| Co-Investigator(Kenkyū-buntansha) |
TAKEMURA Keiji 京都大学, 大学院・理学研究科, 教授 (00201608)
OHSAWA Shinji 京都大学, 大学院・理学研究科, 教授 (30243009)
KANDA Wataru 京都大学, 防災研究所, 助教 (00301755)
KOYAMA Takao 東京大学, 地震研究所, 助教 (00359192)
AOKI Yosuke 東京大学, 地震研究所, 助教 (90376624)
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| Budget Amount *help |
¥18,720,000 (Direct Cost: ¥14,400,000、Indirect Cost: ¥4,320,000)
Fiscal Year 2009: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2008: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2007: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
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| Research Abstract |
This research proposed large volcanic eruptions such as forming caldera are prepared in 'Geothermal activity Dominant volcanoes', because magma stagnates beneath volcanoes and maintains geothermal activity. Magma degassing is one of the important factors to control magma stagnation, and found significant wide area of high conductive zone around GD volcanoes. Analysis of chemical components and isotopic data of hot springs detected dehydrated fluid from subducting oceanic plate, indicating magmatic contribution.
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