1996
DOI: 10.1016/0022-1694(95)02791-2
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Analytic solutions for unconfined groundwater flow over a stepped base

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Cited by 3 publications
(4 citation statements)
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“…The discrepancy between fluxes calculated based on the 1D discontinuous analytical solutions and those based on the 2D MODLOW runs (with and without seepage face) does not exceed 1.5% for the simulated average horizontal hydraulic gradient of about 0.1 (Appendix S2, supporting information). These results are consistent with the findings of Fitts and Strack (), according to which for horizontal hydraulic gradients in the range of 0.1–0.01 or less, accounting for the resistance to vertical flow (i.e., deviation from the Dupuit assumption), introduces only minor differences in the simulated free surface position near the step compared with a 1D solution of the Boussinesq equation.…”
Section: Comparison With Numerical Solutionssupporting
confidence: 91%
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“…The discrepancy between fluxes calculated based on the 1D discontinuous analytical solutions and those based on the 2D MODLOW runs (with and without seepage face) does not exceed 1.5% for the simulated average horizontal hydraulic gradient of about 0.1 (Appendix S2, supporting information). These results are consistent with the findings of Fitts and Strack (), according to which for horizontal hydraulic gradients in the range of 0.1–0.01 or less, accounting for the resistance to vertical flow (i.e., deviation from the Dupuit assumption), introduces only minor differences in the simulated free surface position near the step compared with a 1D solution of the Boussinesq equation.…”
Section: Comparison With Numerical Solutionssupporting
confidence: 91%
“…Fitts and Strack () presented analytical 1D and 2D solutions for unconfined groundwater flow over an impervious base consisting of two steps. However, only continuous head distributions were considered in their article.…”
Section: Introductionmentioning
confidence: 99%
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“…Problemas não-lineares em aquíferos são, ainda, pouco estudados. Fitts e Strack [1] encontram a solução exata da passagem de um escoamento unidirecional e unidimensional sobre um degrau caracterizado sobre o embasamento do aquífero. Neste trabalho, é abordado de maneira aproximada um escoamento através de área de afloramento pela sobreposição de funções chamadas de linhas dublês.…”
Section: Introductionunclassified