| 山西地区非弹性衰减系数、场地响应和几种震源参数的研究. |
| |
| 引用本文： | 啜永清,苏燕,贾建喜,黄金刚.山西地区非弹性衰减系数、场地响应和几种震源参数的研究.[J].地震学报,2004,26(4):369-378. |
| |
| 作者姓名： | 啜永清 苏燕 贾建喜 黄金刚 |
| |
| 作者单位： | （中国太原030002山西省地震局） |
| |
| 基金项目： | 中国地震局实验室基金，国家科技攻关项目 |
| |
| 摘 要： | 根据山西数字地震台网14个地震台的310条波形资料，研究了山西地区的非弹性衰减系数；采用Atkinson和Moya方法，研究了各台的场地响应和几种震源参数，并对这两种方法的反演结果进行了对比分析. 得到山西地区非弹性衰减Q值随频率f的关系为Q(f)=323.2f 0.506；得到的14个台站的场地响应均没有显示出明显的放大效应，这与山西台站均处于岩石地基相符；得到了拐角频率与地震矩、地震矩与应力降、震源半径与应力降之间存在依赖关系.
|
| 关 键 词： | 山西地区& Q值& & 场地响应& 震源参数 |
| 文章编号： | 0253-3782(2004)04-0369-10 |
| 修稿时间： | 2003年10月22 |
STUDY ON INELASTIC ATTENUATION COEFFICIENT,SITE RESPONSE AND SOURCE PARA-METERS IN SHANXI REGION |
| |
| Chuo Yongqing Su Yan Jia Jianxi Huang Jingang.STUDY ON INELASTIC ATTENUATION COEFFICIENT,SITE RESPONSE AND SOURCE PARA-METERS IN SHANXI REGION[J].Acta Seismologica Sinica,2004,26(4):369-378. |
| |
| Authors: | Chuo Yongqing Su Yan Jia Jianxi Huang Jingang |
| |
| Abstract: | Based on 310 horizontal-component digital seismograms recorded at 14 seismic stations in Shanxi Digital Seismograph Network,the of inelastic attenuation coefficient in Shanxi region is studied. By the methods of Atkinson and Moya,the site response of each station and several source parameters are obtained and the inversion results from both methods are compared and analyzed. The frequency-dependent of inelastic attenuation coefficient Q is estimated as Q(f) =323.2 f 0.506 . The site responses of 14 seismic stations do not show significant amplification,which is consistent with their basement on rock. We also found the dependence of corner frequency on seismic moment,seismic moment on stress drop,source radius on stress drop. |
| |
| Keywords: | Shanxi region Q value site response source parameter |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《地震学报》浏览原始摘要信息 |
| 点击此处可从《地震学报》下载免费的PDF全文 |
