| 利用剪切波分裂研究地壳介质各向异性 |
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| 引用本文： | 高原.利用剪切波分裂研究地壳介质各向异性[J].安徽师范大学学报(自然科学版),2006,29(3):205-211. |
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| 作者姓名： | 高原 |
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| 作者单位： | 中国地震局,地震预测研究所,北京,100036 |
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| 基金项目： | 国家发展和改革委员会资助项目
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国家林业局资助项目 |
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| 摘 要： | 地壳介质的各向异性主要是裂隙各向异性,剪切波穿过各向异性介质传播会发生分裂现象.剪切波分裂的偏振特性和时间延迟特性与裂隙介质的几何特性和物理性质有关,可以用来研究地壳应力场及其动态变化.
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| 关 键 词： | 地震各向异性 剪切波分裂 偏振 地壳 地震预测 |
| 文章编号： | 1001-2443（2006）03-0205-07 |
| 收稿时间： | 2006-03-07 |
| 修稿时间： | 2006年3月7日 |
Studies on Seismic Anisotropy in the Crust by Shear-wave Splitting |
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| GAO Yuan.Studies on Seismic Anisotropy in the Crust by Shear-wave Splitting[J].Journal of Anhui Normal University(Natural Science Edition),2006,29(3):205-211. |
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| Authors: | GAO Yuan |
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| Institution: | Institute of Earthquake Science, China Administration, Beijing 100036, China |
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| Abstract: | Seismic anisotropy in the crust is mainly originated from crack-induced anisotropy. Shear-wave will split when it travels through anisotropic media. The polarizations and time-delays of shear-wave splitting are related to the geometrical and physical characteristics of the crustal media. Shear-wave splitting could be adopted to study the stress field in the crust and its dynamic variation. |
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| Keywords: | seismic anisotropy shear-wave splitting polarization crust earthquake-forecasting |
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