Table of Contents
ISRN Geophysics
Volume 2012, Article ID 293132, 6 pages
http://dx.doi.org/10.5402/2012/293132
Research Article

Merge-Optimization Method of Combined Tomography of Seismic Refraction and Resistivity Data

Geophysics Section, School of Physics, Universiti Sains Malaysia, 11800 Penang, Malaysia

Received 8 November 2012; Accepted 28 November 2012

Academic Editors: Y.-J. Chuo and G. Mele

Copyright © 2012 Andy A. Bery. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper discussed a novel application called merge-optimization method that combines resistivity and seismic refraction data to provide a detailed knowledge of the studied site. This method is interesting because it is able to show strong accuracy of two geophysical imaging methods based on many of data points collected from the conducted geophysical surveys of disparate data sets based strictly on geophysical models as an aid for model integration for two-dimensional environments. The geophysical methods used are high resolution methods. The resistivity imaging used in this survey is able to resolve the subsurface condition of the studied site with low RMS error (less than 2.0%) and 0.5 metre electrodes interval. For seismic refraction method, high resolution of seismic is used for correlation with resistivity results. Geophones spacing is 1.0 metre and the total number of shot-points is 15, which provides very dense data point. The algorithms of merge-optimization have been applied to two data sets collected at the studied site. The resulting images have been proven to be successful because they satisfy the data and are geometrically similar. The regression coefficient found for conductivity-resistivity correlation is 95.2%.