Tension‐saturated and unsaturated flows from line sources in subsurface irrigation: Riesenkampf's and Philip's solutions revisited

Riesenkampf's (1938), R‐38 (referred to here as R‐38), analytical solution for steady 2‐D flow from a buried line source in a homogeneous Green‐Ampt soil, with a wetting plume bounded by a free surface (capillary fringe), is compared with Philip's (1969), (P‐69), one for genuinely unsatura...

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Veröffentlicht in:	Water resources research 2016-03, Vol.52 (3), p.1866-1880
Hauptverfasser:	Kacimov, A. R., Obnosov, Yu. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	ADE for Kirchhoff's potential Brackish Capillarity complex potential Computer algebra Conductivity Contours Fields Flow nets flow net‐isobars‐isotachs‐isochrones Free surfaces Green-Ampt model Groundwater table Height Hydraulic conductivity Hydraulics Irrigation Isobars Length pipe discharge Pipes Pore water Pressure Routines Shape Soil Soil mapping Soils sorptive number versus air‐entrance pressure Subsurface irrigation Tension Two dimensional flow Unsaturated flow Velocity Visualization Water Water table Wetting Zhukovsky function
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