Abstract
Differential Interferometric Synthetic Aperture Radar (D-InSAR) is used to monitor the land subsidence of Xi'an City, China over the period of 1992-1993. Four different interferometric pairs are used to calculate land subsidence rates over the monitored area. A high resolution external DEM and precise satellite orbit data are adopted to remove the topographic effects on interferograms in the D-InSAR processing. Historical leveling measurement results are used to assess the D-InSAR results by overlaying the 2-D subsidence patterns from D-InSAR and subsidence profiles from leveling measurements.
| Original language | English |
|---|---|
| Title of host publication | VI Hotine-Marussi Symposium on Theoretical and Computational Geodesy - IAG Symposium |
| Pages | 94-98 |
| Number of pages | 5 |
| Volume | 132 |
| DOIs | |
| Publication status | Published - 1 Dec 2008 |
| Event | IAG Symposium - 6th Hotine-Marussi Symposium on Theoretical and Computational Geodesy - Wuhan, China Duration: 29 May 2006 → 2 Jun 2006 |
Conference
| Conference | IAG Symposium - 6th Hotine-Marussi Symposium on Theoretical and Computational Geodesy |
|---|---|
| Country/Territory | China |
| City | Wuhan |
| Period | 29/05/06 → 2/06/06 |
Keywords
- differential interferometric SAR (D-InSAR)
- leveling
- monitoring
- Subsidence
ASJC Scopus subject areas
- Computers in Earth Sciences
- Geophysics
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