| 基于小波分析的河北省及邻区流动重力场时空动态变化分析 |
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| 引用本文： | 侯晓真,祝意青,刘芳,马栋,屈曼,陈建国,刘洪良,张展伟,高晨. 基于小波分析的河北省及邻区流动重力场时空动态变化分析[J]. 中国地震, 2019, 35(3): 455-464 |
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| 作者姓名： | 侯晓真 祝意青 刘芳 马栋 屈曼 陈建国 刘洪良 张展伟 高晨 |
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| 作者单位： | 河北省地震局, 石家庄 050021,中国地震局第二监测中心, 西安 710054,中国地震局第二监测中心, 西安 710054,河北省地震局, 石家庄 050021,河北省地震局, 石家庄 050021,河北省地震局, 石家庄 050021,河北省地震局流动测量队, 河北保定 071000,河北省地震局流动测量队, 河北保定 071000,河北省地震局, 石家庄 050021 |
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| 基金项目： | 河北省地震科技星火计划项目（DZ20190424078、DZ20180316005）共同资助 |
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| 摘 要： | 搜集河北省及其邻近地区2010～2014年8期流动重力观测数据和周围绝对重力观测数据,利用小波多尺度分解方法获取河北及邻近区域(110°～120°E,36°～42°N)范围内不同尺度、不同场源深度下的分解结果,并结合该时间段内震例,通过对多期实验结果进行分析,对研究区内的重力变化情况及异常特征有更为清晰的认识,其结论可为河北省及邻近地区后续震情分析、研判提供一定参考。
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| 关 键 词： | 小波多尺度分解 功率谱 重力场 河北及邻近地区 |
| 收稿时间： | 2019-01-11 |
| 修稿时间： | 2019-01-31 |
Analysis of Spatio-temporal Dynamics of Gravity Field in Hebei Province and Its Adjacent Areas Based on Wavelet Analysis |
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| Hou Xiaozhen,Zhu Yiqing,Liu Fang,Ma Dong,Qu Man,Chen Jianguo,Liu Hongliang,Zhang Zhanwei and Gao Chen. Analysis of Spatio-temporal Dynamics of Gravity Field in Hebei Province and Its Adjacent Areas Based on Wavelet Analysis[J]. Earthquake Research in China, 2019, 35(3): 455-464 |
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| Authors: | Hou Xiaozhen Zhu Yiqing Liu Fang Ma Dong Qu Man Chen Jianguo Liu Hongliang Zhang Zhanwei Gao Chen |
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| Affiliation: | Hebei Earthquake Agency, Shijiazhuang 050021, China,The Second Monitoring Center, China Earthquake Administration, Xi''an 710054, China,The Second Monitoring Center, China Earthquake Administration, Xi''an 710054, China,Hebei Earthquake Agency, Shijiazhuang 050021, China,Hebei Earthquake Agency, Shijiazhuang 050021, China,Hebei Earthquake Agency, Shijiazhuang 050021, China,Mobile Survey Team of Hebei Earthquake Agency, Baoding 071000, Hebei, China,Mobile Survey Team of Hebei Earthquake Agency, Baoding 071000, Hebei, China and Hebei Earthquake Agency, Shijiazhuang 050021, China |
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| Abstract: | We collected the gravity observation data of Hebei Province and its neighboring regions(110°~120°E,36°~42°N) from 2010 to 2014,and used multi-scale wavelet decomposition to get data at different scales and depth. Combined with the case of earthquakes in this period,we have a clearer understanding of the gravity changes and abnormal characteristics in the study area. The conclusions can provide some reference for the subsequent seismic situation analysis and judgment in Hebei Province and its neighboring regions. |
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| Keywords: | Multi-scale wavelet decomposition Power spectrum Gravity field Hebei Province and its adjacent areas |
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