Modelling of Saltwater Intrusion into a Discharging Well in a Non-Homogeneous Unconfined Aquifer
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 c...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Universiti Putra Malaysia Press
2003
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| Online Access: | http://psasir.upm.edu.my/id/eprint/3792/1/Modelling_of_Saltwater_Intrusion_into_a_Discharging_Well.pdf |
| Summary: | 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. |
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