Numerical Estimation of Macrodispersivities in Heterogeneous Self-similar Aquifersby Marian W. Kemblowski, Utah State Univ, Logan, United States,
Gilberto E. Urroz, Utah State Univ, Logan, United States,
Document Type: Proceeding Paper
Part of: Engineering Hydrology
Abstract: Numerical simulations of contaminant transport in a stratified aquifer characterized by a self-similar distribution of hydraulic conductivity were performed. Macrodispersivities were calculated from the results of the numerical simulations using the plume spatial moments. The relationship between the variance and fractal dimension of hydraulic conductivity and the longitudinal macrodispersivity was investigated. Macrodispersivity was found to decrease with fractal dimension and to increase with standard deviation of hydraulic conductivity.
Subject Headings: Numerical models | Aquifers | Hydraulic conductivity | Fractals | Sediment transport | Pollutants | Water stratification | Plumes
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