Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))
Online ISSN : 2185-4661
ISSN-L : 2185-4661
Journal of Applied Mechanics Vol.17 (Special Feature)
Ensemble estimation of time-related capture zones and capture probability of pumping well in heterogeneous aquifers using particle tracking approaches
Kazuya INOUESaki MATSUYAMATsutomu TANAKA
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2014 Volume 70 Issue 2 Pages I_51-I_62

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Abstract

This paper presented a new ensemble estimation for capture zones of pumping well as well as for those area and perimeter using backward particle tracking. Geostatistically generated hydraulic conductivity fields having different heterogeneity were of concern to estimate time-related capture zones, showing that the increase of heterogeneity leads to ambiguous capture zones. Random walk particle tracking was applied to assess the capture probability of well that initial particle distributions comprising capture zones are extracted by the well. Ensemble of the mass evolutions associated with all realizations exhibited the effects of heterogeneities not only in hydraulic conductivity fields but in retardation fields on the capture probability.

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© 2014 by Japan Society of Civil Engineers
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