Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26915
Title: Monitoring Xi'an land subsidence evolution by differential SAR interferometry
Authors: Zhang, Q
Zhao, C
Ding, X 
Peng, J
Issue Date: 2007
Publisher: Kluwer Academic Publishers
Source: Lecture notes in geoinformation and cartography, 2007, p. 91-102 How to cite?
Journal: Lecture Notes in Geoinformation and Cartography 
Abstract: Differential SAR Interferometry (D-InSAR) technique has been used to monitor the land subsidence evolution in Xi'an, China during the period of 1992 to 2005. Three schemes have been made to detect the three subsidence stages, namely, stage I 1992-1993, stage II 1996-1997 and stage III 2004-2005. And annual subsidence rates have been calculated in three schemes which uncovered the land subsidence evolution in Xi'an from 1990s to now days. The D-InSAR results show that the maximum subsidence rate was up to 20m/a in the 1996, and decreased greatly from 20cm/a in 1996 to 5cm/a in 2005, which mainly owing to the controlling of underground water withdrawal policy in 1996s. For the lack of traditional monitoring results, only the first stage of D-InSAR result has been compared with leveling result, which demonstrated high consistence each other.
Description: 3rd International Symposium on Geoinformation for Disaster Management, Gi4DM 2007, Toronto, ON, 23-25 May 2007
URI: http://hdl.handle.net/10397/26915
ISBN: 3540721061
9783540721062
ISSN: 1863-2351
Appears in Collections:Conference Paper

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