Solving the nonstationary Richards equation with adaptive hp-FEM

A Closed‐form Equation for Predicting the Hydraulic Conductivity of Unsaturated Soils

Martinus Th. van Genuchten · Soil Science Society of America Journal · 1980 · 27.4K citations

Agriculture, Earth Sciences, Soil Sciences +17

A new model for predicting the hydraulic conductivity of unsaturated porous media

Yechezkel Mualem · Water Resources Research · 1976 · 8.2K citations

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CAPILLARY CONDUCTION OF LIQUIDS THROUGH POROUS MEDIUMS

L. A. Richards · Physics · 1931 · 6.4K citations

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SOME STEADY-STATE SOLUTIONS OF THE UNSATURATED MOISTURE FLOW EQUATION WITH APPLICATION TO EVAPORATION FROM A WATER TABLE

W. R. Gardner · Soil Science · 1958 · 2.6K citations

Agriculture, Hydrology, Soil Sciences +14

A general mass‐conservative numerical solution for the unsaturated flow equation

Michael A. Celia, Efthimios T. Bouloutas, Rebecca Lynne Zarba · Water Resources Research · 1990 · 1.8K citations

Natural Resources, Geological Engineering, Hydrology +14