Intermittent Infiltration into Soils with Hysteresis

by Hassan Ali Ibrahim,
Wilfried Brutsaert,

Serial Information: Journal of the Hydraulics Division, 1968, Vol. 94, Issue 1, Pg. 113-138

Document Type: Journal Paper


A method is presented to solve the differential equation describing vertical flow in partly saturated soils. A high-speed digital computer was used to obtain solutions for different initial and boundary conditions representing alternating infiltration and drainage cycles in the absence of evaporation in a uniform soil of infinite depth with a uniform initial moisture content. The hysteresis in the moisture-suction relationship was taken into account by means of the concept of independent domain, and its effect was studied.

Subject Headings: Soil water | Hysteresis | Saturated soils | Computing in civil engineering | Boundary conditions | Infiltration | Drainage | Evaporation

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