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Title: 联合GPS和InSAR观测结果计算汶川地震三维地表形变
Other Titles: Calculation of three-dimensional terrain deformation of wenchuan earthquake with GPS and insar data
Authors: Ban, B
Wu, J
Chen, YQ 
Feng, G
Hu, S
Keywords: GPS
LOS displacement
Wenchuan earthquake
Surface fitting
Issue Date: 2010
Publisher: 国家地震局地震研究所
Source: 大地测量与地球动力学 (Journal of geodesy and geodynamics), Aug. 2010, v. 30, no. 4, p. 25-28, 35 How to cite?
Journal: 大地测量与地球动力学 (Journal of geodesy and geodynamics) 
Abstract: 为了解决合成孔径雷达干涉测量(InSAR)不能真实反映三维地表形变量,给分析地震的水平位移场和垂直位移场带来困难的问题,提出一种联合利用GPS和InSAR观测结果计算地表三维位移的方法,并以汶川地震为例进行计算。计算结果表明,汶川地震具有明显的右旋和逆冲特征。
InSAR(Synthetic Aperture Radar Interferometry)can only obtain the displacements along direction of LOS(line-of-sight),it is not the real three-dimensional surface deformation.Therefore it is difficult to analyze both vertical and horizontal terrain displacements.A method combining GPS and InSAR data to calculate three-dimensional terrain displacements of Wenchuan earthquake is proposed.The results show that the earthquake pupture is obviously right-leteral and thrust.
ISSN: 1671-5942
Rights: © 2010 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2010 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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