Model Development Relating Electrical Resistivity to Mechanical Elasticity of Hydrothermal Aquifer at Geothermal Area of Panggo-Kaloling, Sinjai Regency, Indonesia
), D.A. Suriamihardja(2), A.M. Imran(3), T. Harianto(4),
(1) Student of Graduate Program of Civil Engineering, Hasanuddin University
(2) Department of Physics, Faculty of Science, Hasanuddin University
(3) Department of Geological Engineering, Faculty of Engineering,Hasanuddin University
(4) Department of Civil Engineering, Faculty of Engineering Hasanuddin University
Corresponding Author
Abstract
A mathematical model has been developed to obtain the relationship between two parameters of electrical resistivity and mechanical elasticity of subsurface rocks of the hydrothermal area of Panggo-Kaloling in Sinjai Regency.The model was developed using data exploration concerning of both methods from the area under consideration. Constructed model is able to relate a time travel of seismic waves propagation that stands for mechanical elasticity to electrical resistivity in the area. The characterictic properties of the relation show a close connection to the parameter of porosity of the subsurface rocks. Comparing the results derived from the modeling with that of obtained from measurement gives suitable approximation with error level of less than 20%. The study concludes that the model is able to predict mechanical elasticity by using geo-electric method, or electric resistivity by using seismic refraction method.
Keywords
porosity, electrical resistivity, mechanical elasticity, and travel time of waves propagation
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