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Hydrogeology Journal

Erschienen in:

01.06.2016 | Technical Note

Groundwater travel time computation for two-layer islands

verfasst von: Hamed Ketabchi, Davood Mahmoodzadeh, Behzad Ataie-Ashtiani

Erschienen in: Hydrogeology Journal | Ausgabe 4/2016

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Abstract

A closed-form analytical computation of groundwater travel time (GWTT) for two-layer oceanic small island aquifers is developed assuming steady-state and sharp-interface conditions. The two-layer geology impacts on the GWTT are investigated using the developed analytical solution to achieve a greater transparency of such conceptualizations. The results demonstrate that the inclusion of geologic layering leads to large changes in the GWTT. Sensitivity analyses, using specified dimensionless parameters, are employed to assess the influences of hydraulic conductivity, recharge rate, upper layer thickness, and seawater/freshwater density difference parameters, which influence the GWTT. These evaluations reveal that the GWTT is mainly influenced by the recharge rate and the upper layer thickness compared to the other influential parameters when the typical parameter ranges are considered.

Vorheriger Artikel The origin of groundwater arsenic and fluorine in a volcanic sedimentary basin in central Mexico: a hydrochemistry hypothesis

Nächster Artikel Map visualization of groundwater withdrawals at the sub-basin scale

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Titel: Groundwater travel time computation for two-layer islands
verfasst von: Hamed Ketabchi
Davood Mahmoodzadeh
Behzad Ataie-Ashtiani
Publikationsdatum: 01.06.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: Hydrogeology Journal / Ausgabe 4/2016
Print ISSN: 1431-2174
Elektronische ISSN: 1435-0157
DOI: https://doi.org/10.1007/s10040-015-1347-x

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