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List of Papers
Jun Nishijima Last modified date：2024.04.05

Associate Professor / Earth Science and Technology / Department of Earth Resources Engineering / Faculty of Engineering


Papers
1. Awaleh Moktar Bileh, Jun Nishijima, Delineation of geological structures of Arta geothermal prospect in Djibouti based on the gravity data analysis and interpretation, Geothermics, 117, 102894, 2024.02.
2. Philip Omollo, Jun Nishijima, Inception of time-lapse micro-gravity monitoring of the great Olkaria geothermal field, Kenya, Geothermics, 117, 102891, 2024.02.
3. Rezkia Dewi Andajani, Takeshi TSUJI, Tatsunori Ikeda, Satoshi Matsumoto, Keigo Kitamura, Jun Nishijima, Tracking supercritical geothermal fluid distribution from continuous seismic monitoring, Scientific Reports, 13, 1, 8370, 2023.05.
4. Philip Omollo, Jun Nishijima, Analysis and Interpretation of the gravity data to delineate subsurface structural geometry of the Olkaria geothermal reservoir, Kenya, Geothermics, 110, 102663, 2023.05.
5. Philip OMOLLO, Jun NISHIJIMA, Analysis of the Olkaria Geothermal Reservoir Internal Structure from 3D Gravity Models, Proceedings of International Symposium on Earth Science and Technology 2022, 168-173, 2022.12.
6. Kotaro SHINOZAKI, Tatsuya WAKEYAMA, Jun NISHIJIMA, Agent-based Model Analysis on the Consensus Building of Geothermal Development from the Viewpoint of Individual Rationality, Proceedings of International Symposium on Earth Science and Technology 2022, 157-161, 2022.12.
7. Philip Omollo, Jun Nishijima, Yasuhiro Fujimitsu and Kazuki Sawayama, Resistivity structural imaging of the Olkaria Domes geothermal field in Kenya using 2D and 3D MT Data inversion, Geothermics, DOI:10.1016/j.geothermics.2022.102414, 103, 2, 102414, 2022.07.
8. Mohamed Belhai, Yasuhiro Fujimitsu, Rosa María Barragán, Tatsuto Iwanaga, Mamiko Maeno, Brahim Ayad, Fatima Zohra Bouchareb-Haouchine, Jun Nishijima, Djelloul Belhai, Abdelhamid Haouchine, Insights into geochemical characteristics of the geothermal fluids of northwestern algeria: An updated conceptual model, Geothermics, 10.1016/j.geothermics.2021.102304, 99, 102304, 2022.02.
9. Philip OMOLLO, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Unraveling the Subsurface Architectural Design of the Olkaria Geothermal Reservoir Using 2D and 3D MT Data Inversion, 136-142, 2021.12.
10. Aiko Endo, Makoto Yamada, Kenshi Baba, Yuji Miyashita, Ryo Sugimoto, Akira Ishii, Jun Nishijima, Masahiko Fujii, Takaaki Kato, Hideki Hamamoto, Michinori Kimura, Terukazu Kumazawa, Naoki Masuhara, Hisami Honda, Methodology for Nexus Approach Toward Sustainable Use of Geothermal Hot Spring Resources, Frontiers in Water, 10.3389/frwa.2021.713000, 3, Article 713000, 2021.10.
11. Yohei Morifuji, Yasuhiro Fujimitsu,　Jun Nishijima, Md. Bodruddoza Mia, Shuto Onizuka, Analysis of Heat Discharge Rate in Geothermal Areas Using Remote Sensing Techniques: Case Study of Unzen Geothermal Area, Japan; Papandayan and Tangkuban Perahu Geothermal Area, Indonesia, Pure and Applied Geophysics, 178, 2, 2241-2256, 2021.07.
12. Dejene Mulugeta Bekele, Yasuhiro Fujimitsu, Jun Nishijima, Hakim Saibi, Interpretation of gravity data to delineate the subsurface structures and reservoir geometry of the Aluto–Langano geothermal field, Ethiopia, Geothermics, 10.1016/j.geothermics.2021.102093, 94, 102093, 2021.07.
13. Justus Maithya, Yasuhiro Fujimitsu, Jun Nishijima, Analysis of gravity data to delineate structural features controlling the Eburru geothermal system in Kenya, Geothermics, 10.1016/j.geothermics.2019.101795, 85, 2020.05.
14. Jack C. McCubbine, Vaughan Stagpoole, Fabio Caratori Tontini, Will E. Featherstone, Matt C. Garthwaite, Nicholas J. Brown, Matt J. Amos, Yoichi Fukuda, Takahito Kazama, Hiroshi Takiguchi, Jun Nishijima, Evaluating temporal stability of the New Zealand quasigeoid following the 2016 Kaikōura earthquake using satellite radar remote sensing, Geophysical Journal International, 10.1093/gji/ggz536, 220, 3, 1917-1927, 2020.03.
15. Aiko Endo, Makoto Yamada, Yuji Miyashita, Ryo Sugimoto, Akira Ishii, Jun Nishijima, Masahiko Fujii, Takaaki Kato, Hideki Hamamoto, Michinori Kimura, Terukazu Kumazawa, Jiaguo Qi, Dynamics of water–energy–food nexus methodology, methods, and tools, Current Opinion in Environmental Science & Health, 10.1016/j.coesh.2019.10.004, 13, 46-60, 2020.02.
16. Carlos Pocasangre, Yasuhiro Fujimitsu, Jun Nishijima, Interpretation of gravity data to delineate the geothermal reservoir extent and assess the geothermal resource from low-temperature fluids in the Municipality of Isa, Southern Kyushu, Japan, Geothermics, 10.1016/j.geothermics.2019.101735, 83, 2020.01.
17. Hiroki SHIMADA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Geothermal Structure in the Western Part of Kirishima Volcano, Proceedings of International Symposium on Earth Science and Technology 2019, 516-519, 2019.12.
18. Kentaro SHIMODA, Jun NISHIJIMA and Yasuhiro FUJIMITSU, Monitoring geothermal reservoir by measuring gravity change in Ogiri geothermal area, Proceedings of International Symposium on Earth Science and Technology 2019, 512-515, 2019.12.
19. Ryosuke TSUTSUI, Jun NISHIJIMA and Yasuhiro FUJIMITSU, Subsurface structure analysis in Beppu area by gravity survey to clarify of hot spring eruption mechanism, Proceedings of International Symposium on Earth Science and Technology 2019, 508-511, 2019.12.
20. Tetsuya YAMAMOTO, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Research on improving accuracy of heat discharge estimation system by observing fumarolic gas, Proceedings of International Symposium on Earth Science and Technology 2019, 504-507, 2019.12.
21. Ryo TODA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Study on elucidation of hydrothermal system around Shishimuta caldera, Proceedings of International Symposium on Earth Science and Technology 2019, 501-503, 2019.12.
