Evolution of geothermal systems of Merapi-Ungaran volcanic chain and geothermal resource assessment

2008 Fiscal Year Final Research Report

• Project/Area Number: 17404024
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 海外学術
• Research Field: Earth system and resources enginnering
• Research Institution: Kyushu University
• Principal Investigator: EHARA Sachio Kyushu University, 大学院・工学研究院, 教授 (10002346)
• Co-Investigator(Kenkyū-buntansha): ITOI Ryuuichi 九州大学, 大学院・工学研究院, 教授 (50108768) ; FUJIMITSU Yasuhiro 九州大学, 大学院・工学研究院, 准教授 (10264095) ; IMAI AKIRA 九州大学, 大学院・工学研究院, 准教授 (90223304) ; NISHIJIMA Jun 九州大学, 大学院・工学研究院, 助教 (40315114)
• Research Collaborator: UDI Harmoko 九州大学, 大学院・工学府, 大学院生 ; AGUS Setyawan 九州大学, 大学院・工学府, 大学院生 ; ARARAGI Kohtaro 九州大学, 大学院・工学府, 大学院生 ; NAGASE Daisuke 九州大学, 大学院・工学府, 大学院生 ; WAHYUDI インドネシア・ガジャマダ大学, 理学部, 講師
• Project Period (FY): 2005 – 2008
• Keywords: メラピ火山 / メルバブ火山 / ウンガラン火山 / 地熱系発達 / 熱水系 / 重力構造解析 / 地熱系モデリング / 地熱資源量評価

Research Abstract

インドネシア・ジャワ島中央部にある、火山弧に直交する方向に直線的に並ぶ3つの火山、メラピ火山、メルバブ火山およびウンガラン火山において、地球物理学的、地球化学的、および地質学的調査を行い、活動年代、地下構造を解明するとともに、火山体内に発達する熱水系(熱と水の流れのシステム)をコンピュータを使って定量的に解明した。さらに、熱水系が十分発達しているウンガラン火山に関しては、地熱資源量評価を行い、地熱発電(電気出力 : 2~40MW)が可能な資源量が存在していることを明らかにした。

