| The Change in Outgoing Long-wave Radiation before the Ludian MS6.5 Earthquake Based on Tidal Force Niche Cycles |
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| 作者姓名： | Zhang Yan Kang Chunli Ma Weiyu Yao Qi |
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| 作者单位： | China Earthquake Networks Center, Beijing 100045, China,China Earthquake Networks Center, Beijing 100045, China,China Earthquake Networks Center, Beijing 100045, China,China Earthquake Networks Center, Beijing 100045, China |
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| 基金项目： | Science for Earthquake Resilience-Based on the Application of Atmospheric Temperature Vertical Stratification 3D Remote Sensing Technology in Earthquake Prediction (Project number:XH15050). |
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| 摘 要： | The cycle process of the tidal force niche for the Ludian M_S6.5 earthquake occurring in Ludian County, Yunnan Province, China on August 3, 2014 was calculated. The earthquake occurred near the middle point phase. It indicates that the type of seismogenic fault that the tide force acted on belongs to the thrust fault. According to the tidal niche cycle,the abnormal OLR( Outgoing Long-wave Radiation) change was analyzed based on NOAA satellite data around the whole land area of China before and after the earthquake.The result shows that the OLR changed evidently with tide force change. Temporally,the change went through the evolution process of initial OLR rise → strengthening → abnormal peaking → attenuation → returning to normal; and spatially,the abnormal area wound its way along the Zhaotong-Ludian fault and went through a scattered → conversion →scattered process. This process is similar to the change process of rock breaking under stress loading. The results indicate that the tidal force of a celestial body could trigger an earthquake when the tectonic stress reaches its critical breaking point and the OLR anomaly is proportional to the seismic tectonic stress change. It is of great use to combine OLR and tidal force in earthquake precursory observation.
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| 关 键 词： | The tidal force niche Thermal infrared OLR The Ludian MS6.5 earthquake NOAA satellite |
| 收稿时间： | 2016/6/30 0:00:00 |
The Change in Outgoing Long-wave Radiation before the Ludian MS6.5 Earthquake Based on Tidal Force Niche Cycles |
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| Zhang Yan,Kang Chunli,Ma Weiyu,Yao Qi.The Change in Outgoing Long-wave Radiation before the Ludian MS6.5 Earthquake Based on Tidal Force Niche Cycles[J].Earthquake Research in China,2017,31(3):422-430. |
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| Authors: | Zhang Yan Kang Chunli Ma Weiyu and Yao Qi |
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| Institution: | China Earthquake Networks Center, Beijing 100045, China,China Earthquake Networks Center, Beijing 100045, China,China Earthquake Networks Center, Beijing 100045, China and China Earthquake Networks Center, Beijing 100045, China |
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| Abstract: | |
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| Keywords: | The tidal force niche Thermal infrared OLR The Ludian MS6 5 earthquake NOAA satellite |
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