22. Soshi KAMITAKI, Yasuhiro FUJIMITSU, Jun NISHIJIMA and Tatsuya WAKEYAMA, A study on detection of anomalous groundwater level using Machine Learning, Proceedings of International Symposium on Earth Science and Technology 2019, 462-465, 2019.12.
23. Justus MAITHYA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Three-Dimensional Gravity Modeling for Imaging the Geothermal Reservoir Border in Eburru
Geothermal Field, Kenya, Proceedings of International Symposium on Earth Science and Technology 2019, 13-18, 2019.12.
24. Isaack Kanda, Yasuhiro Fujimitsu, Jun Nishijima, Geological structures controlling the placement and geometry of heat sources within the Menengai geothermal field, Kenya as evidenced by gravity study, Geothermics, 10.1016/j.geothermics.2018.12.012, 79, 67-81, 2019.05.
25. Md Bodruddoza Mia, Yasuhiro Fujimitsu, Jun Nishijima, Exploration of hydrothermal alteration and monitoring of thermal activity using multi-source satellite images
A case study of the recently active Kirishima volcano complex on Kyushu Island, Japan, Geothermics, 10.1016/j.geothermics.2019.01.006, 79, 26-45, 2019.05.
26. Yoichi Fukuda, Hiroshi Takiguchi, Takahito Kazama, Jun Nishijima, Sergei Gulyaev, Tim Natusch, Matt Amos, Vaughan Stagpoole, Christopher Pearson, New absolute gravity measurements in New Zealand, International Association of Geodesy (IAG) symposium “Gravity, Geoid and Height Systems 2016”, GGHS 2016 International Symposium on Gravity, Geoid and Height Systems 2016 - Proceedings Organized by IAG Commission 2 and the International Gravity Field Service, 10.1007/1345_2017_18, 148, 95-101, 2019.01.
27. Md Bodruddoza Mia, Yasuhiro Fujimitsu, Jun Nishijima, Monitoring thermal activity of the beppu geothermal area in Japan using multisource satellite thermal infrared data, Geosciences (Switzerland), 10.3390/geosciences8080306, 8, 8, 2018.08.
28. Yoshiyuki MIZUSAWA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Gravity Changes as a Matching Parameter of 3D Numerical Simulation in Kuju Iwoyama, Proceedings of International Symposium on Earth Science and Technology 2018, 579-582, 2018.11.
29. Carlos POCASANGRE, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Three-dimensional Gravity modeling for Defining the Underground Volume of the Hydrothermal Alteration Zone in the Eastern Part of Isa City, Kagoshima Prefecture, Proceedings of International Symposium on Earth Science and Technology 2018, 42-47, 2018.11.
30. Carlos POCASANGRE, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Utilization of Gravity Data for Figuring Out both the Hydrothermal Alteration Zone and the Underground Structure so that Possible Geothermal Exploitation in the Municipality of Isa, Japan, Proceedings of 13th Society of Exploration Geophysicists of Japan (SEGJ) International Symposium, CD-ROM, 2018.11.
31. Md Bodruddoza Mia, Yasuhiro Fujimitsu, Jun Nishijima, Monitoring of thermal activity at the Hatchobaru-Otake geothermal area in Japan using multi-source satellite images-with comparisons of methods, and solar and seasonal effects, Remote Sensing, 10.3390/rs10091430, 10, 9, 2018.09.
32. Jun NISHIJIMA, Daisuke YANAI and Yasuhiro FUJIMITSU, A Density Structure Inferred from Airborne Gravity Gradiometry Data in Kuju Geothermal Field, Central Kyushu, Japan, Proceedings of Grand Renewable Energy 2018, P-Ge-5, 4p, CD-ROM, 2018.06.
33. Md. Bodruddoza MIA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Exploration and Monitoring of Hatchobaru-Otake Geothermal Field Using Aster Satellite Images, Proceedings of Grand Renewable Energy 2018, P-Ge-4, 4p, CD-ROM, 2018.06.
34. Yasuhiro FUJIMITSU and Jun NISHIJIMA, Numerical Model of Futsukaichi Hot Springs, a Low-enthalpy Geothermal System in Japan
, Proceedings of Grand Renewable Energy 2018, O-Ge-1-3, 4p, CD-ROM, 2018.06.
35. Md Bodruddoza Mia, Yasuhiro Fujimitsu, Jun Nishijima, Thermal Activity Monitoring of an Active Volcano Using Landsat 8/OLI-TIRS Sensor Images
A Case Study at the Aso Volcanic Area in Southwest Japan, Geosciences (Switzerland), 10.3390/geosciences7040118, 7, 4, 2017.12.
36. Kazuho SAKATA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, A Conceptual Model of Fluid Flow within the Oguni Area Incorporating Gravity and Other Survey Data in GIS Software, Proceedings of International Symposium on Earth Science and Technology 2017, 592-595, 2017.12.
37. Kensho OTA, Jun NISHIJIMA, Shinji OHSAWA, Yasuhiro FUJIMITSU and Toru MOGI, Numerical Modeling to Evaluate the Sustainability of the Hot Spring Resources of the Beppu Geothermal Area in Southeastern Japan, Proceedings of International Symposium on Earth Science and Technology 2017, 746-749, 2017.12.
38. Jun Nishijima, Kento Naritomi, Interpretation of gravity data to delineate underground structure in the Beppu geothermal field, central Kyushu, Japan, Journal of Hydrology: Regional Studies, 10.1016/j.ejrh.2015.11.022, 11, 84-95, 2017.06.
39. Takashi ZAIZEN, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Subsurface Structure in Oita Hot Spring Area Inferred from Gravity Data, Eastern Kyushu, Japan, Proceedings of 42nd Workshop on Geothermal Reservoir Engineering Stanford University, 2017.02.
40. M. Belhai, Yasuhiro Fujimitsu, Jun Nishijima, M. Bersi, Hydrochemistry and gas geochemistry of the northeastern Algerian geothermal waters, Arabian Journal of Geosciences, 10.1007/s12517-016-2790-2, 10, 1, 2017.01.
41. Yoichi Fukuda, Jun Nishijima, Yayan Sofyan, Makoto Taniguchi, Mahmud Yusuf, Hasanuddin Z. Abidin, Application of A10 absolute gravimeter formonitoring land subsidence in Jakarta, Indonesia, Proceedings of the International Symposium on Geodesy for Earthquake and Natural Hazards, GENAH 2014 International Symposium on Geodesy for Earthquake and Natural Hazards (GENAH) - Proceedings of the International Symposium on Geodesy for Earthquake and Natural Hazards (GENAH), 10.1007/1345_2016_221, 145, 127-134, 2017.01.
42. Jun Nishijima, Yasuhiro Fujimitsu, Interpretation of gravity and gamma-ray spectrometry data in low temperature hydrothermal systems, southeastern part of Fukuoka, Japan, Acta Geophysica, 10.1515/acgeo-2016-0113, 64, 6, 2289-2304, 2016.12.
