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Integrated gradient interpretation techniques for 2D and 3D gravity data interpretation

Earth, Planets and Space volume 58, pages 815–821 (2006)Cite this article

Abstract

The Obama geothermal field is located on the western part of Kyushu Island, Japan. This area has importance due to its high geothermal content which attracts sporadic researchers for study. In 2003 and 2004, Obama was covered by gravity surveys to monitor and evaluate the geothermal field. In this paper, the surveyed gravity data will be used in order to delineate and model the subsurface structure of the study area. Gradient methods such as analytic signal and vertical derivatives were applied to the gravity data. The available borehole data and the results of the gradient interpretation techniques were used to model the Obama geothermal field. In general, the obtained results show that the gradient interpretation techniques are useful to obtain geologic information from gravity data.

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Authors and Affiliations

  1. Department of Earth Resources Engineering, Kyushu University, Fukuoka, 812-8581, Japan

    Hakim Saibi, Jun Nishijima & Sachio Ehara

  2. National Research Institute of Astronomy and Geophysics, P.O. Box 227, 11722, Helwan, Cairo, Egypt

    Essam Aboud

Authors
  1. Hakim Saibi
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  2. Jun Nishijima
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  3. Sachio Ehara
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  4. Essam Aboud
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Correspondence to Hakim Saibi.

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Saibi, H., Nishijima, J., Ehara, S. et al. Integrated gradient interpretation techniques for 2D and 3D gravity data interpretation. Earth Planet Sp 58, 815–821 (2006). https://doi.org/10.1186/BF03351986

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  • DOI: https://doi.org/10.1186/BF03351986

Keywords

  • Analytic Signal
  • Gravity Anomaly
  • Gravity Data
  • Bouguer Gravity
  • Subsurface Structure