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北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University >
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放熱率測定に基づいた有珠2000年噴火の活動推移長期予測

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Please use this identifier to cite or link to this item:https://doi.org/10.14943/gbhu.70.137

Title: 放熱率測定に基づいた有珠2000年噴火の活動推移長期予測
Other Titles: Long-term prediction of Usu volcano 2000 eruptive activity based on the measurements of heat discharge rate
Authors: 後藤, 章夫1 Browse this author
鍵山, 恒臣2 Browse this author
宮本, 毅3 Browse this author
横尾, 亮彦4 Browse this author
谷口, 宏充5 Browse this author
Authors(alt): GOTO, Akio1
KAGIYAMA, Tsuneomi2
MIYAMOTO, Tsuyoshi3
YOKOO, Akihiko4
TANIGUCHI, Hiromitsu5
Issue Date: 15-Mar-2007
Publisher: 北海道大学大学院理学研究院自然史科学部門(地球物理学)
Journal Title: 北海道大学地球物理学研究報告
Journal Title(alt): Geophysical bulletin of Hokkaido University
Volume: 70
Start Page: 137
End Page: 144
Abstract: The energy source of volcanic activity is the heat of magma. Heat discharge rate on the initial stage of Usu 2000 eruptive activity was estimated to be around 1×109 J/sec, that was over one order higher than that on the initial stage of the 1977 activity, and comparable to its peak release rate observed after two years from the beginning of the eruptive activity. Compare to the 1977 activity, much shorter duration of the 2000 activity may be the result of rapid cooling of the intruded magma. Abundant ground water supplied from Lake Toya might remove the heat effectively through active vapor plume rise.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/20429
Appears in Collections:北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University > 第70号

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