| Item type |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2009-11-13 |
| タイトル |
|
|
タイトル |
短周期微動のアレイ観測による盛岡市域の地下速度構造の推定 |
| 言語 |
|
|
言語 |
jpn |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
short-period microtremor array observation |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
Rayleigh wave dispersion relation |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
frequency-wavenbumber analysis |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
inversion of S-wave velocity structure |
| 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 |
山本, 英和
吉田, 芳側
小渕, 卓也
斎藤, 徳美
岩本, 鋼司
|
| 著者別名 |
|
|
|
識別子Scheme |
WEKO |
|
|
識別子 |
61297 |
|
|
姓名 |
YAMAMOTO, Hidekazu |
| 著者別名 |
|
|
|
識別子Scheme |
WEKO |
|
|
識別子 |
61298 |
|
|
姓名 |
YOSHIDA, Yoshinori |
| 著者別名 |
|
|
|
識別子Scheme |
WEKO |
|
|
識別子 |
61299 |
|
|
姓名 |
OBUCHI, Takuya |
| 著者別名 |
|
|
|
識別子Scheme |
WEKO |
|
|
識別子 |
61300 |
|
|
姓名 |
SAITO, Tokumi |
| 著者別名 |
|
|
|
識別子Scheme |
WEKO |
|
|
識別子 |
61301 |
|
|
姓名 |
IWAMOTO, Koji |
| 著者(機関) |
|
|
値 |
岩手大学工学部 |
| 著者(機関) |
|
|
値 |
応用地質（株） |
| 著者(機関) |
|
|
値 |
川崎地質（株） |
| 著者(機関) |
|
|
値 |
岩手大学工学部 |
| 著者(機関) |
|
|
値 |
岩手大学工学部 |
| 登録日 |
|
|
日付 |
2009-11-13 |
| 書誌情報 |
物理探査
巻 50,
号 2,
p. 93-106,
発行日 1997-01-01
|
| ISSN |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
0912-7984 |
| Abstract |
|
|
内容記述タイプ |
Other |
|
内容記述 |
It is important to know under ground velocity structure, especially shallow S-wave velocity structure, in urban areas to study on seismic microzoning or to predict strong motion in the high frequency range during a large earthquake. However, it is difficult to carry out a survey such as refraction or reflection because there is no space for a survey. Microtremors exist anytime or anywhere in urban areas. They are thought to construct an ensemble with body and surface waves. If we can detect phase velocities of surface wave from microtremors, we can estimate underground velocity structure from the dispersion relation using an inversion technique. We carried out array observations of short-period micro tremors at eleven sites in Morioka area to detect phase velocities as a function off requency using frequency-wavenumber analysis. Then, we estimated under ground velocity structure which consists of some layers on half-space from the dispersion relation of Raylaigh wave, using a linearized inversion technique. The shallow underground velocity structures were estimated from Rayleigh wave dispersion relations at nine sites. They were consistent with S-wave velocity structures obtained from bore-hole data. It was shown that short-period microtremor array observation was useful for prospecting shallow structure beneath urban areas where there is no space for other geophysical prospecting technique. |
| 出版者 |
|
|
出版者 |
社団法人物理探査学会 |
| 権利 |
|
|
権利情報 |
(C) 1997 SEGJ |
| 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 |
bt-v50n2p93-106.pdf (1.3 MB)
