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吾妻山浄土平周辺の電気抵抗ならびに地磁気測定
https://doi.org/10.15083/0000033042
https://doi.org/10.15083/00000330427a9fe933-8d2e-46f4-bcce-bbb7816951a6
名前 / ファイル | ライセンス | アクション |
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ji0561012.pdf (1.5 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | 吾妻山浄土平周辺の電気抵抗ならびに地磁気測定 | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15083/0000033042 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | Distribution of Electrical Resistivity and Geomagnetic Field Components in the Zyododaira Area of Azumasan Volcano | |||||
著者 |
行武, 毅
× 行武, 毅× 吉野, 登志男× 歌田, 久司× 河村, まこと× 大地, 洸× 水野, 喜昭× 小池, 捷春× 小菅, 正裕 |
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著者別名 | ||||||
識別子 | 128839 | |||||
識別子Scheme | WEKO | |||||
姓名 | Yukutake, Takasi | |||||
著者別名 | ||||||
識別子 | 128840 | |||||
識別子Scheme | WEKO | |||||
姓名 | Yoshino, Toshio | |||||
著者別名 | ||||||
識別子 | 128841 | |||||
識別子Scheme | WEKO | |||||
姓名 | Utada, Hisashi | |||||
著者別名 | ||||||
識別子 | 128842 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kawamura, Makoto | |||||
著者別名 | ||||||
識別子 | 128843 | |||||
識別子Scheme | WEKO | |||||
姓名 | Ochi, Ko | |||||
著者別名 | ||||||
識別子 | 128844 | |||||
識別子Scheme | WEKO | |||||
姓名 | Mizuno, Yoshiaki | |||||
著者別名 | ||||||
識別子 | 128845 | |||||
識別子Scheme | WEKO | |||||
姓名 | Koike, Katsuharu | |||||
著者別名 | ||||||
識別子 | 128846 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kosuga, Masahiro | |||||
著者所属 | ||||||
著者所属 | 東京大学地震研究所 | |||||
著者所属 | ||||||
著者所属 | 気象庁地磁気観測所 | |||||
著者所属 | ||||||
著者所属 | 東北大学理学部 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | During the period from October 12 to 18, 1979, measurements of electrical resistivity and geomagnetic components were conducted in the Zyododaira area of Azumasan Volcano. The area includes fumaroles that have repeated small eruptions since a great eruption in 1893. The electrical resistivity near the surface was measured by direct current methods. A vertical sounding conducted at the center of Zyododaira indicated that the resistivity was extremely low near the surface, 2.8 Ωm at depths from 2 to 50 m and 6.5.Ωm below that (Fig. 2). This was confirmed by an electromagnetic induetion method, and the lateral extension of the low resistivity zone was examined. Elec- tromagnetic waves of frequency range from 17.4 kHz of artificial source to 8 Hz of the fundamental mode of Schumann resonance were measured at the ground surface, and the magnetotelluric techniques were applied. It has been revealed that the area of low resistivity less than 10 Ωm extends over 1 km from the fumarole sites in a SSE direction, forming a narrow belt with a width of about 500 m (Fig. 5). Geomagnetic total intensity was measured at nine repeat stations and at 38 temporary sites. Inclination and declination were observed at three of the repeat stations. The results show complex features of field distribution. Some are related to the terrain features, and others not. It should be noted that the total intensity is also low in the narrow zone of low resistivity. | |||||
書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 56, 号 1, p. 223-244, 発行日 1981-08-31 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00408972 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162258 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
日本十進分類法 | ||||||
主題 | 453 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学地震研究所 | |||||
出版者別名 | ||||||
Earthquake Research Institute, University of Tokyo |