Soil Thermal Conductivity
Effects of Density, Moisture, Salt Concentration, and Organic Matter
Nidal H. Abu-Hamdeha and
Randall C. Reederb
a Agric. Engineering and Technol. Dep., Jordan Univ. of Science and Technology, P.O. Box 3030, Irbid, Jordan
b The Ohio State Univ., Agric. Engineering Bldg., RM 228C, 590 Woody Hayes Dr., Columbus, OH 43210-1057 USA

View larger version (17K):
[in a new window]
|
Fig. 1 Schematic diagram of the experimental apparatus
|
|

View larger version (16K):
[in a new window]
|
Fig. 2 Wire temperature as a function of lnt during heating for sandy loam at moisture content of 6.1% and different soil densities
|
|

View larger version (14K):
[in a new window]
|
Fig. 3 Thermal conductivity as a function of soil density for sand at three different moisture contents (1.4, 2.5, 3.3%)
|
|

View larger version (13K):
[in a new window]
|
Fig. 4 Thermal conductivity as a function of soil density for clay loam at three different moisture contents ( 9.3, 14.2, 18.3%)
|
|

View larger version (15K):
[in a new window]
|
Fig. 5 Thermal conductivity as a function of soil density for sandy loam at four moisture contents (6.1, 9.4, 12.1, and 16.0%)
|
|

View larger version (13K):
[in a new window]
|
Fig. 6 Thermal conductivity as a function of soil density for loam at three moisture contents (7.7, 17.5, and 21.2%)
|
|

View larger version (15K):
[in a new window]
|
Fig. 7 Soil thermal conductivity of sand as a function of concentrations of both NaCl and CaCl2 solutions
|
|

View larger version (15K):
[in a new window]
|
Fig. 8 Soil thermal conductivity of clay loam as a function of concentrations of both NaCl and CaCl2 solutions
|
|

View larger version (10K):
[in a new window]
|
Fig. 9 Soil thermal conductivity of clay loam as a function of organic matter content
|
|
Copyright © 2000 by the Soil Science Society of America.