Entrainment of Interstitial Water by Overland Flow

by A. David Parr, Univ of Kansas, Dep of Civil, Engineering, Lawrence, KS, USA,
Clint Richardson, Univ of Kansas, Dep of Civil, Engineering, Lawrence, KS, USA,
Dennis D. Lane, Univ of Kansas, Dep of Civil, Engineering, Lawrence, KS, USA,
Diane Baughman, Univ of Kansas, Dep of Civil, Engineering, Lawrence, KS, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract: The paper reports on a study to investigate the entrainment of interstitial soil water by overland flow. A diffusion model was developed to describe the subsurface concentration and the mass loss rate from a soil initially saturated with a conservative pollutant of constant concentration. The coefficients of diffusion and entrainment in the model were assumed to be functions of overland flow parameters as well as soil characteristics. A series of laboratory experiments was performed to test the model.

Subject Headings: Overland flow | Entrainment | Soil water | Water flow | Diffusion (porous media) | Subsurface flow | Groundwater pollution

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