Publications in English

• Uchida, T., 1989, Attempt of tensor controlled source audiofrequency magnetotellurics, Geophys. Explor. (Butsuri-Tansa), 42, 27-39.
• Uchida, T., and Murakami, Y., 1990, Development of a Fortran code for two-dimensional Schlumberger inversion, Geological Survey of Japan Open-File Report, No. 150, 50p.
• Uchida, T., 1991, Two-dimensional resistivity inversion for Schlumberger sounding, Geophys. Explor. (Butsuri-Tansa), 44, 1-17.
• Uchida, T., Lee, K. H., and Wilt, M., 1991, Effect of a steel casing on crosshole EM measurement, Society of Exploration Geophysicists 1991 Annual International Meeting, Extended Abstracts, 442-445.
• Uchida, T., 1993, Smooth 2-D inversion for magnetotelluric data based on statistical criterion ABIC, J. Geomag. Geoelectr., 45, 841-858.
• Uchida, T., 1993, Inversion of COPROD2 magnetotelluric data by use of ABIC minimization method, J. Geomag. Geoelectr., 45, 1063-1071.
• Uchida, T., and Ogawa, Y., 1993, Development of Fortran code for two-dimensional magnetotelluric inversion with smoothness constraint, Geological Survey of Japan Open-File Report, No. 205, 115p.
• Uchida, T., 1995, Resistivity structure of Sumikawa geothermal field, northeastern Japan, obtained from magnetotelluric data, Proceedings of World Geothermal Congress 1995, Florence, Italy, 921-925.
• Ogawa, Y., and Uchida, T., 1996, A two-dimensional magnetotelluric inversion assuming Gaussian static shift, Geophysical Journal International, 126, 69-76.
• Uchida, T., Yagi, M., Sasaki, M., Kamenosono, H., Doi, N., and Miyazaki, S., 1996, Investigation of deep-seated geothermal reservoir by NEDO's 4,000 m well in Kakkonda, Japan, Proceedings of 8th International Symposium on the Observation of the Continental Crust through Drilling, Tsukuba, Japan, 73-78.
• Uchida, T., Akaku, K., Sasaki, M., Kamenosono, H., Doi, N., and Miyazaki, S., 1996, Recent progress of NEDO’s Deep-seated Geothermal Resources Survey Project, Geothermal Resources Council Transaction, 20, 643-648.
• Uchida, T., Akaku, K., Kamenosono, H., Yanagisawa, N., Sasaki, M., Miyazaki, S., and Doi, N., 1997, Deep Geothermal Resources Survey Project in the Kakkonda geothermal field, Proceedings of NEDO International Geothermal Symposium, Sendai, Japan, 215-222.
• Uchida, T., 1997, Two-dimensional inversion of Oklahoma EMAP data with smoothness regularization, J. Geomag. Geoelectr., 49, 791-800.
• Uchida, T., 1997, Two-dimensional inversion of Papua New Guinea magnetotelluric data with smoothness regularization, J. Geomag. Geoelectr., 49, 869-878.
• Muraoka, H., Uchida, T., Sasada, M.,Yagi, M., Akaku, K., Sasaki, M., Yasukawa, K., Miyazaki, S., Doi, N., Saito.S., Sato, K., Tanaka, S., 1998, Deep Geothermal Resources Survey Program: igneous, metamorphic and hydrothermal processes in a well encountering 500℃ at 3729m depth,Kakkonda, Japan, Geothermics, v. 57, 507-534.
• Toshihiro Uchida, Yasuo Ogawa, Shinichi Takakura and Yuji Mitsuhata, 1999, Three-dimensionality of magnetotelluric data in the Kakkonda geothermal field, northern Japan, Proceedings of the 2nd International Symposiumon on Three-Dimensional Electromagnetics, 285-288.
• Uchida, T., Ogawa, Y., Takakura, S. and Mitsuhata, Y., 2000, Geoelectrical investigation of the Kakkonda geothermal field, northern Japan, Proceedings World Geothermal Congress 2000, 1893-1898.
