2010 Fiscal Year Final Research Report
Deep ground structure imaging by the seismic interferometry of strong ground motion record
| Project/Area Number |
20540413
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Solid earth and planetary physics
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| Research Institution | Yokohama City University |
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Principal Investigator |
YOSHIMOTO Kazuo Yokohama City University, 生命ナノシステム科学研究科, 准教授 (10281966)
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| Co-Investigator(Kenkyū-buntansha) |
KINOSHITA Shigeo 横浜市立大学, 生命ナノシステム科学研究科, 教授 (90360015)
NAKAHARA Hisashi 東北大学, 理学研究科, 助教 (20302078)
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| Co-Investigator(Renkei-kenkyūsha) |
SATO Hiroshi 東京大学, 地震研究所, 教授 (00183385)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 地震波干渉法 / 地盤構造 / 強震動記録 |
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| Research Abstract |
The research to explore the deep ground structure by using the strong ground motion record was conducted. This research includes the geophysical topics such as the radiative transfer of elastic waves in two-dimensional isotropic scattering media, frequency-dependent attenuation of S-waves and short wavelength heterogeneity of the lithosphere, and the nonstationary ray decomposition in a homogeneous half space. In addition, our research demonstrated that the seismic interferometry of strong ground motion record is very effective to investigate the response function of deep ground structure, and imaged the deep ground structure of the Kanto plain successfully.
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[Presentation] Seismic Basement Structure beneath theTokyo Metropolitan Area Inferred fromSeismic Interferometry2010
Author(s)
吉本和生, 平田直, 笠原敬司, 小原一成, 佐藤比呂志, 酒井慎一, 鶴岡弘, 中川茂樹, 木村尚紀, 棚田俊収, 明田川保, 中原恒, 木下繁夫
Organizer
AGU 2010 FallMeeting
Place of Presentation
Moscone Center, San Francisco,USA
Year and Date
2010-12-16
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