Modelling of Saltwater Intrusion into a Discharging Well in a Non-Homogeneous Unconfined Aquifer

Ghazali, Abdul Halim and Jong, Tze Yong and Muyibi, Suleyman Aremu and Said, Salim and Eloubaidy, Aziz F. (2003) Modelling of Saltwater Intrusion into a Discharging Well in a Non-Homogeneous Unconfined Aquifer. Pertanika Journal of Science & Technology, 11 (2). pp. 145-155. ISSN 0128-7680

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Abstract

Finite element method based on the Galerkin technique was used to formulate the solution for simulating a two-dimensional transient movement of saltwater in a stratified aquifer under pumping conditions. The aquifer system was unconfined, non-homogeneous and isotropic. The groundwater flow and convection-dispersion equations were transformed into two non-linear coupled partial differential equations to yield the values of the corresponding piezometric head and saltwater concentration at various points and times. These two equations were solved by Argus- ONE™ SUTRA model that employs the finite element method. The performance of the numerical model is compared with the data observed from a laboratory experimental model. Good agreement has been achieved between the numerical and experimental models for the concentration and hydraulic head as comparison showed the maximum differences of only 10% and 11% respectively.

Item Type:Article
Keyword:Non-homogenous aquifer, saltwater intrusion, mathematical modelling, experimental model, validation
Faculty or Institute:Faculty of Engineering
Publisher:Universiti Putra Malaysia Press
ID Code:3792
Deposited By: Nur Izyan Mohd Zaki
Deposited On:01 Dec 2009 08:01
Last Modified:27 May 2013 07:11

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