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Dimensionless analysis of two analytical solutions for 3-D solute transport in groundwater

Abstract : Analytical solutions are widely used as screening tools for estimating the potential for contaminant transport in groundwater, or for interpreting tracer tests or groundwater quality data. A solution for three-dimensional solute migration from a plane-source source that is frequently used in practice is the approximate solution of Domenico [J. Hydrol. 91 (1987) 49–58]. A more rigorous solution to the same problem was provided by Sagar [ASCE, J. Hydraul. Div. 108, no. HY1 (1982) 47–62]. A comprehensive and unambiguous comparison between these two solutions is provided using dimensionless analysis. The solutions are first cast in terms of dimensionless parameters and then used to provide type curves covering a wide range of dimensionless parameter values. Results show that while discrepancies between the two solutions are relatively negligible along the plume centreline (for flow regimes dominated by advection and mechanical dispersion), large concentration differences can be observed as lateral distance from the centreline increases, especially in the presence of solute decay.
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Soumis le : lundi 3 octobre 2022 - 11:56:36
Dernière modification le : lundi 3 octobre 2022 - 12:12:34




Dominique Guyonnet, Christopher Neville. Dimensionless analysis of two analytical solutions for 3-D solute transport in groundwater. Journal of Contaminant Hydrology, 2004, 75 (1-2), pp.141-153. ⟨10.1016/j.jconhyd.2004.06.004⟩. ⟨hal-03794486⟩



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