pfdata {HydroMe}R Documentation

Water retention data from the Upper Athi river basin in Eastern Kenya

Description

Part of water retention data obtained from a study of soil physical degradation in the Upper Athi river basin in Eastern Kenya

Usage

data(pfdata)

Format

A data frame with 2196 observations on the following 6 variables.

sample
a numeric vector of the number of rows in the data
Level
an ordered factor with levels for sampling points
Landuse
a factor with levels Agroforestry Cropland Forest Grassland Shrubland Thicket
x
a numeric vector of suction potential in cm
y
a numeric vector of moisture content in vol/vol
lnx
a numeric vector of logarithm of suction potential

Source

Omuto, C.T. 2006 Large-Area Soil Physical Degradation Assessment: The Use of GIS, Remote Sensing,and Infrared Spectroscopy in Arid and Semi-Arid Kenya PhD dissertation Nairobi: University of Nairobi

References

Omuto, C.T., Minasny, B., McBratney, A.B., Biamah, E.K., 2006 Nonlinear mixed effect modelling for improved estimation of water retention and infiltration parameters Journal of Hydrology, 330, 748-758

Examples

data(pfdata)
## maybe summary(pfdata) ; plot(pfdata) 

[Package HydroMe version 1.0 Index]