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国土资源遥感  2014, Vol. 26 Issue (3): 37-42    DOI: 10.6046/gtzyyg.2014.03.06
  技术方法 本期目录 | 过刊浏览 | 高级检索 |
基于SBAS-InSAR的长治矿区地表形变监测
刘志敏, 李永生, 张景发, 罗毅, 刘斌
中国地震局地壳应力研究所地壳动力学重点实验室, 北京 100085
An analysis of surface deformation in the Changzhi mining area using small baseline InSAR
LIU Zhimin, LI Yongsheng, ZHANG Jingfa, LUO Yi, LIU Bin
Key Laboratory of Crustal Dynamics, Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China
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摘要 小基线集InSAR(SBAS-InSAR)时序分析方法能够较好地克服InSAR时空失相干限制,抑制地形和大气影响,增加时间采样率,在监测地表形变随时间演化方面取得了较好的应用。为了有效监测山西省长治矿区地表形变,利用DInSAR方法监测开采矿区的快速大形变,得到形变区30 d的最大沉降量为11 cm;利用SBAS方法监测矿区边缘微小缓慢形变,得到2003年7月-2010年7月期间区内地面沉降的空间展布及时间序列相对形变量。对于矿区周围相干性保持较好的居民区,SBAS方法监测结果表明其整体形变表现为沉降趋势,沉降面积较大,沉降速率为5~15 mm/a,最大累计沉降为90 mm。矿区因开采时间、开采方式、采储量以及地形等因素的不同而呈现出不同的沉降结果。
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王兴玲
胡德勇
唐宏
舒阳
关键词 Bayes决策高效能机载SAR系统(HASARS)全极化SAR滑坡灾害    
Abstract:Small baseline subset(SBAS) algorithm has been widely applied to time series analysis for measuring surface deformation by overcoming InSAR limitations caused by temporal decorrelation, spatial decorrelation and atmospheric inhomogeneity. To monitor the ground deformation in Changzhi area effectively, the authors applied DInSAR method to study large deformation that happened in one month or even a shorter time in the mining area, and the maximum subsidence was 11cm during 30 days. Then the authors obtained the time series deformation results from July 2003 to July 2010 in Changzhi area by using SBAS algorithm, and made time series analysis of the residential area with large deformation rate which kept high coherence around the mining area by SBAS monitoring results. From the deformation maps, the authors found that subsidence was obvious in the study area, and the subsidence rate was 5~15mm/a, with the maximum accumulated subsidence being 90 mm. Different ore districts presented different deformation results due to their differences in such factors as production time, production way, reserves and topography.
Key wordsBayes decision    high-performance airborne synthetic aperture Radar system(HASARS)    polarimetric SAR    landslide hazard
收稿日期: 2013-06-18      出版日期: 2014-07-01
:  TP79  
基金资助:中国地震局地壳应力研究所中央级公益性科研院所基本科研业务专项(编号:ZDJ2013-22)、国家自然科学基金项目(编号:41204004)和国家科技部、欧洲空间局龙计划三期资助项目(编号:10607)共同资助。
作者简介: 刘志敏(1990-),女,硕士研究生,主要从事InSAR在地表形变监测方面的研究。Email:smilelzm@126.com。
引用本文:   
刘志敏, 李永生, 张景发, 罗毅, 刘斌. 基于SBAS-InSAR的长治矿区地表形变监测[J]. 国土资源遥感, 2014, 26(3): 37-42.
LIU Zhimin, LI Yongsheng, ZHANG Jingfa, LUO Yi, LIU Bin. An analysis of surface deformation in the Changzhi mining area using small baseline InSAR. REMOTE SENSING FOR LAND & RESOURCES, 2014, 26(3): 37-42.
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https://www.gtzyyg.com/CN/10.6046/gtzyyg.2014.03.06      或      https://www.gtzyyg.com/CN/Y2014/V26/I3/37
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