Steady infiltration from buried point sources and surface point sources is analyzed. The partial differential equations for the matric flux potential and the Stokes' stream function associated with axially symmetric flows are derived. The discussion is based on the assumption that the hydraulic conductivity is an exponential function of the pressure head. Explicit expressions for the matric flux potential, the Stokes' stream function, the flux, the pressure head, and the total head are obtained. Some features of the solutions for buried point sources, surface point sources, and gravity‐free flows are compared. Related upward flows for which the soil becomes saturated everywhere are discussed briefly.
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P. A. C. Raats (1971) studied this question.