Research Products

• [Journal Article] The gravity anomaly of Ungaran volcano, Indonesia : Analysis and interpretation (2009)
  • Author(s): Setyawan, A., Ehara, S., Fujimitsu, Y., Nishijima, J. Saibi, H., and Aboud, E.
  • Journal Title: Jour. Geotherm. Res. Soc. Japan Vol.31, No.2(掲載決定済)
  • Peer Reviewed
• [Journal Article] Assessment of geothermal potential at Ungaran volcano (2009)
  • Author(s): Setyawan, A., Ehara, S., Fujimitsu, Y. and Saibi, H.
  • Journal Title: Indonesia deduced from numerical analysis Proceedings, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, California, USA SGP-TR-187 Pages: 94-98
  • Peer Reviewed
• [Journal Article] Integrated geophysical surveys of Ungaran volcano : Understanding the hydrothermal system (2008)
  • Author(s): Setyawan, A., Ehara, S., Fujimitsu, Y., Nishijima, J., Fukuoka, K. and Saibi, H.
  • Journal Title: The 2^<nd> International Workshop and Conference on Earth Resource Technology : Stepping towards Sustainable Mining Metallurgical and Petroleum Technology Development, Churalongkorn University, Bangkok, Thailand Pages: 14-19
• [Journal Article] Relationship between the locations of hot springs and the deduced subsurface structure from gravity data analysis in Ungaran volcano (2008)
  • Author(s): Saibi, H., Setyawan, A., Aboud E., Barianto, D., Nishijima, J. and Ehara, S.
  • Journal Title: Indonesia, Proceedings of 30^<th> New Zealand Geothermal Workshop 2008 Pages: 167-173
  • Peer Reviewed
• [Journal Article] (2008)
  • Author(s): Setyawan, A., Ehara, S., and Fujimitsu, Y.
  • Journal Title: Proceedings of International Symposium on Earth Science and Technology 2008 Pages: 695-702
  • Peer Reviewed
• [Journal Article] Shallow ground temperature anomaly and thermal structure of Merapi volcano (2007)
  • Author(s): Udi, Harmoko, Fujimitsu, Y. and Ehara, S.
  • Journal Title: Central Java, Indonesia, Jour Geotherm. Res., Soc. Japan Vol.29, No.1 Pages: 25-37
• [Journal Article] (2007)
  • Author(s): Setyawan, A., Ehara, S., Nishijima, J., Saibi, H. and Wahyudi
  • Journal Title: Proceedings of International Workshop on Earth Resources Technology 2007 Pages: 41-45
• [Journal Article] Geophysical investigations of Ungaran volcano, central Java (2007)
  • Author(s): Fujimitsu, Y., Setyawan, A., Fukuoka, K., Nishijima, J., Ehara, S. and Saibi , H.
  • Journal Title: Indonesia, Proceedings of 29^<th> New Zealand Geothermal Workshop 2007 (CD-ROM)
  • Peer Reviewed
• [Journal Article] (2007)
  • Author(s): Setyawan, A., Nishijima, J., Saibi, H., Aboud, E. and Ehara, S.
  • Journal Title: Proceedings of 5^<th> International Symposium on Earth Science and Technology Pages: 131-138
  • Peer Reviewed
• [Presentation] Assessment of geothermal potential at Ungaran volcano, Indonesia deduced from numerical analysis (2009)
  • Author(s): Setyawan, A., Ehara, S., Fujimitsu, Y., and Saibi, H.
  • Organizer: Thirty-Fourth Workshop on Geothermal Reservoir Engineering Stanford University, California, USA
  • Place of Presentation: Stanford University, California, USA
  • Year and Date: 20090209-11
• [Presentation] Numerical model of hydrothermal system at Ungaran volcano (2008)
  • Author(s): Setyawan, A., Ehara, S., and Fujimitsu, Y.
  • Organizer: central Java, Indonesia
  • Place of Presentation: Fukuoka, Japan
  • Year and Date: 20081200
• [Presentation] 九重火山における土壌二酸化炭素濃度測定及びインドネシア、メラピ・メルバブ・ウンガラン火山との比較 (2008)
  • Author(s): 蘭幸太郎、江原幸雄、藤光康宏、西島 潤、福岡晃一郎、Setyawan A., Udi, H., 山城理恵、糸井龍一、齋藤政城
  • Organizer: 日本地熱学会平成20年学術講演会
  • Place of Presentation: 金沢
  • Year and Date: 20081000
• [Presentation] 火山の熱水系と浅層地温・浅層土壌ガス (2008)
  • Author(s): 江原幸雄、藤光康宏、福岡晃一郎、蘭幸太郎
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張
  • Year and Date: 20080500
• [Presentation] The 2^<nd> International Workshop and Conference on Earth Resource Technology : Stepping towards Sustainable Mining (2008)
  • Author(s): Setyawan, A., Ehara, S., Fujimitsu, Y., Nishijima, J., Fukuoka, K. and Saibi, H.
  • Organizer: Metallurgical and Petroleum Technology Development
  • Place of Presentation: Chulalonkorn University, Bangkok, Thailand
  • Year and Date: 20080400
• [Presentation] Structure of Ungaran volcano from gravity data (2007)
  • Author(s): Setyawan, A., Nishijima, J., Saibi, H., Aboud, E. and Ehara, S.
  • Organizer: 5^<th> International Symposium on Earth Science and Technology
  • Place of Presentation: Fukuoka, Japan
  • Year and Date: 20071200
• [Presentation] Geophysical investigations of Ungaran volcano, central Java, Indonesia (2007)
  • Author(s): Fujimitsu, Y., Setyawan, A., Fukuoka, K., Nishijima, J., Ehara, S. and Saibi, H.
  • Organizer: 29^<th> New Zealand Geothermal Workshop
  • Place of Presentation: Taupo, New Zealand
  • Year and Date: 20071100
• [Presentation] Processing and interpretation of gravity data for Ungaran volcano (2007)
  • Author(s): Setyawan, A., Saibi, H., Nishijima, J., Aboud E. and Ehara, S.
  • Organizer: central Java, Indonesia, 日本地熱学会平成19年学術講演会
  • Place of Presentation: 東京
  • Year and Date: 20071100
• [Presentation] インドネシア・ジャワ島中部ウンガラン火山熱水系の地球物理学的調査 (2007)
  • Author(s): 藤光康宏、福岡晃一郎、江原幸雄、西島 潤
  • Organizer: 日本地球惑星科学連合2007年合同大会
  • Place of Presentation: 幕張
  • Year and Date: 20070500
• [Presentation] Gravity study of Ungaran volcano, central Java, Indonesia (2007)
  • Author(s): Setyawan, A., Ehara, S., Nishijima, J., Saibi, H. and Wahyudi
  • Organizer: International Workshop on Earth Resources Technology
  • Place of Presentation: Fukuoka, Japan
  • Year and Date: 20070400
• [Presentation] (2006)
  • Author(s): Setyawan, A., Ehara, S., Fujimitsu, Y., Nishijima, J., Fukuoka, K., and Wahyudi
  • Organizer: 4^<th> International Workshop on Earth Science and Technology
  • Place of Presentation: Fukuoka, Japan
  • Year and Date: 20061200
• [Presentation] Subsurface structure imaging of Ungaran volcano (2006)
  • Author(s): Setyawan, A., Nishijima, J., Fukuoka, K., Fujimitsu, Y. and Ehara, S.
  • Organizer: Indonesia based on geophysical surveys, 日本地熱学会平成18年日本学術講演会
  • Place of Presentation: 福島
  • Year and Date: 20061100
• [Presentation] The hydrothermal study of Merapi volcano (2005)
  • Author(s): Udi Harmoko, Ehara, S. Fujimitsu, Y.
  • Organizer: central Java, Indonesia, 3^<rd> International Workshop on Earth Science and Technology
  • Place of Presentation: Fukuoka, Japan
  • Year and Date: 20051200
• [Presentation] インドネシア中央ジャワ・ウンガラン地熱地域の地球物理学的調査(その2) (2005)
  • Author(s): 福岡晃一郎、江原幸雄、藤光康宏、西島 潤、Udi Harmoko
  • Organizer: 日本地熱学会平成17年学術講演会
  • Place of Presentation: 東京
  • Year and Date: 20051100