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Chapter 8 - Soil Temperature - LAWR

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SSC 107, Fall 2001 – <strong>Chapter</strong> 8 Page 8-10<br />

λ e<br />

C K T<br />

θ θ θ<br />

Also, see Fig. 5.10 and 5.11 in Jury et al., 1991 book.<br />

Thermal conductivities for several materials<br />

dry soil 1.5 x 10 -3 cal<br />

cm sec ° K<br />

H 2 O 1.4 x 10 -3 "<br />

air 6 x 10 -5 "<br />

copper 0.918 "<br />

steel 0.108 "<br />

cardboard 5 x 10 -4 "<br />

glass 1.7 x 10 -3 "<br />

quartz 26.3 x 10 -3 "<br />

clay minerals 8.7 x 10 -3 "

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