Volume 36 Issue 12
Dec.  2011
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HE Min, HE Xiufeng. Ground Subsidence Detection of Yancheng City Using Time Series Interferograms Stacking[J]. Geomatics and Information Science of Wuhan University, 2011, 36(12): 1461-1465.
Citation: HE Min, HE Xiufeng. Ground Subsidence Detection of Yancheng City Using Time Series Interferograms Stacking[J]. Geomatics and Information Science of Wuhan University, 2011, 36(12): 1461-1465.
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Ground Subsidence Detection of Yancheng City Using Time Series Interferograms Stacking

  • 1 Institute of Satellite Navigation & Spatial Information System,Hohai University,1 Xikang Road,Nanjing 210098,China;2 Jiangsu Key Laboratory of Resources and Environmental Information Engineering,China University of Mining and Technology,South Jiefang Road,Xuzhou 221008,China

Funds: 江苏省科技支撑计划资助项目(BE2010316);江苏省资源环境信息工程重点实验室(中国矿业大学)开放基金资助项目(JS200902);中国科技部-欧洲空间局“龙”计划二期合作项目(ID5343)
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  • Received Date: October 10, 2011
  • Published Date: December 04, 2011
    Graphical Abstract
    • Abstract
  • For permanent scatterer and small baseline subsets need no less than 20 SAR images to obtain reliable results,time series interferogram stacking method is used to detect the ground subsidence of Yancheng City.In order to minimize the effects of atmospheric delay error,structure function is used to extract the interferograms which have small atmospheric effects.The ground subsidence of Yancheng City during the period of 2003-12~2009-05 is obtained by 13 ASAR images.The results show that there are 4 subsidence funnels in Yancheng downtown during the period of 2003-12~2005-11.New subsidence funnels appear and local subsidence rate increases during the period of 2008-12~2009-05.
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