| 时序InSAR水库大坝形变监测应用研究 |
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| 引用本文： | 肖儒雅,何秀凤.时序InSAR水库大坝形变监测应用研究[J].武汉大学学报(信息科学版),2019,44(9):1334-1341. |
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| 作者姓名： | 肖儒雅 何秀凤 |
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| 作者单位： | 1.河海大学地球科学与工程学院, 江苏 南京, 211100 |
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| 基金项目： | 国家自然科学基金41804005国家自然科学基金41830110国家自然科学基金41474001江苏省自然科学基金BK20170869中央高校基本科研业务费项目2019B17414中央高校基本科研业务费项目2016B00914国家留学基金201806715019 |
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| 摘 要： | 合成孔径雷达干涉测量（interferometric synthetic aperture radar，InSAR）作为近年来迅速发展的空间大地测量新技术，具有监测精度高、范围大、空间覆盖连续等优点，是解决水利工程形变监测时空连续性问题的有力手段。针对时序InSAR水库大坝形变监测应用中存在的问题，结合环境特殊性和复杂性，研究适合实际需求的时序InSAR分析方法。广南水库的应用实践表明，时序InSAR方法可探测到坝体表面高质量的散射体目标并提取较高精度的形变序列，验证了其对水库大坝、防潮堤等水工建筑物进行形变监测的有效性。时序InSAR形变监测方法在水库安全状况普查及形变历史回溯中具有巨大的应用潜力。
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| 关 键 词： | 时序InSAR 遥感 大坝 水工建筑物 形变监测 广南水库 |
| 收稿时间： | 2018-07-04 |
Deformation Monitoring of Reservoirs and Dams Using Time-Series InSAR |
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| Affiliation: | 1.School of Earth Science and Engineering, Hohai University, Nanjing 211100, China |
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| Abstract: | Interferometric synthetic aperture radar (InSAR) technology characterized by high monitoring precision, large scale and continuous spatial coverage, has become a powerful means to solve the problems of deformation monitoring in water conservancy projects. To circumvent the difficulties of InSAR time series analysis in deformation monitoring of reservoirs, a systematic research of methodologies and applications is carried out in this paper, considering the complexity and particularity of the application environment. Results from the application in the Guangnan Reservoir reveal that high-precision deformation time series can be extracted, which verifies that it is effective in deformation monitoring of reservoirs through InSAR time series analysis. Time series InSAR technique has great potential for reservoir safety survey and retrospect of deformation history. |
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