Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7267
Title: Coseismic slip inversion based on InSAR arc measurements
Authors: Wang, C
Ding, XL 
Li, Q
Issue Date: 2014
Publisher: Copemicus Gesellschaften
Source: Natural hazards and earth system sciences, 2014, v. 14, no. 3, p. 649-656 How to cite?
Journal: Natural hazards and earth system sciences 
Abstract: We present a new method for inverting coseismic slip distribution based on arc measurements of InSAR interferograms. The method only solves the integer ambiguities on the selected arcs so that the challenging task from global unwrapping of low coherence interferograms can be avoided. The simulated experiment results show that the new method recovered the given slip distribution well at different coherence quality levels. However, the conventional method with global interferogram unwrapping fails when the interferogram has some isolated areas. In addition, the new method is capable of using surface rupture offset data gathered in the field. We apply the proposed method to study the 2010 Yushu, China Ms 7.1 earthquake. Inclusion of field data can help to enhance the results of fault slip inversion. It derives a maximum slip of ∼3 m, larger than the published coseismic slip results on this event, but agreeing with the largest offset of 3.2 m from field investigation.
URI: http://hdl.handle.net/10397/7267
ISSN: 1561-8633
EISSN: 1684-9981
DOI: 10.5194/nhess-14-649-2014
Rights: © Author(s) 2014. CC Attribution 3.0 License, https://creativecommons.org/licenses/by/3.0/
The following publication Wang, C., Ding, X., & Li, Q. (2014). Coseismic slip inversion based on InSAR arc measurements. Natural Hazards and Earth System Sciences, 14(3), 649-656 is available at http://dx.doi.org/10.5194/nhess-14-649-2014
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