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NUMERICAL ANALYSIS OF EFFECTS OF HYDRAULIC GRADIENT ON MASS FLUX OF SALTWATER INTRUSION IN COASTAL AQUIFERS


JAMES A. ADEGOKE 1, OLATUNDE I. POPOOLA 1, OLUDOTUN O. FALUY 1, 2*
1. Department of Physics, University of Ibadan, Ibadan, Nigeria
2. Department of Physics and Materials Science, Kwara State University, Malete Kwara State, Nigeria
* Corresponding author, email: oludotunfaluyi@gmail.com

Issue:

JESR, Number 3, Volume XXII

Section:

Issue Nr. 3 - Volume 22(2016)

Abstract:

Coastal aquifers are distinguished from other aquifers because of saltwater intrusion effects, which cause contamination of groundwater in coastal regions. This study addressed the significance of hydraulic gradient and porosity of the coastal aquifers on contaminant transport of saltwater. Results showed hydraulic gradient of the aquifer has significant impact on the contaminant transport in coastal aquifer. When the hydraulic gradient between freshwater and saltwater is high and directed toward the sea, diffused rate of saltwater into the groundwater would be low. Therefore, hydraulic head of freshwater in coastal aquifer must be maintained at high level to control saltwater intrusion.

Keywords:

mass flux, hydraulic gradient, coastal aquifer, freshwater and saltwater intrusion.

Code [ID]:

JESR201603V22S01A0001 [0004623]

Note:

Full paper:

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