TECTONIC STRESS VARIATION OF FENWEI BASIN DERIVED FROM GPS DATA
Zhang Yongzhi 1) ;Duan Hurong 1,2) ; Wang Weidong 1) ; Xu Haijun 1) ; and Shan Feng 1)
1)Institute of Geological Engineering and Geomatics, Chang’an University, Xi’an 7100542)Shanxi Railway Institute, Weinan 714000
Abstract The maximum principal stress and shear in depth 15 km of earth crust in Fenwei basin are computed by using GPS data observed from 2004—2007. The computed results show the following situatuins.1) The distribution of maximum principal stress variation are not uniform that the principal stress increased in mountain area and decreased in basin area. 2)The shear decreased in BaojiXianyang and increased in TangyuPucheng.
Key words :
GPS velocity
Green function method
inversion
tectonic stress variation
Fenwei basin
Received: 01 January 1900
Corresponding Authors:
Zhang Yongzhi
Cite this article:
Zhang Yongzhi ,Duan Hurong,Wang Weidong et al. TECTONIC STRESS VARIATION OF FENWEI BASIN DERIVED FROM GPS DATA[J]. , 2011, 31(2): 44-47.
Zhang Yongzhi ,Duan Hurong,Wang Weidong et al. TECTONIC STRESS VARIATION OF FENWEI BASIN DERIVED FROM GPS DATA[J]. jgg, 2011, 31(2): 44-47.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I2/44
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