43. Jun Nishijima, C. Umeda, Yasuhiro Fujimitsu, J. Takayama, N. Hiraga, S. Higuchi, Repeat Absolute and Relative Gravity Measurements for Geothermal Reservoir Monitoring in the Ogiri Geothermal Field, Southern Kyushu, Japan, IOP Conference Series: Earth and Environmental Science, 10.1088/1755-1315/42/1/012004, 42, 1, 2016.10.
44. Mohamed Belhai, Yasuhiro Fujimitsu, Fatima Zohra Bouchareb-Haouchine, Abdelhamid Haouchine, Jun Nishijima, A hydrochemical study of the Hammam Righa geothermal waters in north-central Algeria, Acta Geochimica, 10.1007/s11631-016-0092-8, 35, 3, 271-287, 2016.09.
45. E. J. Wahyudi, Y. Fukuda, Jun Nishijima, M. Itakura, Performance Test of gPhone (#123, #126, and #127) in Kyoto and ITB Jatinangor, Journal of Physics: Conference Series, 10.1088/1742-6596/739/1/012033, 739, 1, 2016.09.
46. Mohamed Belhai, Yasuhiro Fujimitsu, Fatima Zohra Bouchareb-Haouchine, Tatsuto Iwanaga, Masami Noto, Jun Nishijima, Hydrogeochemical and isotope geochemical study of northwestern Algerian thermal waters, Arabian Journal of Geosciences, 10.1007/s12517-015-2252-2, 9, 3, 1-17, 2016.03.
47. Kazuya ISHITSUKA, Takeshi TSUJI, Toshifumi MATSUOKA, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Heterogeneous surface displacement pattern at the Hatchobaru Geothermal Field inferred from SAR interferometry time-series, International Journal of Applied Earth Observation and Geoinformation, doi:10.1016/j.jag.2015.07.006, 44, 95-103, 2016.02.
48. Density structure inferred from airborne gravity gradiometry survey data in the western part of Kirishima volcano
J. NISHIJIMA
BUTSURI-TANSA Graophysical Exploration.
49. Yayan Sofyan, Jun Nishijima, Yasuhiro Fujimitsu, Shin Yoshikawa, Tsuneomi Kagiyama, Takahiro Ohkura, The oscillation model of hydrothermal dynamics beneath Aso volcano, southwest Japan after small eruption on May 2011
A new understanding model using repeated absolute and relative gravity measurement, Journal of Volcanology and Geothermal Research, 10.1016/j.jvolgeores.2015.12.012, 310, 172-185, 2016.01.
50. K. NARITOMI, J. NISHIJIMA, S. OHSAWA, Y. FUJIMITSU, Monitoring of a hot spring aquifer using repeated microgravity measurements in the northern part of Beppu, Japan, Proc. 37th New Zealand Geothermal Workshop 2015, 2015.11.
51. Jun Nishijima, Yoichi Fukuda, Yayan Sofyan, Matomu Itakura, Eko Januari Wahyudi, Toshifumi Matsuoka, Repeat micro-gravity measurements using A10 absolute gravimeter for CO2 injection monitoring in Gundih gas field, Central JAVA, Indonesia, Proceedings of the 12th SEGJ International Symposium, 2015.11.
52. Md. Bodruddoza Mia, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Monitoring heat flow before and after eruption of Kuju fumaroles in 1995 using Landsat TIR images, Acta Geodaetica et Geophysica, 10.1007/s40328-014-0075-3, 50, 3, 295-305, 2015.09.
53. Y. SOFYAN, J. NISHIJIMA, Y. FUJIMITSU, Y. FUKUDA, M. TANIGUCHI, Hybrid gravimetry for optimization time lapse monitoring data: A case study in Kamojang Geothermal Field, Proc. the World Geothermal Congress 2015, 2015.04.
54. Y. FUJIMITSU, Y. ITO, J. NISHIJIMA, D. OKA, Numerical modeling of hydrothermal systems around Kuju volcanic field -an attempt of numerical modeling for a broad geothermal system-, Proc. the World Geothermal Congress 2015, 2015.04.
55. M. BELHAI, Y. FUJIMITSU, F. Z. BOUCHAREB-HAOUCHINE, J. NISHIJIMA, Geology, geothermometry, isotopes and gas chemistry of the northern Algerian geothermal system, Proc. the World Geothermal Congress 2015, 2015.04.
56. J. NISHIJIMA, D. OKA, S. Higuchi, Y. FUJIMITSU, J. TAKAYAMA, N. HIRAGA, Repeat microgravity measurements using absolute and relative gravimeter for geothermal reservoir monitoring in Ogiri geothermal power plant, south Kyushu, Japan, Proc. the World Geothermal Congress 2015, 2015.04.
57. A. SETYAWAN, H. YUDIANTO, J. NISHIJIMA, Hakim SAIBI, Horizontal gradient analysis for gravity and magnetic data beneath Gedongsongo geothermal manifestations, Ungaran, Indonesia, Proc. the World Geothermal Congress 2015, 2015.04.
58. Agus Setyawan, Yoichi Fukuda, Jun Nishijima, Takahito Kazama, Detecting Land Subsidence Using Gravity Method in Jakarta and Bandung Area, Indonesia, 10.1016/j.proenv.2015.01.004, 23, 17-26, 2015.02.
59. Yayan Sofyan, Yunus Daud, Jun NISHIJIMA, Yasuhiro Fujimitsu, Yustin Kamah, Ahmad Yani, Yoichi Fukuda, Makoto Taniguchi, The first repeated absolute gravity measurement for geothermal monitoring in The Kamojang Geothermal Field, Indonesia, Geothermics, 10.1016/j.geothermics.2014.05.002, 53, January, 114-124, 2015.01.
60. Md. Bodruddoza MIA, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Exploration and monitoring geothermal activity using Landsat ETM + images, Journal of Volcanology and Geothermal Research, 275, 14-21, 2014.04.
61. Yayan SOFYAN, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Shin YOSHIKAWA, Tsuneomi KAGIYAMA, Monitoring Geothermal Activity at Aso Volcano, Japan, After Small Eruption in May 2011, Proceedings of 38th Workshop on Geothermal reservoir Engineering, 2014.02.
62. Yuuka KAWABUCHI, Yasuhiro Fujimitsu, Jun NISHIJIMA, A Reservoir Monitoring Using Repeat Microgravity Measurements at Ohaaki Geothermal Field, Special Issue of the School on the Move in AJ-BCEP, 73-74, 2013.12.
63. Yusaku YONEKURA, Yasuhiro Fujimitsu, Jun NISHIJIMA, Interpretation of the Hydrothermal System in Southwestern Part of Kirishima Volcano, Special Issue of the School on the Move in AJ-BCEP, 1-2, 2013.12.
64. Koichiro DOI, Hideaki HAYAKAWA, Takahito KAZAMA, Toshihiro HIGASHI, Shingo OHSONO, Yoichi FUKUDA, Jun NISHIJIMA, Yuichi AOYAMA, Junichi UEDA, Field Measurements of Absolute Gravity in East Antarctica, Advances in Polar Science, 24, 4, 339-343, 2013.12.
65. Takahito KAZAMA, Hideaki HAYAKAWA, Toshihiro HIGASHI, Shingo OHSONO, Shunsuke IWANAMI, Tomoko HANYU, Harumi OHTA, Koichiro DOI, Yuichi AOYAMA, Yoichi FUKUDA, Jun NISHIJIMA, Kazuo SHIBUYA, Gravity measurements with a portable absolute gravimeter A10 in Syowa Station and Langhovde, East Antarctica, POLAR SCIENCE, 10.1016/j.polar.2013.07.001, 7, 3-4, 260-277, 2013.09.
