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    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
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Editor-in-chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2012 Vol.3(6): 569-573 ISSN: 2010-0264
DOI: 10.7763/IJESD.2012.V3.287

Imaging Subsurface Characterization at Bukit Bunuh Using 2D Resistivity Method: The Effectiveness of Enhancing Horizontal Resolution (EHR) Technique

Muztaza M. Nordiana, S. Rosli, Saidin M. Mokhtar, Nordin M. M. Nawawi, and Ismail N. Azwin

Abstract—2D resistivity method is an indirect method to the shallow subsurface survey for maintaining the geo-environment. It is used to measure the apparent resistivity of subsurface. This study was conducted at Bukit Bunuh, Perak (Malaysia), where EHR resistivity technique was developed in order to get detail and deeper penetration for shallow subsurface study. The survey line for EHR technique was executed in West-East direction while South-North direction was covered without EHR technique. The 2D resistivity results were compared between the survey line, with and without EHR technique. The survey used Pole-dipole array with 5 m minimum electrode spacing. The results show the first zone with resistivity value of 10-800 ohm-m and thickness 5-60 m as alluvium consisting of boulders (weathered granite) with resistivity value of >6000 ohm-m. The second zone with resistivity value >20 000 ohm-m was granitic bedrock. The penetration depth for 2D resistivity without EHR technique is 70m and with EHR techniques is 140m with 5m electrode spacing.

Index Terms—Bukit bunuh, enhancing horizontal resolution (EHR), subsurface, 2D resistivity.

M. M. Nordiana, S. Rosli, M. N. M. Nawawi and I. N. Azwin are with the Geophysics Section, School of Physics, 11800 Universiti Sains Malaysia, Pulau Pinang, Malaysia (email: mmnordiana@gmail.com; rosli@usm.my; mnawawi@usm.my; nurazwinisnail@yahoo.com)
S. Mokhtar is with the Centre for Global Archeological Research Malaysia, 11800 Universiti Sains Malaysia, Pulau Pinang, Malaysia (e-mail: mmokh@usm.my)

[PDF]

Cite: Muztaza M. Nordiana, S. Rosli, Saidin M. Mokhtar, Nordin M. M. Nawawi, and Ismail N. Azwin, "Imaging Subsurface Characterization at Bukit Bunuh Using 2D Resistivity Method: The Effectiveness of Enhancing Horizontal Resolution (EHR) Technique," International Journal of Environmental Science and Development vol. 3, no. 6, pp. 569-573, 2012.

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