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Measurement of radioactive heat generation in rocks by means of gamma ray spectrometry: Vertical distribution of heat source in the island arc crust
http://hdl.handle.net/2297/38153
http://hdl.handle.net/2297/381535298c443-dbdb-4d71-acb0-1f500dbafa9d
| 名前 / ファイル | ライセンス | アクション |
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SC-PR-KOMURA-K-181.pdf (763.6 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||
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| 公開日 | 2017-10-05 | |||||||||
| タイトル | ||||||||||
| タイトル | Measurement of radioactive heat generation in rocks by means of gamma ray spectrometry: Vertical distribution of heat source in the island arc crust | |||||||||
| 言語 | ||||||||||
| 言語 | eng | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
| 資源タイプ | journal article | |||||||||
| 著者 |
Mukai, Makiko
× Mukai, Makiko× Yamaguchi, Tohru× Komura, Kazuhisa× Furumoto, Muneyoshi× Nagao, Toshiyasu |
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| 著者別表示 |
小村, 和久
× 小村, 和久
× 長尾, 年恭
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| 提供者所属 | ||||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 金沢大学理学部 | |||||||||
| 書誌情報 |
Proceedings of the Japan Academy, Series B 巻 75, 号 7, p. 181-185, 発行日 1999-01-01 |
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| ISSN | ||||||||||
| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 0386-2208 | |||||||||
| NCID | ||||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | AA00785485 | |||||||||
| DOI | ||||||||||
| 関連タイプ | isIdenticalTo | |||||||||
| 識別子タイプ | DOI | |||||||||
| 関連識別子 | https://doi.org/10.2183/pjab.75.181 | |||||||||
| 出版者 | ||||||||||
| 出版者 | 日本学士院 = Japan Academy | |||||||||
| 抄録 | ||||||||||
| 内容記述タイプ | Abstract | |||||||||
| 内容記述 | Terrestrial heat flow is the sum of the radioactive heat generated in the crust and the heat flow from the mantle. If we can evaluate the radioactive heat generation in the crust more precisely, we can better estimate the heat flow from the mantle and the thermal state in the earth crust. In this study, the authors measured the contents of radioactive elements in rocks of Kohistan volcanic arc, Pakistan and Ichinomegata, northeast Japan. We conclude that low density rocks (ρ_??_2.9) systematically contain much more radioactive elements leading to high heat generation compared with high density rocks (ρ_??_3.0). In the next step, the vertical distribution of radioactive heat generation in the crust was estimated, and the heat generation of the lower crust in the two areas was found to be much lower than previously considered. It means, if the surface heat flow is the same, the estimated temperature at 30km depth is about 80°C higher than previous estimates. This temperature change may strongly affect the seismic activity at the depth. | |||||||||
| 権利 | ||||||||||
| 権利情報 | Copyright © The Japan Academy | |||||||||
| 著者版フラグ | ||||||||||
| 出版タイプ | VoR | |||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
| 関連URI | ||||||||||
| 識別子タイプ | URI | |||||||||
| 関連識別子 | http://www.japan-acad.go.jp/ | |||||||||
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| 識別子タイプ | URI | |||||||||
| 関連識別子 | https://www.jstage.jst.go.jp/browse/pjab | |||||||||