• Uchida, T. and Sasaki, Y., 2001, Application of three-dimensional magnetotelluric inversion to geothermal exploration, Proceedings of the 5th SEGJ International Symposium, 209-212.
• Toshihiro Uchida, Tae Jong Lee, Sasaki Yutaka, Mitsuru Honda, Ashari, and Achmad Andan, 2001, 3-D interpretation of magnetotelluric data at the Bajawa geothermal field, Indonesia, Geothermal Resources Council Transaction, 25, 433-438.
• Uchida, T., Lee, T. J., Sasaki, Y., Honda, M., Ashari, and Andan, A., 2001, Three-dimensional inversion of magnetotelluric data at the Bajawa geothermal field, eastern Indonesia, Expanded Abstract, Society of Exploration Geophysicists 71th Annual Meeting, 1497-1500.
• Uchida, T., Ashari, and Andan, A, 2002, Interpretation of DC resistivity data in the Bajawa geothermal field, central Flores, Indonesia, Bulletin of Geological Survey of Japan, v. 53, 253-263.
• Uchida, T., Lee, T. J., Honda, M., Ashari, and Andan, A, 2002, 2-D and 3-D interpretation of magnetotelluric data in the Bajawa geothermal field, central Flores, Indonesia, Bulletin of Geological Survey of Japan, v. 53, 265-283.
• Kasumi Yasukawa, Achmad Andan, Dendi Kusama, Toshihiro Uchida and Tsuneo Kikuchi, 2002, Self-Potential Mapping of the Mataloko and Nage Geothermal Fields, Central Flores, Indonesia for Applications on Reservoir Modeling, Bulletin of Geological Survey of Japan, v. 53, 285-295.
• Toshihiro Uchida, Tae Jong Lee, Ashari, and Arif Munandar, 2002, 3-D Interpretation of magnetotelluric data at the Atadei geothermal field, Lembata Island, Indonesia, Proceedings of 23rd Annual PNOC-EDC Geothermal Conference, 251-256.
• Yuji Mitsuhata, Toshihiro Uchida and Hiroshi Amano, 2002, 2.5-D inversion of frequency-domain electromagnetic data generated by a grounded-wire source, Geophysics, v. 67, 1753-1768.
• Uchida, T., Lee, T. J., Cerv, V., 2003, 3-D inversion of magnetotelluric data in the Kakkonda geothermal field, northern Japan, Proceedings of 6th SEGJ International Symposium, 274-280.
• Toshihiro Uchida, Domingo B. Layugan, David M. Rigor, Jr., Carlos F. LosBanos, Nilo A. Apuada, Rhoel Enrico R. Olivar and John P. L. Catane, 2003, 3-D interpretation of magnetotelluric data in Central Leyte and Northern Negros geothermal areas, Central Philippines, Proceedings of 24th Annual PNOC-EDC Geothermal Conference, 73-78.
• Yoonho Song, Seong Kon Lee, Hyoung Chan Kim, Weon-Seo Kee, Yeong-Sue Park, Mu-Taek Lim, Jeong-Sul Son, Seong-Jun Cho, Seong-Keun Lim, Toshihiro Uchida, Yuji Mitsuhata, Tae Jong Lee, Heuisoon Lee, Hyoung-Rae Rim, Seho Hwang and In-Hwa Park, 2003, Case study on a low-enthalpy geothermal exploration in Pohang area, Korea, Geosystem Engineering, v. 6, no. 2, 46-53.
• Uchida, T. and Sasaki, Y., 2003.10, Stable 3-D inversion of MT data and its application to geothermal exploration, Three-Dimensional Electromagnetics III, p.12.1 ? 12.10.
• Uchida, T., 2003.10, Application of 3D inversion to magnetotelluric data in the Ogiri geothermal area, Japan, Geothermal Resources Council Transactions, 27, 255-260.
