| 三峡库区范家坪滑坡地表形变InSAR监测与综合分析 |
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| 引用本文： | 范景辉,邱阔天,夏耶,李曼,林昊,张洪涛,涂鹏飞,刘广,舒思齐.三峡库区范家坪滑坡地表形变InSAR监测与综合分析[J].地质通报,2017,36(9):1665-1673. |
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| 作者姓名： | 范景辉 邱阔天 夏耶 李曼 林昊 张洪涛 涂鹏飞 刘广 舒思齐 |
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| 作者单位： | 1. 中国国土资源航空物探遥感中心, 北京 100083;2. 国务院参事室, 北京 100006;3. 德国地学中心, 德国 波茨坦;4. 信阳师范学院, 河南 信阳 464000;5. 中国地质调查局, 北京 100037;6. 三峡大学, 湖北 宜昌 443002;7. 中国科学院遥感与数字地球研究所, 北京 100094 |
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| 基金项目： | 国家国际科技合作项目《重大工程区地表形变高分辨率星载干涉SAR监测关键技术合作研究》（编号：2010DFB23380）、国务院三峡办项目《三峡工程移民政策实践研究》（编号：2012SXZJZ1）、中国地质调查局项目《全国地表形变遥感地质调查综合研究》（编号：1212011140042）和中国科技部与欧洲空间局对地观测领域“龙计划"四期项目（编号：32365） |
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| 摘 要： | 位于湖北省秭归县的范家坪滑坡是长江三峡库区干流上的大型岩质滑坡之一。阐述了高分辨率合成孔径雷达干涉测量技术(InSAR)监测滑坡地表形变的工作方法与技术体系,采用22景3m空间分辨率的TerraSAR-X数据,辅以人工反射体布设和GPS测量,对范家坪滑坡变形进行监测,发现滑坡处在缓慢匀速变形状态,其谭家河滑坡体的形变比木鱼包滑坡体更为强烈,形变最大处的雷达视线向形变速率达到300mm/a。通过综合分析滑坡区2012年大气降雨和长江水位资料,发现年度内范家坪滑坡变形受水位变化和大气降雨影响微弱。
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| 关 键 词： | 合成孔径雷达干涉测量 三峡 范家坪滑坡 地表形变 |
| 修稿时间： | 2016/12/20 0:00:00 |
InSAR monitoring and synthetic analysis of the surface deformation of Fanjiaping landslide in the Three Gorges Reservoir area |
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| FAN Jinghui,QIU Kuotian,XIA Ye,LI Man,LIN Hao,ZHANG Hongtao,TU Pengfei,LIU Guang and SHU Siqi.InSAR monitoring and synthetic analysis of the surface deformation of Fanjiaping landslide in the Three Gorges Reservoir area[J].Geologcal Bulletin OF China,2017,36(9):1665-1673. |
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| Authors: | FAN Jinghui QIU Kuotian XIA Ye LI Man LIN Hao ZHANG Hongtao TU Pengfei LIU Guang and SHU Siqi |
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| Institution: | 1. China Aero Geophysical Survey & Remote Sensing Center for Land and Resources, Beijing 100083, China;2. Counselors''Office of the State Council, Beijing 100006, China;3. German Research Centre for Geosciences, Potsdam, Germany;4. Xinyang Normal University, Xinyang 464000, He''nan, China;5. China Geological Survey, Beijing 100037, China;6. China Three Gorges University, Yichang 443002, Hubei, China;7. Institute of Remote sensing and Digital Earth, CAS, Beijing 100094, China |
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| Abstract: | Fanjiaping landslide, located on the south bank of the Yangtze River in Zigui County of Hubei Province, is one of the large-scale rocky landslides along the main stream in the Three Gorges Reservoir area. The working method and technological sys-tem of high resolution InSAR are briefly introduced in this paper. Furthermore, based on 22 TerraSAR-X images with 3m resolu-tion and the field work about corner reflectors and GPS, the surface deformation of Fanjiaping landslide was monitored. It is found that the deformation was very slow and exhibits linear characteristics in the time domain. Among the 2 sub-landslides of Fanjiaping landslide, Tanjiahe block deformed more strongly than Muyubao block. The maximum linear deformation velocity of Tanjiahe land-slide can reach 300mm/a. A synthetic analysis of precipitation, water level and the deformation results in 2012 shows that rainfall and water level change could hardly affect the surface deformation of Fanjiaping landslide in this year. |
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| Keywords: | InSAR Three Gorges Fanjiaping landslide surface deformation |
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