66. Satoru HIGUCHI, Jun Nishijima, Yasuhiro Fujimitsu, Integration of Geothermal Exploration Data and Numerical Simulation Data Using GIS in a Hot Spring Area, Procedia Earth and Planetary Science, 6, 177-186, 2013.03.
67. Daisuke OKA, Yasuhiro Fujimitsu, Jun Nishijima, Yoichi FUKUDA, Makoto Taniguchi, Mass Balance from Gravity in the Takigami Geothermal Reservoir, Oita Prefecture, Japan, Procedia Earth and Planetary Science, 6, 145-154, 2013.03.
68. Satoru HIGUCHI, Jun Nishijima, Yasuhiro Fujimitsu, Integration of Geothermal Exploration Data and Numerical Simulation Data Using GIS in a Hot　Spring Area, Proceedings of International Symposium on Earth Science and Technology 2012, 191-196, 2012.12.
69. Taiki ARIMA, Yasuhiro Fujimitsu, Jun Nishijima, Estimation of Subsurface Structure in Western Fukuoka City from Gravity Data, Proceedings of International Symposium on Earth Science and Technology 2012, 171-176, 2012.12.
70. Daisuke OKA, Yasuhiro Fujimitsu, Jun Nishijima, Yoichi FUKUDA, Makoto Taniguchi, Mass Balance from Gravity in the Takigami Geothermal Reservoir, Oita Prefecture, Japan, Proceedings of International Symposium on Earth Science and Technology 2012, 157-162, 2012.12.
71. Y. SOFYAN , S. Yoshikawa, J. Nishijima, Y. Fukuda, T. Kagiyama, T. Kazama and D. Oka, Preliminary result of gravity monitoring on Aso volcanic field, central Kyushu, 九大地熱・火山研究報告, 20, 97-104, 2012.03.
72. Mohamed Abdel ZAHER, Hakim SAIBI, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Hany MESBAH and Sachio EHARA, Exploration and assessment of the geothermal resources in the Hammam Faraun hot spring, Sinai Peninsula, Egypt, Journal of Asian Earth Sciences, 10.1016/j.jseaes.2011.11.007, 45, 2, 256-267, 2012.02.
73. Yayan SOFYAN, Yunus DAUD, Supriyanto SUPARNO, Ahmad YANI, Tommy HERDIANSYAH, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Sachio EHARA and Yoichi FUKUDA, Declined Mass Trends of Unbalanced Production to Recharge Activity in Kamojang Geothermal Field, Indonesia: a Continuous Monitoring with Hybrid Gravimetry, 37th Stanford Geothermal Workshop, 1182-1188, 2012.01.
74. Daisuke OKA, Yasuhiro FUJIMITSU, Jun NISHIJIMA, Yoichi FUKUDA and Makoto TANIGUCHI, Evaluation of Geothermal Reservoir Mass Change from the Gravity Change at the Takigami Geothermal Area, Oita Prefecture, Japan, 37th Stanford Geothermal Workshop, 74-81, 2012.01.
75. Yayan Sofyan, Yustin Kamah, Jun Nishijima, Yasuhiro Fujimitsu, Sachio Ehara, Yoichi Fukuda, Makoto Taniguchi, Mass variation in outcome to high production activity in Kamojang Geothermal Field, Indonesia: A reservoir monitoring with relative and absolute gravimetry, Earth, Planets and Space, 10.5047/eps.2011.07.005, 2011.11.
76. Mohamed Abdel ZAHER, Jun NISHIJIMA, Hakim SAIBI, Gad EL-QADY, Usama MASSOUD, Mamdouh SOLIMAN, Abdellatif YOUNIS and Sachio EHARA, A Coastal Aquifer Study Using Magnetotelluric and Gravity Methods in Abo Zenema, Egypt, PURE AND APPLIED GEOPHYSICS, 10.1007/s00024-011-0407-y, 2011.09.
77. Yasuhiro FUJIMITSU and Jun NISHIJIMA, Exploration of Non-volcanic Hydrothermal Systems in Fukuoka Prefecture, Japan, by Gravity Surveys, 日本地熱学会誌, 33, 2, 87-92, 2011.04.
78. Hakim SAIBI, Essam ABOUD, Agus SETYAWAN, Sachio EHARA and Jun NISHIJIMA, Gravity data analysis of Ungaran Volcano, Indonesia, Arabian Journal of Geosciences, 10.1007/s12517-011-0303-x, 2011.03.
79. Mohamed ABDELZAHER, Jun NISHIJIMA, Gad EL-QADY, Essam ABOUD, Osama MASOUD, Mamdoh SOLIMAN and Sachio EHARA, Gravity and magnetotelluric investigations to elicit the origin of Hammam Faraun Hot Spring, Sinai Peninsula, Egypt, ACTA GEOPHYSICA, 10.2478/s11600-011-0006-4, 59, 3, 633-656, 2011.03.
80. Mohamed Abdel ZAHER, Jun NISHIJIMA and Sachio EHARA, Geophysical investigation of saline water intrusion into freshwater aquifers in coastal area: A case study of Abo Zenema, Gulf of Suez, Egypt, Proceedings of International Symposium on Earth Science and Technology 2010, 67-72, 2010.12.
81. Jun NISHIJIMA, Yasuhiro FUJIMITSU, Yayan SOFYAN, Yoichi FUKUDA, Takashi HASEGAWA and Makoto TANIGUCHI, A geothermal reservoir monitoring using an absolute gravity measurement around Takigami geothermal power plant, central Kyushu, Japan, RENEWABLE ENERGY 2010 Proceedings (CD-ROM), 2010.10.
82. Yayan SOFYAN, Yunus DOUD, Yustin KAMAH, Jun NISHIJIMA, Yasuhiro FUJIMITSU and Sachio EHARA, Combined repeat gravity measurement and numerical simulation for geothermal sustainability monitoring -An application to the Kamojang geothermal field-, RENEWABLE ENERGY 2010 Proceedings (CD-ROM), 2010.10.
83. Yasuhiro FUJIMITSU and Jun NISHIJIMA, Exploration of non-volcanic hydrothermal systems in Fukuoka prefecture, Japan, by gravity surveys, RENEWABLE ENERGY 2010 Proceedings (CD-ROM), 2010.10.
84. Mohamed Abdel ZAHER, Jun NISHIJIMA and Sachio EHARA, Geophysical evidence on the geothermal potential of Hammam Faraun hot spring, Sinai Peninsula, Egypt, RENEWABLE ENERGY 2010 Proceedings (CD-ROM), 2010.10.
85. Yoichi FUKUDA, Jun NISHIJIMA and Makoto TANIGUCHI, Applications of Absolute Gravity Measurements for Environmental Issues, Peoceedings of 5th International Conference on Physics and Its Application, 85-88, 2010.07.
86. Jun Nishijima, Hakim Saibi, Yayan Sofyan, Sachio Shimose, Yasuhiro Fujimitsu, Sachio Ehara, Yoichi Fukuda, Takashi Hasegawa and Makoto Taniguchi, Reservoir Monitoring Using Hybrid Micro-Gravity Measurements in the Takigami Geothermal Field, Central Kyushu, Japan, Proceedings of the World Geothermal Congress 2010, 2010.04.
87. Sachio Ehara and Jun Nishijima, Sustainable Development of Geothermal Energy-A Case Study of Hatchobaru Geothermal Field, Central Kyushu, Japan-, Proceedings of the World Geothermal Congress 2010, 2010.04.
88. Agus Setyawan, Sachio Ehara, Yasuhiro Fujimitsu and Jun Nishijima, An Estimate of the Resources Potential of Ungaran Geothermal Prospect for Indonesia Power Generation, Proceedings of the World Geothermal Congress 2010, 2010.04.
89. Densed gravity survey around Kego fault, Fukuoka city

