STUDY ON RECONSTRUCTING 3D COSEISMIC DEFORMATLON
FIELD BASED ON SAR IMAGES
1）Institute of Engineering Mechanics, CEA, Harbin 150080
Abstract Taking the 2008 Gaize earthquake as an example, we use InSAR and MAI techniques to measure line of sight (LOS）and azimuth (AZI）deformations, respectively.InSAR+AZI(model 1）and MultiLOS(model 2）models are applied to reconstruct 3D coseismic deformation fields, Compared with simulations, we discover that the deformations in eastwest,vertical directions of the two models are consistent with each other; however, in northsouth direction, the results of model 1 are tally with the actual situation, while massive distortions occur in that of model 2.
Key words ：
Multiple-aperture SAR Interferometry (MAI）
InSAR
3D coseismic deformation field
Offset-Tracking
Gaize Ms6.9 earthquake
Received: 23 December 2012
Published: 16 August 2013
Cite this article:
Liu Bin,Zhang Jingfa,Luo Yi et al. STUDY ON RECONSTRUCTING 3D COSEISMIC DEFORMATLON
FIELD BASED ON SAR IMAGES[J]. jgg, 2013, 33(4): 4-8.
Liu Bin,Zhang Jingfa,Luo Yi et al. STUDY ON RECONSTRUCTING 3D COSEISMIC DEFORMATLON
FIELD BASED ON SAR IMAGES[J]. jgg, 2013, 33(4): 4-8.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2013/V33/I4/4
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