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| Q value of anelastic S-wave attenuation in Yunnan region | |
| 作者姓名： | 苏有锦 刘杰 郑斯华 刘丽芳 付虹 徐彦 |
| 作者单位： | [1]College of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China [2]Earthquake Administration of Yunnan Province, Kunming 650224, China [3]China Earthquake Network Center, Beijing 100036, China [4]Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China |
| 基金项目： | Early-stage study project of the national key foundation research （2002CCD01700） and the key project of Yunnan Province during the 10th Five-year plan. |
| 摘 要： | The study of seismic attenuation property is a major subject in seismology. Seismic waves recorded by seismic stations （seismographs） contain source effect, seismic wave propagation effect, site response of seismic stations and instrumental response. The path effect of seismic wave propagation, site response of seismic stations and instrumental response must be taken out in the study of source property with seismic data. The path effect of seismic wave propagation （seismic attenuation） involves an important influential factor, the anelastic attenuation of medium, which is measured with quality factor Q, apart from geometric attenuation with the distance. As a basic physical parameter of the Earth medium, Q value is essential for quantitative study of earthquakes and source property （e.g. determination of source parameters）, which is widely used in earthquake source physics and engineering seismology. |
| 关 键 词： | 滞弹 S波 云南 地震 波形 |
| 文章编号： | 1000-9116（2006）02-0217-00 |
Q value of anelastic S-wave attenuation in Yunnan region |
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| SU You-jin,LIU Jie,ZHENG Si-hua,LIU Li-fang,FU Hong,XU Yan.Q value of anelastic S-wave attenuation in Yunnan region[J].Acta Seismologica Sinica(English Edition),2006,19(2):217-224. | |
| Authors: | SU You-jin LIU Jie ZHENG Si-hua LIU Li-fang FU Hong XU Yan |
| Institution: | 1. College of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China;Earthquake Administration of Yunnan Province, Kunming 650224, China 2. China Earthquake Network Center, Beijing 100036, China 3. Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China 4. Earthquake Administration of Yunnan Province, Kunming 650224, China |
| Abstract: | The study of seismic attenuation property is a major subject in seismology. Seismic waves recorded by seismic stations (seismographs) contain source effect, seismic wave propagation effect, site response of seismic stations and instrumental response. The path effect of seismic wave propagation, site response of seismic stations and instrumental response must be taken out in the study of source property with seismic data. The path effect of seismic wave propagation (seismic attenuation) involves an important influential factor, the anelastic attenuation of medium, which is measured with quality factor Q, apart from geometric attenuation with the distance. As a basic physical parameter of the Earth medium, Q value is essential for quantitative study of earthquakes and source property (e.g. determination of source parameters), which is widely used in earthquake source physics and engineering seismology. |
| Keywords: | S wave anelastic attenuation Q value Yunnan region |
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