Chikyu monthly

Vol. 32, No. 4, 251-257.
90. A10 absolute gravimeter and potential applications

Chikyu monthly

Vol. 32, No. 4, 264-270.
91. Y Sofyan, Y Daud, Y Kamah, H Saibi, J Nishijima, Y Fujimitsu, S Ehara, Monitoring of Mass Balance Model During Production Capacity Increase at Kamojang Geothermal Field, Indonesia, Proceedings of the 34th Annual Workshop Geothermal Reservoir Engineering, Stanford Geothermal Workshop California, USA, 2010.02.
92. A Terrain Correction Program Using 50m Mesh Digital Elevation Data

Jun NISHIJIMA

GEOTHERMAL AND VOLCANOLOGICAL RESEARCH REPORT OF KYUSHU UNIVERSITY.
93. Densely-arranged gravity surveys of Tagawa fault in Oto town, Fukuoka, Japan

Yasuhiro FUJIMITSU, Jun NISHIJIMA and Atsushi YAMASHITA

Geothermal and volcanological research report of Kyushu university.
94. Underground structure deduced from the densed gravity survey at northeastern part of Fukuoka city

Yuki FUKUI, Jun NISHIJIMA and Yasuhiro FUJIMITSU

Geothermal and volcanological research report of Kyushu University.
95. Yousefi HOSSEIN, Younes NOOROLLAHI, Sachio EHARA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Developing the geothermal resources map of Iran, Geothermics, Online 12p, 2009.11.
96. Estimation of underground structure using densed gravity survey at northeastern part of Fukuoka city

Yuki FUKUI, Jun NISHIJIMA and Yasuhiro FUJIMITSU

.
97. Present status of geothermal energy development in Japan and its new perspectives

Sachio EHARA and Jun NISHIJIMA

Journal of the resources processing society of Japan, Vol. 56, pp. 188-193.
98. Agus SETYAWAN, Sachio EHARA, Yasuhiro FUJIMITSU, Jun NISHIJIMA, Hakim SAIBI and Essam ABOUD, The gravity anomaly of Ungaran volcano, Indonesia: Analysis and interpretation, 日本地熱学会誌, 31, 2, 107-116, 2009.04.
99. Yoichi FUKUDA, Keiko YAMAMOTO, Takashi HASEGAWA, Toshiyuki NAKAEGAWA, Jun NISHIJIMA and Makoto TANIGUCHI, Monitoring groundwater variation by satellite and implications for in-situ gravity measurements, Science of The Total Environment, Volume 407, Issue 9, Pages 3173-3180, 2009.04.
100. Sachio EHARA and Jun NISHIJIMA, Deterministic Earthquake Prediction Deduced from Changes in Groundwater Level –A Case Study of the 2005 West off Fukuoka Prefectural Earthquake (M7.0), Japan-, Proceedings of Geo-hazard and Geo-disaster Mitigation, RC-GeoEnvi2009, Kuala Lumpur, Malaysia, pp.26-31, 2009.03.
101. Possibility of Earthquake Prediction at Fukuoka Area, Southwestern Japan Based on the Changes in Groundwater Level（Part 2）Restructuring of a Strategy of Deterministic Earthquake Prediction

