On the Coupling Between Channel Level and Surface Ground-Water Flows



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Díaz Díaz, Jesús Ildefonso and Antontsev, S.N. (2008) On the Coupling Between Channel Level and Surface Ground-Water Flows. Pure and Applied Geophysics, 165 (8). pp. 1511-1530. ISSN 0033-4553

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This paper is devoted to a mathematical analysis of some general models of mass transport and other coupled physical processes developed in simultaneous flows of surface, soil and ground waters. Such models are widely used for forecasting (numerical simulation) of a hydrological cycle for concrete territories. The mathematical models that proved a more realistic approach are obtained by combining several mathematical models for local processes. The water-exchange models take into account the following factors: Water flows in confined and unconfined aquifers, vertical moisture migration allowing earth surface evaporation, open-channel flow simulated by one-dimensional hydraulic equations, transport of contamination, etc. These models may have different levels of sophistication. We illustrate the type of mathematical singularities which may appear by considering a simple model on the coupling of a surface flow of surface and ground waters with the flow of a line channel or river.

Item Type:Article
Uncontrolled Keywords:Mathematical models; coupled processes; channel and ground waters
Subjects:Sciences > Physics > Geophysics
ID Code:15182
Deposited On:10 May 2012 08:14
Last Modified:12 Dec 2018 15:07

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