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21. Lateral Variation of Rayleigh Wave Dispersion Character : Part 5 North American Continent and Arctic Ocean
https://doi.org/10.15083/0000033431
https://doi.org/10.15083/000003343157eeeb4f-9aa4-4125-add0-052c25a86c89
名前 / ファイル | ライセンス | アクション |
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ji0463001.pdf (1.4 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 | 21. Lateral Variation of Rayleigh Wave Dispersion Character : Part 5 North American Continent and Arctic Ocean | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15083/0000033431 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | 21.レイリー波群速度分散性の地理的分布 : 5: 米大陸と北極海 | |||||
著者 |
Santo, Tetsuo
× Santo, Tetsuo |
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著者別名 | ||||||
識別子 | 130542 | |||||
識別子Scheme | WEKO | |||||
姓名 | 三東, 哲夫 | |||||
著者所属 | ||||||
著者所属 | Earthquake Research Institute | |||||
著者所属 | ||||||
著者所属 | International Institute of Seismology and Earthquake Engineering | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Regionalization of the North American Continent, the Arctic Ocean Basin and their surroundings with regard to the group velocity dispersion character of Rayleigh waves (period 20-40 seconds) were made by means of ""crossing-path technique."" In the North American Continent, dispersion index in the Canadian shield was found to be as low as 5.5. This result was discussed by comparing with the dispersion data obtained by J. N. Brune etal. It was suggested that Hudson Bay has a thick sediment. In the Arctic Ocean, special dispersion character was not observed along the narrow seismic belt which is considered to be the extension of the Mid-Atlantic Ridge. A dispersion region with extremely high dispersion index of 10 was again confirmed around Novaya Zemlya. The peculiar dispersion character of Rayleigh waves was discovered along the path covering Greenland.|これまでと同じ方法で,北米大陸と北極海をいくつかの分散区に分けてみた.北米大陸では,予想通り,カナダ楯状地が分散指数5.5という,大陸としては大変に小さな値をもつ地区であることが明かになった(第4図).唯,J. Bruneらが,カナダ楯状地を代表する地殻マントルモデルとしてきめたCANSDモデルを見出ナのに用いた分散資料を,こんど得た分散区の分布で検討してみると,分散指数9を示すハドソン湾まで含んだ経路の資料も入っているので,CANSDは,カナグ楯状地だけのモデルとしては適当とは思えない. | |||||
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 46, 号 3, p. 431-456, 発行日 1968-07-25 |
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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 |