Urban subsidence observed by InSAR in Tianjin region

被引：5
|
作者：
Zhang Shiyu [1 ]
Li Tao [1 ]
Liu Jingnan [1 ]
Liu Youwen [1 ]
Shao Lianjun [1 ]
Xia Ye [2 ]
机构：
[1] Wuhan Univ, GNSS Res Ctr, Wuhan, Hubei, Peoples R China
[2] Geo Forschungzentrum, Potsdam, Germany
来源：
IGARSS: 2007 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS 1-12: SENSING AND UNDERSTANDING OUR PLANET | 2007年
关键词：
urban subsidence; interferograms; D-InSAR; leveling surveys;
D O I：
10.1109/IGARSS.2007.4423242
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we present the results of D-InSAR technique and conventional leveling at selected area in Tianjin city, using 8 ENVISAT SAR images between 17 October 2003 and 17 February 2005. The D-InSAR results show that the subsidence rate reached over 5cm/year (7cm within 16 months) in highly sinking area, and it is consistent with leveling results. D-InSAR is able to provide more details of urban subsidence, and it is supplement to leveling surveys in those areas with sparse leveling benchmarks.
引用
收藏
页码：2078 / +
页数：3
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