Sachio EHARA, Jun NISHIJIMA, Yasuhiro FUJIMITSU, Shinsuke MAESHIBA and Yoshiaki MATSUO

Western Regional Division Report of Natural Disaster Research Council, No.33, pp.63-66,
February, 2009.
102. Hideki HAMAMOTO, Makoto YAMANO, Shin KAMIOKA, Jun NISHIJIMA, Monyrath VUTHY, Shusaku GOTO, Makoto TANIGUCHI, Estimation of the past ground surface temperature change from borehole temperature data in the Bangkok area for studies of human impacts on climatic change in East Asia, From Headwaters to the Ocean Hydrological Change and Water Management, 535-539, 2008.09.
103. Hakim SAIBI, Agus SETYAWAN, Essam ABOUD, Didit H. BARIANTO, Jun NISHIJIMA and Sachio EHARA, Relationship between the Locations of Hot Springs and the Deduced Subsurface Structure from Gravity Data Analysis in Ungaran Volcano (Indonesia), Proceedings of 30th New Zealand Geothermal Workshop 2008, pp.167-173, 2008.11.
104. Sachio EHARA and Jun NISHIJIMA, Sustainable Development of Geothermal Energy -A Case Study of Hatchobaru Geothermal Field, Central Kyushu, Japan-, Proceedings of 30th New Zealand Geothermal Workshop 2008, pp.151-154, 2008.11.
105. Hideki HAMAMOTO, Makoto YAMANO, Shin KAMIOKA, Jun NISHIJIMA, M. VUTHY, Shusaku GOTO and Makoto TANIGUCHI, Estimation of the Past Ground Surface Temperature Change from Borehole Temperature Data in the Bangkok Area, HydroChange 2008, Proceedings of HydroChange 2008, CD-ROM, 2008.10.
106. Hakim　Saibi,Jun　Nishijima,Tomohiro　Hirano,Yasuhiro　Fujimitsu,and　Sachio　Ehara, Relation　between　structure　and　low-temperature　geothermal　systems　in　Fukuoka　city,　southwestern　Japan, Earth　Planets　Space, Vol.60,　821–826, 2008.09.
107. Agus SETYAWAN, Sachio EHARA, Yasuhiro FUJIMITSU, Jun NISHIJIMA, Koichiro FUKUOKA and Hakim SAIBI, Integrated Geophysical Surveys of Ungaran Volcano: Understanding the Hydrothermal System, The 2nd International Workshop and Conference on Earth Resource Technology: Stepping Towards Sustainable Mining, Metallurgical and Petroleum Technology Development, Chulalongkorn University, Bangkok, Thailand, pp.14-19, 2008.04.
108. Possibility of Earthquake Prediction at Fukuoka Area, Southwestern Japan Based on the Changes in Groundwater Level

Sachio EHARA, Koichiro FUKUOKA, Yoshiaki MATSUO, Yasuhiro FUJIMITSU and Jun NISHIJIMA

Western Regional Division Report of Natural Disaster Research Council, No.32, pp.37-40, February, 2008.
109. Yoichi FUKUDA, Keiko YAMAMOTO, Satoshi UENO, Jun NISHIJIMA and Toshiyuki NAKAEGAWA, Monitoring Groundwater Variations in Urban Areas Using Modern Geodetic Techniques, Groundwater Management and Related Water Resources Issues in the Southeast Asia and East Asia Region, 21-25, 2008.01.
110. Agus SETYAWAN, Jun NISHIJIMA, Hakim SAIBI, Essam ABOUD and Sachio EHARA, Structure of Ungaran Volcano from Gravity Data, roceedings of 5th International Symposium on Earth Science and Technology, pp.131-138, 2007.11.
111. Keiko YAMAMOTO, Yoichi FUKUDA, Toshiyuki NAKAEGAWA, and Jun NISHIJIMA, Landwater variation in four major river basins of the Indochina peninsula as revealed by GRACE, Earth Planets Space, Vol. 59, No. 4, pp. 193-200, 2007.04.
112. Agus SETYAWAN, Sachio EHARA, Jun NISHIJIMA, Hakim SAIBI and Wahyudi, Gravity Study of Ungaran Volcano, Central Java, Indonesia, Proceedings of International Workshop on Earth Resources Technology, pp.41-45, 2007.04.
113. Jun NISHIJIMA, Yasuhiro FUJIMITSU and Sachio EHARA, Geothermal Reservoir Monitoring Using Repeat Gravity Measurement at Takigami Geothermal Field, Central Kyushu, Japan, RENEWABLE ENERGY 2006 Proceedings (CD-ROM), pp.1601-1604, 2007.01.
114. Sachio EHARA and Jun NISHIJIMA, Possible Scenario Toward Sustainable Development of Geothermal Energy --Step by Step Increase in Capacity Based on Monitoring and Modeling of Geothermal Reservoir-, RENEWABLE ENERGY 2006 Proceedings (CD-ROM), pp.1540-1542, 2007.01.
115. Yasuhiro FUJIMITSU, Toshiharu KIDO, Jun NISHIJIMA and Sachio EHARA, High-Accuracy Estimation of Heat Discharge Rates from Unzen Geothermal Area, Japan, Using Infrared Imagery by a Helicopter-Borne Thermo-Camera, RENEWABLE ENERGY 2006 Proceedings (CD-ROM), pp.1557-1560, 2007.01.
116. Agus SETYAWAN, Sachio EHARA, Yasuhiro FUJIMITSU, Jun NISHIJIMA, Koichiro FUKUOKA and WAHYUDI, Preliminary Study Hydrothermal System of Ungaran Volcano, Indonesia, Inferred from Geophysical Surveys, Proceedings of 4th International Workshop on Earth Science and Technology, pp.163-168, 2006.12.
117. SURYANTINI, Jun NISHIJIMA, Sachio EHARA and Aris SUSILO, Gravity Study of Jatibarang Sub-basin and Surrounding Area; Implication to Heat Flow Map of Onshore North West Java Basin, Indonesia, Proceedings of 4th International Workshop on Earth Science and Technology, pp.321-328, 2006.12.
118. Hakim SAIBI, Sachio EHARA, Yasuhiro FUJIMITSU and Jun NISHIJIMA, Variations in Geothermometry and Chemical Composition of Hot Spring Fluids in the Obama Geothermal Field, Southwestern Japan, Proceedings of 4th International Workshop on Earth Science and Technology, pp.329-339, 2006.12.
119. Yasuhiro FUJIMITSU, Jun NISHIJIMA and Tomohiro HIRANO, Densely-arranged Gravity Survey in Fukuoka City, Japan -Relation between the Subsurface Structure and the Low Temperature Hydrothermal System of Fukuoka-, Proceedings of 28th New Zealand Geothermal Workshop 2006, CD-ROM, 2006.11.
120. Numerical Investigation on Cooling Process of a Magma Chamber in Geothermal System -Suggestion of a Numerical Model and Analysis of Early Cooling Process-