• Uchida, T., Song, Y., Mitsuhata, Y. and Lee, S. K., 2003.11, Application of 3D magnetotelluric investigation for geothermal exploration - examples in Japan and Korea, Proceedings of International Symposium on the Fusion Technology of Geosystem Engineering, Rock Engineering and Geophysical Exploration, 390-397. 
• Tae Jong Lee, Toshihiro Uchida, Yutaka Sasaki and Yoonho Song, 2003, Characteristics of static shift in 3-D MT inversion, Mulli-Tamsa (Geophysical Exploration), v. 6, 199-206.  
• Yuji Mitsuhata and Toshihiro Uchida, 2004, Three-dimensional magnetotelluric modeling using the T-Omega finite element method, Geophysics, v. 69, 108-119.
• Toshihiro Uchida, 2004, Resolution of three-dimensional MT inversion for geothermal exploration, Proceedings of 25th Annual PNOC-EDC Geothermal Conference, 1-8.
• Toshihiro Uchida, Yoonho Song, Tae Jong Lee, Yuji Mitsuhata, Seong Kon Lee and Seong-Keun Lim, 2004, 3D magnetotelluric interpretation for low-enthalpy geothermal resources in the Pohang area, Korea, Proceedings of the 7th SEGJ International Symposium, 55-60.
• Tae Jong Lee, Yoonho Song, Toshihiro Uchida, Yuji Mitsuhata, Seokhoon Oh and Gerald B. Graham, 2004, Sea effect in three-dimensional magnetotelluric survey: An application to geothermal exploration in Pohang, Korea, Proceedings of the 7th SEGJ International Symposium, 279-282.
• Ki Ha Lee, Hee Joon Kim and Toshihiro Uchida, 2005, Electromagnetic fields in a steel-cased borehole, Geophysical Prospecting, v. 53, 12-21.
• Toshihiro Uchida, Yoonho Song, Tae Jong Lee, Yuji Mitsuhata, Seong Kon Lee and Seong-Keun Lim, 2005, 3D magnetotelluric interpretation in Pohang low-enthalpy geothermal area, Korea, Proceedings of the 17th Workshop on Electromagnetic Induction in the Earth (www.geophysics.dias.ie/mtnet/), 1-6.
• Toshihiro Uchida, 2005, Three-dimensional magnetotelluric investigation in geothermal fields in Japan and Indonesia, Proceedings of World Geothermal Congress 2005 (CD), 1-12
• Toshihiro Uchida, Yoonho Song, Tae Jong Lee, Yuji Mitsuhata, Seong-Keun Lim and Seong Kon Lee, 2005, 3D magnetotelluric interpretation for low-enthalpy geothermal resources in the Pohang area, Korea, Proceedings of World Geothermal Congress 2005 (CD), 1-9
• Tae Jong Lee, Yoonho Song and Toshihiro Uchida, 2005, Two-dimensional interpretation of far-remote reference magnetotelluric data for geothermal application, Mulli-Tamsa (Geophysical Exploration), v. 8, 145-155.  
• Tae Jong Lee and Toshihiro Uchida, 2005, Electromagnetic traveltime tomography: Application for reservoir characterization in the Lost Hills oil field, California, Geophysics, v. 70, no. 3, G51-G58.
• Yuji Mitsuhata, Toshihiro Uchida, Koichi Matsuo, Atsunao Marui, Kinichiro Kusunose, 2005, An investigation of saline water distribution in a coastal plain by various electromagnetic methods, Near Surface 2005 Extended Abstracts (CD-ROM), 1-4.

Toshihiro Uchida, PhD
Exploration Geophysics Research Group
Institute for Geo-Resources and Environment (GREEN)
Geological Survey of Japan (GSJ), AIST
1-1-1 Higashi, No. 7, Tsukuba 305-8567, Japan
E-mail:
Fax: +81-298-61-3618

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