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

M. L. Brusseau, Z. Gerstl, D. Augustijn, P. S.C. Rao

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

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 languageEnglish (US)
Pages (from-to)187-193
Number of pages7
JournalJournal of Hydrology
Volume163
Issue number1-2
DOIs
StatePublished - Dec 1 1994

ASJC Scopus subject areas

  • Water Science and Technology

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