| 中国陆区S波分裂与上地幔地震各向异性 |
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| 引用本文： | 刘堃,张中杰,滕吉文,孙克忠,胡家富.中国陆区S波分裂与上地幔地震各向异性[J].地球物理学进展,2001,16(2). |
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| 作者姓名： | 刘堃 张中杰 滕吉文 孙克忠 胡家富 |
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| 基金项目： | 国家自然科学基金，国家自然科学基金 |
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| 摘 要： | 本文利用中国大陆区共8个台站所观测到地震事件的S波数据，采用相关分析的手段以及对观测数据重建的技术，进行了S波分裂参数—快慢波延迟时间与快波偏振方向的计算，并分析了S波分裂参数与中国陆区上地幔物质运动的相互关系．研究结果表明：兰州台下的S波分裂时差最小，北京台下的最大．中国东部地区上地幔运动方向以西北向为主，西部地区以北偏西为优势．
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| 关 键 词： | 天然地震台网资料 S波分裂 上地幔 地震各向异性 |
S-WAVE SPLITTING AND SEISMIC ANISOTROPY OF UPPER-MANTLE IN CHINA MAINLAND |
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| LIU Kun,Zhang Zhong-jie,TENG Ji-Wen,SUN Ke-zhong,HU Jia-fu.S-WAVE SPLITTING AND SEISMIC ANISOTROPY OF UPPER-MANTLE IN CHINA MAINLAND[J].Progress in Geophysics,2001,16(2). |
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| Authors: | LIU Kun Zhang Zhong-jie TENG Ji-Wen SUN Ke-zhong HU Jia-fu |
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| Abstract: | We applied the methods of correlation and reconstruction to the S-wave data observed at 8 stations in China mainland and calculated the delay time and fast polarization of the S-wave splitting. The relationship between the splitting parameters and the substance movement in upper-mantle of China mainland has been analyzed. The results show that, the smallest delay time of S-wave splitting occurs at the station of LZH (Lanzhou), and the biggest occurs at the station of BJI (Beijing); The movement of upper-mantle in Eastern China is mainly north-westward, and westward from north in Western China. |
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