Mitsuo MATSUMOTO, Sachio EHARA, Yasuhiro FUJIMITSU and Jun NISHIJIMA

Journal of the Geothermal Resources Society of Japan, Vol. 28, No. 4, pp.413-430.
121. Progress of Geothermal Development in Algeria

Hakim SAIBI, Sachio EHARA, Yasuhiro FUJIMITSU and Jun NISHIJIMA

Journal of the Geothermal Resources Society of Japan, Vol. 28, No. 4, pp.383-397.
122. Estimation of Fault Structure Using Densed Gravity Survey Data at Fukuoka City

Jun NISHIJIMA, Tomohiro HIRANO and Yasuhiro FUJIMITSU

Proceedings of 115th conference of Society of Engineering Geophysicists Japan, pp.232-235.
123. SURYANTINI, Sachio EHARA and Jun NISHIJIMA, Preliminary Geothermal Gradient and Heat Flow Compilation from Western Java, Indonesia, Geothermal Resources Council Transactions, Vol. 30, pp.699-703, 2006.09.
124. Sachio EHARA, Koichiro FUKUOKA , Yasuhiro FUJIMITSU and Jun NISHIJIMA, Changes in Groundwater Level Prior to an Earthquake in the Off-shore Area West of Fukuoka Prefecture, Japan, on 20 March 2005 and Several Subsequent Large Aftershocks, Offering the Possibility of Deterministic Earthquake Prediction, Proceedings of the 3rd International Symposium and Exhibition on Earth Resources and Geological Engineering Education, CD-ROM, 2006.08.
125. Hakim SAIBI, Jun NISHIJIMA, Sachio EHARA and Essam ABOUD, Integrated gradient interpretation tequniques for 2D and 3D gravity data interpretation, Earth Planets and Space, Vol.58, No. 7, pp.815-821, 2006.07.
126. Hakim SAIBI, Jun NISHIJIMA, Essam ABOUD and Sachio EHARA, Euler deconvolution of gravity data in Geothermal Reconnaissance; the Obama geothermal area, Japan, 物理探査, 第59巻，第3号，pp.275-282, 2006.06.
127. Geothermal Fluid Flow Derived from Microseismic Observation -A Case Study of Kuju Volcanic Field, Central Kyushu, Japan-

Kenji KUBOTA, Jun NISHIJIMA, Yasuhiro FUJIMITSU and Sachio EHARA

Butsuri-Tansa (Geophysical Exploration), Vol. 59, No. 2, pp.181-192, April, 2006.
128. Densed Gravity Survey around the Kego fault, Fukuoka city

Jun NISHIJIMA, Tomohiro HIRANO and Yasuhiro FUJIMITSU

Geothermal and Volcanological Research Report of Kyushu University, No.14, pp.41-50.
129. Geophysical Observations at Kuju Volcano by KGVRS (1995-2005)

Yasuhiro FUJIMITSU, Jun NISHIJIMA, Koichiro FUKUOKA and Sachio EHARA

Geothermal and Volcanological Research Report of Kyushu University, No.14, pp.51-67.
130. Hakim SAIBI, Jun NISHIJIMA and Sachio EHARA, Reservoir Monitoring by Repeat Microgravity Measurement at Obama Geothermal Field, Southwestern Japan, 九大地熱・火山研究報告, 第14号，pp.27-31, 2005.12.
131. Possibility of Predictions for “the Fukuoka Earthquake” by Observation of Groundwater Level Change

Sachio EHARA, Koichiro FUKUOKA, Yasuhiro FUJIMITSU and Jun NISHIJIMA

News of Western Japan NDIC, No. 35, pp.9-16.
132. Yasuhiro FUJIMITSU, Toshiharu KIDO, Jun NISHIJIMA and Sachio EHARA, Estimation of Heat Discharge Rates from Unzen Geothermal Area, Japan, by Using the Heat Balance Technique, Proceedings of 27th New Zealand Geothermal Workshop 2005, 2005.10.
133. Changes in Groundwater before and after the Earthquake off Western Part of Fukuoka Prefecture on March 20, 2005

Sachio EHARA, Yasuhiro FUJIMITSU, Jun NISHIJIMA, Koichro FUKUOKA, Udi HARMOKO, Kenji KUBOTA, Mitsuo MATSUMOTO, Saibi HAKIM, SURYANTINI, Keiko FUJINO, Tukasa ENDO, Takasi, KURODA, YuichI NARASAKI, Toshiharu KIDO, Kotaro SAKEMI, Chisuga IDE, Shin KAMIOKA, Tomohiro HIRANO and Yudai YAMAMOTO

NEWS of WESTERN JAPAN NDIC, No.33, pp.13-18.
134. Earthquake off Western Part of Fukuoka Prefecture on March 20, 2005 and High Density Gravity Anomaly Map

