Horizontal Infiltration Method for Determining Brooks-Corey Model Parameters
Quanjiu Wanga,
Robert Horton*,b and
Mingan Shaoc
a Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Building 917, 3 Datun Road, Anwai, Beijing 100101, China
b Dep. of Agronomy, Iowa State Univ., Ames, IA 50011
c State Key Lab. of Soil Erosion and Dryland Farming, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, 712100, China

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Fig. 1. Cumulative infiltration and infiltration rate versus wetting front distance for three numerical conditions: (a) and (d) are for numerical Soil 1, (b) and (e) are for numerical Soil 2, and (c) and (f) are for numerical Soil 3.
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Fig. 2. Wetting front distance squared versus time for three numerical conditions: (a) is for numerical Soil 1, (b) is for numerical Soil 2, and (c) is for numerical Soil 3.
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Fig. 3. Given and estimated water retention curves and hydraulic conductivity functions for three numerical conditions: (a) and (d) are for numerical Soil 1, (b) and (e) are for numerical Soil 2, and (c) and (f) are for numerical Soil 3.
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Fig. 4. Numerically calculated and assumed distributions of hd/h for three numerical soil conditions: (a) is for numerical Soil 1, (b) is for numerical Soil 2, and (c) is for numerical Soil 3.
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Copyright © 2002 by the Soil Science Society of America.