An exact explicit solution for one-dimensional, transient, nonlinear Richards‿equation for modeling infiltration with special hydraulic functions
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- 作者：Mohamed Hayek mohamed.hayek@gmail.com" class="auth_mail" title="E-mail the corresponding author mohamed.hayek@afconsult.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Richards&rsquo ; equation ; Infiltration ; Unsaturated zone ; Exact solution ; Parameter estimation
- 刊名：Journal of Hydrology
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：535
- 期：Complete
- 页码：662-670
- 全文大小：724 K
文摘
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An exact solution for transient Richards’ equation is presented.
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The model assumes exponential retention curve and power law hydraulic conductivity.
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Algebraic expressions of practical and theoretical importance are derived.
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It applies to infiltration through semi-infinite profile.
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It is useful for checking numerical schemes and estimating hydraulic parameters.