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Dissolution of nonaqueousphase liquid pools in anisotropicaquifers

Chrysikopoulos Constantinos, E .T Vogler

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URIhttp://purl.tuc.gr/dl/dias/715B4B5F-FB4F-4482-BAED-47F87D7152A3-
Identifierhttps://doi.org/10.1007/PL00009787-
Languageen-
Extent14 pagesen
TitleDissolution of nonaqueous phase liquid pools in anisotropic aquifersen
CreatorChrysikopoulos Constantinosen
CreatorΧρυσικοπουλος Κωνσταντινοςel
CreatorE .T Vogleren
Content Summary A two-dimensional numerical transport model is developed to determine the effect of aquifer anisotropy and heterogeneity on mass transfer from a dense nonaqueous phase liquid (DNAPL) pool. The appropriate steady state groundwater flow equation is solved implicitly whereas the equation describing the transport of a sorbing contaminant in a confined aquifer is solved by the alternating direction implicit method. Statistical anisotropy in the aquifer is introduced by two-dimensional, random log-normal hydraulic conductivity field realizations with different directional correlation lengths. Model simulations indicate that DNAPL pool dissolution is enhanced by increasing the mean log-transformed hydraulic conductivity, groundwater flow velocity, and/or anisotropy ratio. The variance of the log-transformed hydraulic conductivity distribution is shown to be inversely proportional to the average mass transfer coefficient. en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-09-23-
Date of Publication2001-
Bibliographic CitationE. T. Vogler ,C. V. Chrysikopoulos, "Dissolution of nonaqueous phase liquid pools in anisotropic aquifers " ,Stoch. Environ.Research and Risk Ass. ,vol.15, no.1, pp. 33-46,2001.doi :10.1007/PL00009787en

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