Jun NISHIJIMA, Yasuhiro FUJIMITSU, Koichiro FUKUOKA and Sachio EHARA

NEWS of WESTERN JAPAN NDIC, NO.33, pp.19-22.
135. Jun NISHIJIMA and Yoichi FUKUDA, Gravity Changes due to Ground Water Level Changes at Bangkok, Thailand -Report of Preliminary Survey-, Proceedings of RIHN International Symposium on Human Impacts on Urban Subsurface Environments, pp.134-137, 2005.10.
136. Jun NISHIJIMA, Yasuhiro FUJIMITSU, Sachio EHARA, Etsuro KOUNO and Masao YAMAUCHI, Micro-Gravity Monitoring and Repeated GPS Survey at Hatchobaru Geothermal Field, Central Kyushu, Japan, Proceedings of World Geothermal Congress 2005, 2005.05.
137. Subsurface Structure of Kego Fault, Fukuoka, Inffered from Gravity Exploration (Part 2)

J. NISHIJIMA, Y. FUJIMITSU, S. EHARA, K. FUKUOKA, D. GEROVSKA, T. MOGI, M. KAWAGUCHI and T. KATO

Proceedings of the 107th SEGJ Conference
pp.158-161.
138. S. Ehara, Y. Fujimitsu, and J. Nishijima, Monitoring of a volcanic geothermal reservoir through multi-parameter measurements- a case study of the central part of Kuju volcano, Japan, Proceedings of 27th Workshop on Geothermal Reservoir Engineering, Stanford university, pp.379-381, 2002.01.
139. Y. FUJIMITSU, J. NISHIJIMA, Y. OBA and S. EHARA, Low Temperature Hydrothermal System in the Southern Area of Fukuoka City, Japan, Proceedings of 38th International Conference of Societe Internationale des Techniques Hydrothermales, pp.119-124, 2003.01.
140. M. OZAWA, K. FUKUOKA, J. NISHIJIMA, Y. FUJIMITSU, S. EHARA, Cooling of the Shallow Subsurface beneath Kuju Volcano, Central Kyushu, Japan Deduced from Geomagnetic Changes, Proceedings of 25th New Zealand Geothermal Workshop 2003, pp.127-130, 2003.01.
141. Study on Sustainable Development of Geothermal Energy from Geophysical Monitoring of Geothermal Reservoir
-A Case Study of Repeat Gravity Measurement-

S. EHARA and J. NISHIJIMA

Journal of the Geothermal Research Society of Japan
Vol. 26, No. 2, pp. 181-193.
142. Hakim SAIBI, Jun NISHIJIMA, Sachio EHARA, Yasuhiro FUJIMITSU and Koichiro FUKUOKA, Determination of Shallow Groundwater Level Change Using Repeat Gravity Measurements at the Central Part of Unzen Volcano (Nagasaki Prefecture, Japan) from 1999 to 2004, Proceedings of 30th Annual Workshop Geothermal Reservoir Engineering, Stanford Geothermal Workshop, 2005.01.
143. Hakim SAIBI, Jun NISHIJIMA and Sachio EHARA, Imaging of Subsurface Structure Beneath Obama Area, Japan Using Gravity Data, Extended Abstracts & Exhibitor’s Catalogue of 2nd North African/Mediterranean Petroleum & Geosciences Conference and Exhibition, 2005.04.
144. Sachio EHARA, Yasuhiro FUJIMITSU, Jun NISHIJIMA, Koichiro FUKUOKA and Masayuki OZAWA, Change in the Thermal State in a Volcanic Geothermal Reservoir beneath an Active Fumarolic Field after the 1995 Phreatic Eruption of Kuju Volcano, Japan, Proceedings of World Geothermal Congress 2005, 2005.05.
145. Bouguer Anomalies in Fukuoka Area, Kyushu, Japan

R. MORIJIRI, T. HIROSHIMA, M. KOMAZAWA, M. MAKINO, Y. MURATA, K. NAWA, J. NISHIJIMA and T. MOGI

Bulletin of the Geological Survey of Japan
Vol.53, No.7/8, pp.573-594.
146. J. NISHIJIMA, Y. FUJIMITSU, S. EHARA, T. MOTOYAMA and N. SHIMOSAKO, Reservoir Monitoring by Observation of Gravity Changes at the Takigami
Geothermal Field, Central Kyushu, Japan, Geothermal Resources Council Transactions, Vol. 23, pp.425-431, 1999.10.
147. J. NISHIJIMA, S. EHARA, Y. FUJIMITSU, T. MOTOYAMA, N. SHIMOSAKO, Y. NAKANO and K. YONESHIGE, Macroscopic Monitoring of Deep Underground Fluid Flow by Repeat Gravity Measurements, Groundwater Updates, 31-36, pp.31-36, 2000.05.
148. J. NISHIJIMA, Y. FUJIMITSU, S. EHARA and T. MOTOYAMA, Reservoir Monitoring by Observation of Gravity Changes at Some Geothermal
Fields in Kyushu, Japan, Proceedings of the World Geothermal Congress 2000, pp.1515-1520, 2000.05.
149. Gravity Monitoring of Geothermal Reservoirs in the Takigami Geothermal Field, Central Kyushu, Japan - Gravity Changes Caused by Production and Reinjection of Geothermal Fluids -

J. NISHIJIMA, N. SHIMOSAKO, T. MOTOYAMA, Y. FUJIMITSU, S. EHARA, K. IKEDA, C. AKASAKA, S. FURUYA, H. GOTOH and T. MOTOMATSU

Journal of the Geothermal Research Society of Japan
Vol. 22, No. 2, pp. 117-129.
150. J. NISHIJIMA, N. SAKAMURA, Y. FUJIMITSU, S. EHARA, GPS and Microgravity Monitoring at Hatchobaru Geothermal Field, Central Kyushu, Japan, Proc. 23rd New Zealand Geothermal Workshop 2001, pp.75-78, 2001.11.
151. surface Structure of Kego Fault, Fukuoka, Inffered from Gravity Exploration

J. NISHIJIMA, Y. FUJIMITSU, K. FUKUOKA, D. GEROVSKA, T. MOGI, M. KAWAGUCHI and T. KATO

Proceedings of the 105th SEGJ Conference
pp.156-157.
152. Repeat GPS and Gravity Measurements at Hatchobaru Geothermal Field

E. Kono, S. KUSABA, J. NISHIJIMA, Y. FUJIMITSU and S. EHARA

Proceedings of the 105th SEGJ Conference
pp.163-166.
153. J. NISHIJIMA, Y. FUJIMITSU and S. EHARA, Repeated Microgravity Observations, GPS Survey and Continuous Tilt Measurements in Kuju Volcano, Central Kyushu, Japan, Proceedings of the 24th New Zealand Geothermal Workshop 2002, pp. 159-164, 2002.11.


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