Simplified evaporation method (SEM)
SWC

Soil water content
predict.fitSHP

Predict values using fitSHP object
NSE

Nash-Sutcliffe efficiency (NSE)
Sat_old

Capillary saturation function
dataTestthat

Dataset of soil hydraulic properties for testthat
read.kupf

Read Evaporation Experiment data from ku-pf Apparatur
Sad

Relative saturation function
Kfilm

Relative film conductivity
Scap

Rescaled capillary saturation function
Sat

Capillary saturation function
fitSHP

Fit soil hydraulic properties
plot.fitSHP

Plot fitSHP object
plot.dataSEM

Plot dataSEM
BIC_HY

Bayesian Information Criterion (BIC)
AIC_HY

Akaike Information Criterion (AIC)
RMSE

Root mean square error (RMSE)
SCEoptim

Shuffled Complex Evolution (SCE) optimisation.
dataSHP

Soil hydraulic property data
dataSEM

Evaporation experiment data
Ku

Unsaturated hydraulic conductivity
Kcap

Relative capillary conductivity