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Integration of TerraSAR-X and PALSAR PSI for detecting ground deformation
Lan, HX; Gao, X; Liu, HJ; Yang, ZhiHua(杨志华); Li, LP
Corresponding AuthorLan, HX
AbstractIn connection with the detection of various spatial- and temporal-scale ground settlements, an integrated persistent scatterer interferometry (PSI) approach is discussed using multi-source, multi-temporal, and multi-resolution synthetic aperture radar (SAR) data. Based on the comprehensive analysis of characteristics of available radar sensors, two remote-sensing SAR data sets were selected: 1m resolution X-band TerraSAR-X and 10m resolution L-band Advanced Land Observing Satellite (ALOS) phased array L-band SAR. Tianjin Binhai New Area' has become one of the most important economic centres in China, and one of its fast-developing urban areas, Tanggu, was selected as the study area. PSI processing was conducted on both data sets. Substantial validation was performed for PSI results from both data sources using levelling measurement. The overall good agreement confirmed the ground deformation maps derived from both data sets. Integration of PSI results appears to be a potentially significant contribution to solving the problems related to common spatial and temporal gaps when using single-type data sets. Application of both data sets revealed the capability of integrated PSIs to measure ground deformation with strong temporal and spatial variation, thereby improving the interpretation of ground deformation characteristics which increases the confidence of hazard assessment and provides some insight into complex underlying mechanisms.
Indexed BySCI
Funding OrganizationNational Science Foundation of China 41272354;National Key Technology RD Programme 2008BAK50B05
Document Type期刊论文
Corresponding AuthorLan, HX
Recommended Citation
GB/T 7714
Lan, HX,Gao, X,Liu, HJ,et al. Integration of TerraSAR-X and PALSAR PSI for detecting ground deformation[J]. INTERNATIONAL JOURNAL OF REMOTE SENSING,2013,34(15):5393-5408.
APA Lan, HX,Gao, X,Liu, HJ,Yang, ZhiHua,&Li, LP.(2013).Integration of TerraSAR-X and PALSAR PSI for detecting ground deformation.INTERNATIONAL JOURNAL OF REMOTE SENSING,34(15),5393-5408.
MLA Lan, HX,et al."Integration of TerraSAR-X and PALSAR PSI for detecting ground deformation".INTERNATIONAL JOURNAL OF REMOTE SENSING 34.15(2013):5393-5408.
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