Section_7Slides_v2

Section_7Slides_v2 - Figure 7.4.2(p 235(a Cross-section...

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Figure 7.4.2 (p. 235) ( a ) Cross-section through an unsaturated porous medium; ( b ) Control volume for development of the continuity equation in an unsaturated porous medium (from Chow et al. (1988)).
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Porous media defnitions [Note: Many are analogous to snow properties.] Soil matrix properties: particle density bulk density porosity ρ m = mass of mineral grains volume of mineral grains = M m V m ; typically m 2650 kg m -3 b = mass of mineral grains volume of soil = M m V s φ = n = θ s = volume of voids volume of soil = V void V s = 1 b m Water content variables: (only relevant For unsaturated zone) volumetric water content relative saturation = volume of water volume of soil = V w V s ; 0 s s = s ; 0 s 1
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[Note: Soil type/texture is used to identify soil hydraulic properties via tabulated relationships.]
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Sat. hydraulic
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This note was uploaded on 11/08/2010 for the course CEE 150 taught by Professor Margoolis during the Fall '10 term at UCLA.

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Section_7Slides_v2 - Figure 7.4.2(p 235(a Cross-section...

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