Abstract
This paper reviews analytical solutions for steady state seepage of groundwater in an ideal sloping unconfined aquifer, recharged by an effective infiltration, when the unsaturated seepage is neglected. Available solutions are examined and compared. Their robustness is assessed with a finite element code, which solves the complete equations for saturated and unsaturated flow, thus making none of the simplifying assumptions of the theoretical solutions. An example is provided for a sloping aquifer on the north shore of the Saint-Lawrence River.
Résumé
L’article fait la revue des solutions analytiques pour l’écoulement souterrain permanent dans un aquifère incliné à nappe libre, rechargé par infiltration efficace, quand l’écoulement non saturé est négligé. Les solutions disponibles sont examinées et comparées. Leur robustesse est évaluée à l’aide d’un code d’éléments fins, qui résout les équations complètes des écoulements saturé et non saturé, et qui donc ne fait aucune des hypothèses simplificatrices des solutions théoriques. Un exemple est fourni pour un aquifère incliné sur la rive nord du Saint-Laurent.
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Acknowledgments
These studies were subsidized by the Natural Sciences and Engineering Council of Canada. The author thanks John Molson and Richard Darling for reading and commenting on the manuscript.
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Chapuis, R.P. Steady state groundwater seepage in sloping unconfined aquifers. Bull Eng Geol Environ 70, 89–99 (2011). https://doi.org/10.1007/s10064-010-0282-2
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DOI: https://doi.org/10.1007/s10064-010-0282-2