Soil Physical Analysis

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Documentation for package ‘soilphysics’ version 3.0

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soilphysics-package Soil Physical Analysis
bulkDensity Soil Bulk Density Data Set
compaction Soil Compaction Data Set
criticalmoisture Critical Moisture and Maximum Bulk Density
fitbusscher Self-starting Nls Busscher's (1990) Model for Soil Penetration Resistance
fitlbc Parameter Estimation of the Load Bearing Capacity Model
fitsoilwater Interactive Estimation of van Genuchten's (1980) Model Parameters
fitsoilwater2 Interactive Estimation of the Groenevelt and Grant (2004) Model Parameters
fitsoilwater3 Interactive Estimation of the Dexter's (2008) Model Parameters
fitsoilwater4 Self-starting Nls Power Models for Soil Water Retention
fitsoilwater5 Interactive Estimation of the Modified van Genuchten's Model Parameters
fun2form Converting Function to Formula
getInitiallbc Get Initial Parameter Estimates for the Load Bearing Capacity Model
hemc High-Energy-Moisture-Characteristics Aggregate Stability
hydraulicCutOff Pore Water Suction at the Point of Hydraulic Cut-Off
iwc Integral Water Capacity (IWC)
liquidlimit Soil Liquid Limit
llwr Least Limiting Water Range (LLWR)
maxbulkdensity Critical Moisture and Maximum Bulk Density
maxcurv Maximum Curvature Point
plotCIsigmaP Percentile Confidence Intervals for Simulated Preconsolidation Stress
Rsq Multiple R-squared
sigmaP Preconsolidation Stress
simSigmaP Simulating Preconsolidation Stress
Sindex The S Index
skp1994 LLWR Data Set
soilphysics Soil Physical Analysis
soilwater Soil Water Retention, based on the van Genuchten's (1980) formula
soilwater2 Soil Water Retention, based on the Groenevelt & Grant (2004) formula
soilwater3 Soil Water Retention, based on the Dexter's (2008) formula
soilwater4 Soil Water Retention, based on Power Models
soilwater5 Soil Water Retention, based on the modified van Genuchten's formula
SSlbc Self-Starting Nls Load Bearing Capacity Model
voidratio Void Ratio