The role of moisture fluctuations in unsaturated transport

Within the framework of stochastic theory and the spectral perturbation techniques, three-dimensional dispersion in partially saturated soils with a finite correlation scale of log-hydraulic conductivity is analyzed. The effects of spatial variability of the moisture distribution parameter on the as...

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Veröffentlicht in:Stochastic environmental research and risk assessment 1997-04, Vol.11 (2), p.129-143
Hauptverfasser: CHANG, C.-M, KEMBLOWSKI, M. W
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KEMBLOWSKI, M. W
description Within the framework of stochastic theory and the spectral perturbation techniques, three-dimensional dispersion in partially saturated soils with a finite correlation scale of log-hydraulic conductivity is analyzed. The effects of spatial variability of the moisture distribution parameter on the asymptotic spreading behavior of a unsaturated solute plume are assessed. This is accomplished by comparing two asymptotic macrodispersivities and two variance of solute concentration, obtained for a constant moisture content and spatially varied moisture, respectively.
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identifier ISSN: 0931-1955
ispartof Stochastic environmental research and risk assessment, 1997-04, Vol.11 (2), p.129-143
issn 0931-1955
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language eng
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source Springer Nature - Complete Springer Journals
subjects Asymptotic properties
Earth sciences
Earth, ocean, space
Exact sciences and technology
Hydrogeology
Hydrology. Hydrogeology
Moisture content
Moisture effects
Partially saturated soils
Perturbation methods
Saturated soils
Soil moisture
Water content
title The role of moisture fluctuations in unsaturated transport
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