| Tidal Response Characteristics of the Well Water Level in the Sichuan-Yunnan Region |
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| 作者姓名： | Gong Haobo Li Guangke Liao Xin Guo Weiying Chen Min |
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| 作者单位： | Earthquake Administration of Chongqing Municipality, Chongqing 401147, China,Earthquake Administration of Chongqing Municipality, Chongqing 401147, China,Institute of Disaster Prevention, Sanhe 065201, Hebei, China,Earthquake Administration of Chongqing Municipality, Chongqing 401147, China,Earthquake Administration of Chongqing Municipality, Chongqing 401147, China |
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| 基金项目： | This paper was sponsored by the Spark Program of Earthquake Technology of CEA in 2017(XH17026) and Combination Project with Monitoring,Prediction and Scientific Research of Earthquake Technology,CEA (162205). |
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| 摘 要： | In this paper, the long time series data of the well water-level data of 12 wells in the Sichuan and Yunnan area is analyzed by the Baytap-G tidal analysis software, and well water level tidal response characteristic parameters (amplitude ratio and phase change) are extracted. We analyzed the features of the shape and stage change, and characteristic parameters of the tidal response of well water level before and after the earthquakes, which can provide a new method and approach to analyzing the response relationships between well water level and earth tide and barometric pressure. The results show that Luguhu Well and 9 other wells are affected by earth tides, and their well water level amplitude ratios and phases are relatively stable; the Nanxi Well and Dayao Well water level changes are affected by the barometric pressure combined with tide force, and their well water level amplitude ratios and phases are more discrete. The water level amplitude ratios and phases of Jiangyou Well, Luguhu Well and Dongchuan Well are significant to large earthquakes, and the relationship between seismic energy density and water level amplitude ratios and phases of M2 wave of the three wells are presented.
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| 关 键 词： | Well water level Tidal response Sichuan Yunnan Region |
| 收稿时间： | 2015/10/9 0:00:00 |
| 修稿时间： | 2016/1/28 0:00:00 |
Tidal Response Characteristics of the Well Water Level in the Sichuan-Yunnan Region |
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| Gong Haobo,Li Guangke,Liao Xin,Guo Weiying,Chen Min.Tidal Response Characteristics of the Well Water Level in the Sichuan-Yunnan Region[J].Earthquake Research in China,2017,31(2):188-200. |
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| Authors: | Gong Haobo Li Guangke Liao Xin Guo Weiying and Chen Min |
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| Institution: | Earthquake Administration of Chongqing Municipality, Chongqing 401147, China,Earthquake Administration of Chongqing Municipality, Chongqing 401147, China,Institute of Disaster Prevention, Sanhe 065201, Hebei, China,Earthquake Administration of Chongqing Municipality, Chongqing 401147, China and Earthquake Administration of Chongqing Municipality, Chongqing 401147, China |
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| Abstract: | In this paper, the long time series data of the well water-level data of 12 wells in the Sichuan and Yunnan area is analyzed by the Baytap-G tidal analysis software, and well water level tidal response characteristic parameters (amplitude ratio and phase change) are extracted. We analyzed the features of the shape and stage change, and characteristic parameters of the tidal response of well water level before and after the earthquakes, which can provide a new method and approach to analyzing the response relationships between well water level and earth tide and barometric pressure. The results show that Luguhu Well and 9 other wells are affected by earth tides, and their well water level amplitude ratios and phases are relatively stable; the Nanxi Well and Dayao Well water level changes are affected by the barometric pressure combined with tide force, and their well water level amplitude ratios and phases are more discrete. The water level amplitude ratios and phases of Jiangyou Well, Luguhu Well and Dongchuan Well are significant to large earthquakes, and the relationship between seismic energy density and water level amplitude ratios and phases of M2 wave of the three wells are presented. |
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| Keywords: | Well water level Tidal response Sichuan Yunnan Region |
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