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Title: | 大阪堆積盆地における微動H/Vスペクトルの多点観測による盆地速度構造モデルの検証 |
Other Titles: | Performance Check of the Velocity Structure Models Using Microtremor H/V Spectral Ratios in the Osaka Sedimentary Basin |
Authors: | 浅野, 公之 ![]() ![]() ![]() 岩田, 知孝 ![]() ![]() 関口, 春子 ![]() ![]() 宮腰, 研 ![]() 西村, 利光 ![]() |
Author's alias: | ASANO, Kimiyuki IWATA, Tomotaka SEKIGUCHI, Haruko MIYAKOSHI, Ken NISHIMURA, Toshimitsu |
Keywords: | 大阪堆積盆地 単点微動観測 H/Vスペクトル比 三次元速度構造モデル Osaka sedimentary basin microtremor observation H/V spectral ratio three-dimensional valocity structure model |
Issue Date: | Sep-2013 |
Publisher: | 京都大学防災研究所 |
Journal title: | 京都大学防災研究所年報. B |
Volume: | 56 |
Issue: | B |
Start page: | 117 |
End page: | 129 |
Abstract: | Microtremor H/V spectral ratio is analyzed to obtain the observational information for performance-checking and improving the three-dimensional velocity structure model of the Osaka sedimentary basin. Microtremor was observed at 100 strong motion stations in and around the Osaka basin. The observed peak period of H/V spectral ratio reflects the bedrock depth beneath the observed site. We identified areas where we need revise the model by comparing the observed H/V spectral ratios with the theoretical Rayleigh-wave R/V ratios from the present three-dimensional velocity structure models. |
URI: | http://hdl.handle.net/2433/181556 |
Related Link: | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html |
Appears in Collections: | Vol.56 B |

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