Groundwater Detection in Alluvium Using 2-D Electrical Resistivity Tomography (ERT)
Senior Lecturer (Dr.), Geophysics Section, School of Physics, Universiti Sains Malaysia, Penang, Malaysia; e-mail: email@example.com
Prof. (Dr.) M.N.M. Nawawi
Geophysics Section, School of Physics, 11800 Universiti Sains Malaysia, Penang, Malaysia; e-mail:firstname.lastname@example.org
Edy Tonnizam Mohamad
Senior Lecturer (Dr.), Department of Geotechnics and Transportation, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Skudai, Johor; e-mail: email@example.com
2-D electrical resistivity tomography (ERT) has been extensively used for many years for groundwater exploration. The technique is employed together with drilling for determination of resistivity value of alluvium and the effect of groundwater. The study was conducted in areas which have a geology record of thick alluvium. The result show that groundwater will lower the resistivity value and silt also will bring down the resistivity value lower then groundwater effect. Groundwater reservoirs are found in saturated sand, saturated sandy clay and saturated silt, clay and sand.
Keywords: Electrical resistivity tomography; Alluvium; Resistivity value; Saturated; Groundwater.
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