Simulating solute transport in an aggregated soil with the dual-porosity model: measured and optimized parameter values

M.L. Brusseau, Z. Gersti, Dionysius C.M. Augustijn, P.S.C. Rao

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Abstract

The capability of the first-order, dual-porosity model, which explicitly accounts for non-ideal transport caused by the presence of ‘immobile’ water, to predict the non-ideal transport of non-sorbing solute in a constructed aggregated soil has been investigated. Miscible-displacement experiments performed with a well-characterized aggregated soil and a non-reactive tracer (pentafluorobenzoate) served as the source of the data. Values for the input parameters associated with physical non-equilibrium were determined independently and compared with values obtained by curve fitting of the experimental measurements. The calculated and optimized values compared well, suggesting that the non-equilibrium parameters represent actual physical phenomena
Original languageUndefined
Pages (from-to)187-193
JournalJournal of hydrology
Volume163
Issue number1-2
DOIs
Publication statusPublished - 1994

Keywords

  • IR-79032

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