Present-day slip-rate of Altyn Tagh Fault: Numerical result constrained by GPS data

	Present-day slip-rate of Altyn Tagh Fault: Numerical result constrained by GPS data
	Xiong, X ; Park, PH ; Zheng, Y ; Hsu, H ; Han, U
刊名	EARTH PLANETS AND SPACE
	2003
卷号	55 期号:8 页码:509-514
关键词	Slip-rate Altyn Tagh Fault Gps Observations Numerical Simulation
ISSN号	1343-8832
文献子类	Letter
英文摘要	Geological and seismic evidence suggests that nearly two thirds of the convergence between India and Eurasia is accommodated by the crustal deformation of Asia. Two competing mechanisms were proposed to describe this accommodation: distributed crustal thickening and lateral extrusion along main faults. The kinematics of the Altyn Tagh Fault (ATF) is critical in determining the relative importance of these two mechanisms, inasmuch as the ATF slip-rates predicted by hypotheses of these competing mechanisms are very different. Using a finite element formalism to construct a thin-sheet model, we seek a velocity solution approaching the current kinematics of the ATF. The GPS data in the Tibetan Plateau and neighboring regions are employed as constraint conditions, in successive steps. The predicted velocity distribution near the ATF fits well to the observations, with overall standard deviations of 2.3 mm/yr and 2.8 mm/yr for the northward and eastward components, respectively. The inferred average slip-rate of the ATF is (7.4 +/- 1) mm/yr, with some variation along the fault. The slip-rate estimate of the ATF reported in this paper supports the distributed crustal thickening hypothesis for the crustal deformation of the Tibetan Plateau.
WOS关键词	GLOBAL POSITIONING SYSTEM ; CRUSTAL DEFORMATION ; CONTINENTAL COLLISION ; CENTRAL-ASIA ; CHINA ; PLATE ; TECTONICS ; HISTORY ; MODEL ; TIBET
WOS研究方向	Geology
语种	英语
出版者	TERRA SCIENTIFIC PUBL CO
WOS记录号	WOS:000186187500006
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/78565]
专题	中国科学院地质与地球物理研究所
通讯作者	Xiong, X
作者单位	1.Chinese Acad Sci, Inst Geodesy & Geophys, Wuhan 430077, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100101, Peoples R China 3.Korea Astron Observ, GPS Res Grp, Taejon 305348, South Korea 4.Univ Sci & Technol China, Coll Earth & Space Sci, Hefei 230026, Peoples R China 5.Korean Mil Acad, Dept Environm Sci, Seoul 139799, South Korea
推荐引用方式 GB/T 7714	Xiong, X,Park, PH,Zheng, Y,et al. Present-day slip-rate of Altyn Tagh Fault: Numerical result constrained by GPS data[J]. EARTH PLANETS AND SPACE,2003,55(8):509-514.
APA	Xiong, X,Park, PH,Zheng, Y,Hsu, H,&Han, U.(2003).Present-day slip-rate of Altyn Tagh Fault: Numerical result constrained by GPS data.EARTH PLANETS AND SPACE,55(8),509-514.
MLA	Xiong, X,et al."Present-day slip-rate of Altyn Tagh Fault: Numerical result constrained by GPS data".EARTH PLANETS AND SPACE 55.8(2003):509-514.