Monitoring Xi'an land subsidence evolution by differential SAR interferometry

Qin Zhang, Chaoying Zhao, Xiaoli Ding, Jianbing Peng

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

7 Citations (Scopus)

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.
Original languageEnglish
Title of host publicationGeomatics Solutions for Disaster Management
PublisherKluwer Academic Publishers
Pages91-102
Number of pages12
ISBN (Print)3540721061, 9783540721062
Publication statusPublished - 1 Jan 2007
Event3rd International Symposium on Geoinformation for Disaster Management, Gi4DM 2007 - Toronto, ON, Canada
Duration: 23 May 200725 May 2007

Conference

Conference3rd International Symposium on Geoinformation for Disaster Management, Gi4DM 2007
Country/TerritoryCanada
CityToronto, ON
Period23/05/0725/05/07

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Earth-Surface Processes
  • Computers in Earth Sciences

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