Estimating soil water retention curve from particle-size distribution data based on polydisperse sphere systems

Soil hydraulic properties are necessary for understanding water and solute movement in subsurface vadose zone environments. Previous statistical models of soil hydraulic properties have postulated a pore-size distribution from the particle-size distribution by assuming an empirical relationship betw...

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Veröffentlicht in:	Vadose zone journal 2004-11, Vol.3 (4), p.1443-1454
Hauptverfasser:	Chan, T.P, Govindaraju, R.S
Format:	Artikel
Sprache:	eng
Schlagworte:	clastic sediments dispersivity fully penetrable spheres grain size homogeneous materials hydrodynamics Hydrogeology hydrology loamy sand loamy sand soils mathematical models moisture particle size distribution polydisperse materials pore size distribution porosity porous materials porous media probability probability density functions retention sand sandy soils scale factor sediments size distribution soil pore system soil water characteristic soil water retention soils statistical analysis totally impenetrable spheres unsaturated zone UNSODA water
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