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| HAL: inria-00337535, version 1 |
| DOI: 10.1016/j.jhydrol.2006.02.019 |
| See detailed view |  BibTeX,EndNote,... |
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| Journal of Hydrology 329, 1-2 (2006) 258-273 |
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| A seepage face model for the interaction of shallow water tables with the ground surface: Application of the obstacle-type method |
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Héloïse Beaugendre 1, 2, 3, 4Alexandre Ern 3, 5 |
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| (2006) |
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| This paper presents a model to simulate overland flow genesis induced by shallow water table movements in hillslopes. Variably saturated subsurface flows are governed by the Richards equation discretized by continuous finite elements on unstructured meshes. An obstacle-type formulation is used to determine where saturation conditions, and thus seepage face conditions, are met at the ground surface. The impact of hillslope geometry, boundary conditions, and soil hydraulic parameters on model predictions is investigated on two-dimensional test cases at the metric and hectometric scales. The obstacle-type formulation is also compared with a more detailed model coupling subsurface and overland flow, the latter being described by the shallow water equations in the diffusive wave regime. |
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| 1: | Institut de Mathématiques de Bordeaux (IMB) |
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CNRS : UMR5251 – Université Sciences et Technologies - Bordeaux I – Université Victor Segalen - Bordeaux II |
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| 2: | MC2 (INRIA Bordeaux - Sud-Ouest) |
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INRIA – Université Sciences et Technologies - Bordeaux I – Université Victor Segalen - Bordeaux II – CNRS : UMR |
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| 3: | Centre d'Enseignement et de Recherche en Mathématiques, Informatique et Calcul Scientifique (CERMICS) |
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INRIA – Ecole des Ponts ParisTech |
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| 4: | ESTIME (INRIA Paris-Rocquencourt) |
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INRIA |
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| 5: | Centre d'Enseignement et de Recherche en Mathématiques et Calcul Scientifique (CERMICS) |
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Ecole des Ponts ParisTech |
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| 6: | Centre d'Enseignement et de Recherche Eau Ville Environnement (CEREVE) |
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Université Paris-Est Créteil Val-de-Marne (UPEC) – Ecole des Ponts ParisTech – Ecole Nationale du Génie Rural des Eaux et Forêts |
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| 7: | CEMAGREF |
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CEMAGREF |
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| Domain | : | Computer Science/Modeling and Simulation Life Sciences/Ecology, environment Physics/Mechanics/Mechanics of the fluids Engineering Sciences/Mechanics/Fluids mechanics |
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| Finite elements – Richards equation – Seepage face – Obstacle-type model – Water table ground interaction – Numerical solutions. |
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| Attached file list to this document: | |||||
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| inria-00337535, version 1 | |
| http://hal.inria.fr/inria-00337535 | |
| oai:hal.inria.fr:inria-00337535 | |
| From: Héloïse Beaugendre | |
| Submitted on: Friday, 14 November 2008 16:20:48 | |
| Updated on: Saturday, 15 November 2008 14:19:31 | |
