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Comparison of Different Stabilizing Functional in 3D Regularized Inversion of Direct Current Resistivity DataNormal access

Authors: N.Y. Gundogdu and M.E. Candansayar
Event name: Near Surface Geoscience 2014 - 20th European Meeting of Environmental and Engineering Geophysics
Session: New Geophysical Technologies
Publication date: 08 September 2014
DOI: 10.3997/2214-4609.20141982
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 810.25Kb )
Price: € 20

Summary:
In this study, a new three dimensional (3D) direct current resistivity (DCR) data inversion algorithm is developed. In the developed algorithm, Tikhonov parametric functional is used for regularized inversion. Mostly, smoothing stabilizer is preferred in 3D inversion algorithms of DCR data. In the developed algorithm, different stabilizers are used and their effects on the inverse solution are investigated. It is showed that, inversion with “minimum support” and “first-order minimum entropy” stabilizers gives results with sharper boundaries than inversion with smoothing stabilizer. The algorithm is tested with synthetic data and also field data which is collected in archeological area.


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