Evaluation of a potential supercritical geothermal system in the Kuju region, central Kyushu, Japan

Keigo Kitamura, Yuki Fujii, Haruhiro Inagaki, Koki Aizawa, Junichiro Ishibashi, Hiroki Saito, Yasuhiro Fujimitsu

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)

抄録

We derived the thermal structure of the Kuju region of volcanic activity in central Kyushu, Japan, to assess the potential existence of a supercritical geothermal system. Extrapolation of existing well-logging data suggests the presence of a high-temperature region beneath the area between the Hatchobaru geothermal power plant and Kuju-Iwoyama Volcano, which closely overlaps a low-resistivity body estimated from magnetotelluric data. Based on estimated temperatures exceeding 380 °C at the relatively shallow depth of -3.3 km above sea level, and considering evidence for magmatic fluid transport, this high-temperature region is a potential target for a supercritical geothermal reservoir.

本文言語英語
論文番号102602
ジャーナルGeothermics
107
DOI
出版ステータス出版済み - 1月 2023

!!!All Science Journal Classification (ASJC) codes

  • 再生可能エネルギー、持続可能性、環境
  • 地盤工学および土木地質学
  • 地質学

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