Application of IPTA to measurement of surface deformation across the Haiyuan fault

Limin Guo; Xinjian Shan; Chunyan Qu; Chisheng Wang; Xiaogang Song; Guifang Zhang; Yunhua Liu; Yufei Han

doi:10.1117/12.873224

3 November 2010 Application of IPTA to measurement of surface deformation across the Haiyuan fault

Limin Guo, Xinjian Shan, Chunyan Qu, Chisheng Wang, Xiaogang Song, Guifang Zhang, Yunhua Liu, Yufei Han

Proceedings Volume 7841, Sixth International Symposium on Digital Earth: Data Processing and Applications; 78410T (2010) https://doi.org/10.1117/12.873224
Event: The Sixth International Symposium on Digital Earth, 2009, Beijing, China

Abstract

The Haiyuan fault is a major active left-lateral fault in the northeast edge of Tibet-Qinghai Plateau. Studying this fault is important to understanding current deformation of the plateau and the mechanism of continental deformation. IPTA (Interferometric Point Target Analysis) can be summarized as an iterative improvement of the model parameters to achieve an optimal match to observe interferometric phases. The analysis is done for a selected set of points which correspond to point target candidates, and is a collection of tools to exploit the temporal and spatial characteristics of interferometric signatures collected from point targets to accurately map surface deformation histories, terrain heights, and relative atmospheric path delays. Surface deformation in the Haiyuan fault is about 4-6mm/y.

Citation Download Citation

Limin Guo, Xinjian Shan, Chunyan Qu, Chisheng Wang, Xiaogang Song, Guifang Zhang, Yunhua Liu, and Yufei Han "Application of IPTA to measurement of surface deformation across the Haiyuan fault", Proc. SPIE 7841, Sixth International Symposium on Digital Earth: Data Processing and Applications, 78410T (3 November 2010); https://doi.org/10.1117/12.873224

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KEYWORDS

Interferometry

Earthquakes

Interferometric synthetic aperture radar

Phase interferometry

Error analysis

Scattering

Calibration

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