短基线集技术的合肥地表形变监测研究Research on surface deformation monitoring of Hefei area based on SBAS
魏雪梅
摘要(Abstract)：
针对如何利用InSAR技术持续性监测合肥市重点区域地表形变的问题,该文提出了一种利用COSMOSkyMed影像数据,基于短基线集技术反演2011—2016年度合肥地区地表形变的方法。结果表明:合肥市重点区域在2011—2016年期间地面形变呈平稳态势,年均形变速率在-5mm/a到5mm/a的地面形变点数量占总地面形变点数量超过95%。技术人员利用研究区内的CORS监测数据与InSAR监测的形变结果进行比较分析后发现,两者间具有较好的一致性,年形变速率差异的均方差为0.3mm/a。
关键词(KeyWords)： 合成孔径雷达干涉测量;时间序列InSAR;地表沉降;短基线集;形变监测
基金项目(Foundation): 安徽省地理国情监测专项(201653)
作者(Author): 魏雪梅
DOI: 10.16251/j.cnki.1009-2307.2018.07.011
参考文献(References)：
- [1]PELTZER G,ROSEN P.Surface displacement of the17 may 1993 Eureka Valley,California,earthquake observed by SAR Interferometry[J].Science,1995,268(5215):1333-1339.
- [2]周志伟,鄢子平,刘苏,等.永久散射体与短基线雷达干涉测量在城市地表形变中的应用[J].武汉大学学报(信息科学版),2011,36(8):928-931.(ZHOU Zhiwei,YAN Ziping,LIU Su,et al.Persistent scatters and small baseline SAR interferometry for city subsidence mapping[J].Geomatics and Information Science of Wuhan University,2011,36(8):928-931.)
- [3]杨成生,张勤,赵超英,等.短基线集InSAR技术用于大同盆地地面沉降、地裂缝及断裂活动监测[J].武汉大学学报(信息科学版),2014,39(8):945-950.(YANG Chengsheng,ZHANG Qin,ZHAO Chaoying,et al.Small baseline bubset InSAR technology used in datong basin ground subsidence,fissure and fault zone monitoring[J].Geomatics and Information Science of Wuhan University,2014,39(8):945-950.)
- [4]邱志伟,岳建平,汪学琴,等.基于短基线集技术的城市地表沉降监测研究[J].测绘通报,2016(7):25-29.(QIU Zhiwei,YUE Jianping,WANG Xueqin,et al.Research on urban surface subsidence monitoring based on SBAS[J].Bulletin of Surveying and Mapping,2016(7):25-29.)
- [5]王宏宇,张庆涛,刘杰,等.利用短基线集技术监测地表形变[J].测绘科学,2015,40(10):123-127.(WANG Hongyu,ZHANG Qingtao,LIU Jie,et al.Application of SBAS-INSAR technology in subsidence monitoring of Xi’an[J].Science of Surveying and Mapping,2015,40(10):123-127.)
- [6]李珊珊,李志伟,胡俊,等.SBAS-InSAR技术监测青藏高原季节性冻土形变[J].地球物理学报,2013,56(5):1476-1486.(LI Shanshan,LI Zhiwei,HU Jun,et al.Investigation of the seasonal oscillation of the permafrost over QinghaiTibet plateau with SBAS-INSAR algorithm[J].Chinese Journal of Geophysics,2013,56(5):1476-1486.)
- [7]葛大庆,王艳,郭小方,等.利用短基线差分干涉纹图集监测地表形变场[J].大地测量与地球动力学,2008,28(2):61-66.(GE Daqing,WANG Yan,GUO Xiaofang,et al.Surface deformation field monitoring by use of small baseline differential interferograms stack[J].Journal of Geodesy and Geodynamics,2008,28(2):61-66.)
- [8]FERRETTI A,PRATI C,ROCCA F L.Permanent scatterers in SAR interferometry.IEEE Trans Geosci Remot Sen[J].IEEE Transactions on Geoscience&Remote Sensing,2001,39(1):8-20.
- [9]BERARDINO P,FORNARO G,LANARI R,et al.A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms[J].IEEE Transactions on Geoscience&Remote Sensing,2003,40(11):2375-2383.
- [10]GOLDSTEIN R.Atmospheric limitations to repeattrack radar interferometry[J].Geophysical Research Letters,1995,22(18):2517-2520.
- [11]张子文,杨帆,吴文豪,等.地下水开采与地面沉降关系的短基线集分析[J].测绘科学,2016,41(6):64-69.(ZHANG Ziwen,YANG Fan,WU Wenhao,et al.Study of land subsidence and groundwater based on SBAS time series analysis[J].Science of Surveying and Mapping,2016,41(6):64-69.)