Open Access Open Access  Restricted Access Subscription or Fee Access

2-D ELECTRICAL RESISTIVITY TECHNIQUE FOR GROUNDWATER EXPLORATION IN IKERE – EKITI, NIGERIA

Joseph Ayodele Owolabi

Abstract


The electrical resistivity techniques become one of the most widely used geophysical survey methods. Electrical resistivity method has been applied to various fields like groundwater and subsurface resource exploration. In the past, electrical resistivity was used in engineering, environmental and archaeological purposes. Its reliability depends on the expert interpretation skills of geophysicist. Applicable technique in groundwater exploration like electrical resistivity method which complement with existing conventional method will produce comprehensive and convincing output effective in terms of cost, time, data coverage and sustainable. Over the years, conventional method like excavation and test boring are the tool used to obtain information of surface and subsurface during site investigation. There are several problems regarding the application of conventional method as it only give information at actual drilling point only. 2-D electrical resistivity method was performed using ABEM(SAS)4000 equipment and three soil samples from locations lying along survey line were collected for moisture content and particle size distribution test according to BS1377(1990). After the data have been acquired, the raw data was then transferred from data logger to LCD device for processing and analysis using RES2DINV code. Laboratory tests indicated that the electrical resistivity data can varied with the moisture content and grain size character. Soil electrical resistivity values decreased with increasing moisture content and fine content. Results from this study could be additional information to geophysics and engineers for their problem solving like the information on groundwater pollution, underground and source of water supply. Keywords: 2-D, electrical resistivity, techniques, groundwater, exploration.

Full Text:

PDF

References


Abidin,M.H.Z, Ahmad, F. , Wijeyesekera, D.C, Saad, R (2011). Application of geophysical methods in civil Engineering. International conference on Engineering and Technology, 1-12.

Abidin, M.H.Z,Ahmad, F. , Wijeyesekera, D.C, Saad, R (2013). Soil resistivity measurements to predict moisture content and density in loose and dense soil. Applied mechnics and materials. 353-356.

Abidin, M.H.Z,Ahmad, F. , Wijeyesekera, D.C, Saad, R (2014). The influence of soil moisture content and grain size characteristics on its field electrical resistivity. Electronic Journal of Geotechnical Engineering 18, 699-705.

Akhtar,I.R, Mohd, A.A, Abidin, M.H.Z (2018). Application of electrical resistivity method in groundwater exploration. Journal of physics. Conference series, 995, 1-9.

Asry, Z, Dor, N, Park, S (2012). Groundwater exploration using 2-D geoelectrical resistivity imaging technique at sungai.Udang, Melaka, 624-630.

Clayton, C.R, Mathew, M.C, Simons, N.E (1995). Site investigation,2nd ed. Blackwell science Ltd. UK, CH. 4

Kadri, M and Nawawi, M.N (2010). Groundwater exploration using 2D resistivity imaging.151-155.

Keller, T (1994). Electrical methods in geophysical prospecting. Pergamon press Inc. oxford.

Kim, M.K and Jeong, G (2011). Surface geophysical investigations of landslide at the wiri area in South eastern Korea. 999-1009.

Kumari, K, Jusoh, Z (2009). Application of 2-D resistivity imaging and seismic refraction technique in subsurface investigation for civil engineering. Electronic Journal of geotechnical engineering. 17,67-76.

Loke, M.H, Acworth, I, Dahlin, T (2003). A comparison of smooth and blocky inversion methods 2-D electrical imaging surveys. ExplorGeophys. 34, 182- 187.

Mohd, H.B, Devapriya, C, Rosli, S, Fauziah, A (2013). The influence of soil moisture content and grain size characteristics on its field electrical resistivity. Malaysia Museum Journal,33.

Pachauri, M (2003). Determination moisture content and unit weight of clay soil using resistivity imaging. Geocongress.398-407.

Samon elian,A, Keller, G.V (2005). Electrical resistivity survey in soil science. A review. Soil and Tillage research, 83(2), 173-193.

Yunmoon, J, Heesang, H, Youngnam, L (2013). Application of electrical resistivity imaging techniques to civil and environmental problems. Geophysical methods in construction. 52-64.

Zhdanov,K and Keller, T (1994). The electrical resistivity log as an aid in determining some reservoir characteristics. Trans. AIME 146, 54- 67.

Anital, K (2005). Electrical resistivity Tomography for groundwater exploration in Hard Rock Terrain, 4(4), 156- 163.

Jung, P, Hazreek,Z (2000). Forensic assessment on ground instability using electrical resistivity imaging.

Liu and Evett (2008). Soils and foundation. New Jersey : Pearson International.

Burgar, H.R ,Sheehan, A.F, Jones, C.H (2006). Introduction to Applied geophysics. New York : WW.Norton & Company.

Said, A.H (2007). Geophysical imaging of root- zone, trunk, and moisture heterogeneity. Journal of experimental Botany, 58(4), 839-854.

Rosli, S, Nur Azwin,Saidin,M, Noer, H.I (2011). Subsurface study using 2-D resistivity imaging method for meteorite impact at Bukit Bunuli, Perak. https://www.researchgate.net


Refbacks

  • There are currently no refbacks.