The Effect of Grain Size Distribution on the Entrainment of Interstitial Water into Overland Flow

by D. Payne, Univ of Kansas, Lawrence, United States,
A. Parr, Univ of Kansas, Lawrence, United States,
K. Janish, Univ of Kansas, Lawrence, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Non-point source pollution from agricultural runoff is an important environmental problem. This experimental study considers the effect of media heterogeneity on the entrainment of interstitial water into overland flow. The results are presented in the form of an empirical equation expressing the one-dimensional diffusion coefficient in terms of relevant flow and soil parameters.

Subject Headings: Grain (material) | Entrainment | Flow distribution | Overland flow | Water flow | Water pollution | Agricultural wastes | One-dimensional flow

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