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Artificial neural network inversion of magnetic anomalies caused by 2D fault structures

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Abstract

A new approach is proposed to interpret magnetic anomalies caused by 2D fault structures. This approach is based on the artificial neural network inversion, utilizing particularly modular neural network algorithm. The inversion process is implemented to estimate the parameters of 2D fault structures where it has been verified first on synthetic models. The results of the inversion show that the parameters derived from the inversion agree well with the true ones. The analysis of noise has been studied in order to investigate the stability of the approach where it has been tested for contaminated anomalies with 5 and 10 % of white Gaussian noise. The results of the inversion provide satisfactory results even with contaminated signals.

The validity of the approach has been demonstrated through real data taken from New South Wales, Australia. A comparable and satisfactory agreement is shown between the inversion results of the neural network and those from techniques published in literatures.

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Authors and Affiliations

  1. Department of Geophysics, Faculty of Earth Sciences, King Abdulaziz University, P.O. Box 80206, Jeddah, 21589, Saudi Arabia

    Mansour A. Al-Garni

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  1. Mansour A. Al-Garni
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Correspondence to Mansour A. Al-Garni.

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Al-Garni, M.A. Artificial neural network inversion of magnetic anomalies caused by 2D fault structures. Arab J Geosci 9, 156 (2016). https://doi.org/10.1007/s12517-015-2256-y

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