Fundamentals of Soil PhysicsElsevier Science, 1980 M07 28 - 413 pages This book is not, in any case, in total defiance of the Wise Old Man's admonition, for it is not an entirely new book. Rather, it is an outgrowth of a previous treatise, written a decade ago, entitled "Soil and Water: Physical Principles and Processes." Though that book was well enough received at the time, the passage of the years has inevitably made it necessary to either revise and update the same book, or to supplant it with a fresh approach in the form of a new book which might incorporate still-pertient aspects of its predecessor without necessarily being limited to the older book's format or point of view. |
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Page 65
Daniel Hillel. G. Specific Surface The specific surface of a soil material can variously be defined as the total surface area of particles per unit mass ( am ) , or per unit volume of particles ( a ) , or per unit bulk volume of the soil ...
Daniel Hillel. G. Specific Surface The specific surface of a soil material can variously be defined as the total surface area of particles per unit mass ( am ) , or per unit volume of particles ( a ) , or per unit bulk volume of the soil ...
Page 69
... specific surface of a sand composed of the following array of particle sizes : Average diameter : Percentage by mass ... specific surface ( 2.264 × 0.1 / 0.01 = 22.64 cm2 / gm ) . 4. Estimate the approximate specific surface ( m2 / gm ) ...
... specific surface of a sand composed of the following array of particle sizes : Average diameter : Percentage by mass ... specific surface ( 2.264 × 0.1 / 0.01 = 22.64 cm2 / gm ) . 4. Estimate the approximate specific surface ( m2 / gm ) ...
Page 412
... Specific heat of soil , 292 , 294 of water , 294 Specific surface , 65-68 , 86 , 181 Specific volume , 11 Specific water capacity , 152 , 205 , 206 Stability of aggregates , 108-111 Steady ( stationary ) state flow , 188 , 212 , 299 ...
... Specific heat of soil , 292 , 294 of water , 294 Specific surface , 65-68 , 86 , 181 Specific volume , 11 Specific water capacity , 152 , 205 , 206 Stability of aggregates , 108-111 Steady ( stationary ) state flow , 188 , 212 , 299 ...
Contents
The Task of Soil Physics | 3 |
StressStrain Relations and Soil Strength | 13 |
Properties of Water in Relation to Porous Media | 21 |
Copyright | |
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adsorbed adsorption aeration aggregates air-filled atmosphere bulk density calculated capillary cations clay cm³ coefficient compaction compression concentration constant contact angle convective curve Darcy's law decrease depends depth diameter diffusion dispersion distribution drainage effect energy equation equilibrium exchange flow fluid flux force fraction gm/cm³ gravitational heat hence hydration hydraulic conductivity hydraulic head hydrogen hydrogen bonds hydrostatic pressure increase ions irrigation kaolinite mass wetness matric suction measurement membrane method minerals montmorillonite neutrons obtain osmotic oxygen particles permeability phase pores porosity porous potential processes properties radius ratio relative root zone salt sample sand saturated shearing silt soil air soil moisture soil physics soil profile soil solution soil structure soil surface soil water soil wetness soil-water soil's solid specific surface stress swelling temperature tensiometer thermal tion tube unit unsaturated soil values vapor pressure velocity viscosity volume wetness volumetric wetness water content water molecules