| Formation cause of thermal infrared high temperature belt along Honghe fault and its relation to earthquakes |
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| 引用本文： | 屈春燕 单新建 马瑾. Formation cause of thermal infrared high temperature belt along Honghe fault and its relation to earthquakes[J]. 地震学报(英文版), 2006, 19(1): 93-99. DOI: 10.1007/s11589-001-0093-4 |
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| 作者姓名： | 屈春燕 单新建 马瑾 |
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| 作者单位： | State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing100029, China |
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| 基金项目： | National Natural Science Foundation of China （90202018）. |
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| 摘 要： | Introduction The relation between satellite thermal infrared anomaly and earthquakes or fault activities has been studied for more than ten years. Many researchers contribute themselves to the research field and made some progress (Gorny et al, 1988; Andrew et al, 2002; WANG and QIANG, 1995; ZHENG et al, 1996; QIANG and DIAN, 1998). In recent years, with the rapid development of satellite remote sensing technique and its wide application to the field of seismology, more and more rese…
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| 关 键 词： | 地震前兆 活动性 遥感技术 温度带 |
| 文章编号： | 1000-9116（2006）01-0093-07 |
| 收稿时间： | 2005-03-09 |
| 修稿时间： | 2005-07-04 |
Formation cause of thermal infrared high temperature belt along Honghe fault and its relation to earthquakes |
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| Q Chun-yan,SHAN Xin-jian,MA Jin. Formation cause of thermal infrared high temperature belt along Honghe fault and its relation to earthquakes[J]. Acta Seismologica Sinica(English Edition), 2006, 19(1): 93-99. DOI: 10.1007/s11589-001-0093-4 |
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| Authors: | Q Chun-yan SHAN Xin-jian MA Jin |
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| Affiliation: | State Key Laboratory of Earthquake Dynamics, Institute of Geology, China Earthquake Administration, Beijing 100029, China |
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| Abstract: | Aiming at two Dayao earthquakes with magnitude more than 6 occurred in 2003 in Yunnan Province, we analyzed and interpreted the NOAA satellite thermal infrared images of 1999, 2003 and 2004 in Chuandian region, and also calculated the annual variation of brightness temperature of the hot belt along Honghe fault to explore the formation cause of the high temperature belt and its relation to the earthquakes. The results show that the high temperature belt along Honghe fault is caused by geographic environment factors, such as water system and terrain. But the annual average brightness temperature of the belt in earthquake year of 2003 is clearly higher than that in no earthquake years of 1999 and 2004, this maybe indicates that the thermal activities of Honghe fault increase in earthquake years, and can cause the annual variation anomaly of brightness temperature. We can detect and monitor this thermal activities of Honghe fault before earthquake by analyzing and comparing the relative changes of thermal infrared brightness temperature of the hot belt in different years |
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| Keywords: | thermal infrared remote sensing annual variation anomaly earthquake precursor fault activity |
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