Volume Fraction of Solids
Thermal Cond. Of Solids (W/(mK)
Soil Temperature (C)
Soil Texture
sand
silt loam
clay
organic
Plot Type
Resistivity
Conductivity
Plot vs
VMC
MWC
Soil thermal conductivity computed from the model of:
Campbell, G. S., J. D. Jungbauer, Jr., W. R. Bidlake and R. D. Hungerford. 1994. Predicting the effect of temperature on soil thermal conductivity. Soil Science 158:307-313
VWC [m3/m3]
MWC [g/g]
rho [cm C/W]
k [W/(mK)]
0.000000
0.000
461.1
0.217
0.025000
0.019
433.4
0.231
0.050000
0.038
406.5
0.246
0.075000
0.057
376.0
0.266
0.100000
0.075
331.2
0.302
0.125000
0.094
269.7
0.371
0.150000
0.113
211.4
0.473
0.175000
0.132
171.0
0.585
0.200000
0.151
146.1
0.685
0.225000
0.170
130.8
0.764
0.250000
0.189
121.0
0.826
0.275000
0.208
114.3
0.875
0.300000
0.226
109.3
0.915
0.325000
0.245
105.2
0.950
0.350000
0.264
101.8
0.983
0.375000
0.283
98.6
1.014
0.400000
0.302
95.6
1.045
0.425000
0.321
92.8
1.077
0.450000
0.340
90.1
1.110
0.475000
0.358
87.5
1.143
0.500000
0.377
84.9
1.178