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地球科学进展  2010, Vol. 25 Issue (4): 428-434    DOI: 10.11867/j.issn.1001-8166.2010.04.0428
1.江苏省地质调查研究院,江苏  南京  210049;2.中国地震局地壳应力研究所,北京  100085
Subsidence of Suzhou Area from 1995 to 2000 detected by Persistent Scatterers for SAR Interferometry Technique
Zhu Yefei1,Chen Huogeng1, Zhang Denming1,Wu Jianqiang1,Wu Shuliang1,Zhang Jingfa2,Luo Yi2
1.Geological Survey of Jiangsu Province,Nanjing 210049, China;
2 The Institute of Crustal Dynamics, Beijing 100085, China
 全文: PDF(5497 KB)  


关键词: D-InSARPS-InSAR苏州地面沉降ERS2    

The Permanent Scatterers technique can reduce the spatial and temporal decorrelation by using a time series of SAR images and it has more accuracy, higher temporal resolution and utilization efficiency compared with traditional D-InSAR. However ,with this technique some limitation should be noticed. For example, only small areas could be processed. Based on the fragmenting method, PS-InSAR map from 1995 to 2000 with high spatial detail and resolution of range displacement was developed in Suzhou area,using radar data collected from ERS-2 satellite.The results validated by leveling surveys indicate that the accuracy of PS-InSAR observations reaches 5 mm. We concluded that for the mapping of land subsidence in urban environments PS-InSAR had a strong potential with regard to cost effectiveness,resolution and accuracy.

Key words: PS-InSAR    Fragment    Suzhou    Subsidence    ERS2
收稿日期: 2009-11-06 出版日期: 2010-04-10
:  P642.26  
通讯作者: 朱叶飞     E-mail: zhuyefei2005@
作者简介: 朱叶飞(1978-),男,江苏句容人,工程师,主要从事遥感数字图像处理及遥感机理在地学中的应用研究.
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朱叶飞,陈火根,张登明,武健强,吴曙亮,张景发,罗毅. 基于PS-InSAR的1995—2000年苏州地面沉降监测[J]. 地球科学进展, 2010, 25(4): 428-434.

Zhu Yefei,Chen Huogeng, Zhang Denming,Wu Jianqiang,Wu Shuliang,Zhang Jingfa. Subsidence of Suzhou Area from 1995 to 2000 detected by Persistent Scatterers for SAR Interferometry Technique. Advances in Earth Science, 2010, 25(4): 428-434.


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