Abstract
We compare the factors which affect the movement of Tibetan Plateau by building three types of finite element models: an elastic materials (M-EC), a continuous model composed by non-linear materials (M-PC), and an elastic model with discontinuous fault movements (M-ET). Both in M-ET and M-EC, the materials in Qiangtang and Lhasa block are elastic, and in M-ET, discontinuous movement of faults is considered for evaluating the effects of strike-slip faults. In model M-PC Druker-Prager plastic materials are used in Qiangtang and Lhasa block. Comparisons of the numerical simulation and the GPS observations show following characteristics: (1) Under present tectonic environment, short-term deformation of Tibetan Plateau can be simulated well by elastic models; (2) Discontinuous fault activities increase the lateral extrusion of the eastern part of Tibetan Plateau, reduce the stress field level in Qiangtang, Tarim and Qaidam blocks and strengthen the E-W extensional force in the east and the west parts of Qiangtang block; (3) Properties of plastic materials reduce the total stress field and the E-W extensional force, thus, the normal fault earthquakes in southern Tibet is mainly owed to the effect of active fault movement. Based on the numerical simulations we speculate that faults movement may play a more important role on the kinematic pattern of Tibetan Plateau than bulk properties.
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5 References
Avouac J P and Tapponnier P (1993). Kinematics model of active deformation in Central Asia. Geophys Res Lett20: 895–898.
Chinese Academy of Geology (CAG) (2008). Atlas of Wenchuan MS8.0 Earthquake. Report of Wenchuan Expert Committee.
Ding Z F, He Z Q, Wu J P and Sun W G (2001). Research on the 3-D seismic velocity structures in Qinghai-Xizang Plateau. Earthquake Research in China17(2): 202–209.
Ding Z Y, Yang Y Q, Yao Z X and Zhang G H (2001). A think-skinned collisional model for the Taiwan orogency. Tectonophysics332: 321–331.
England P and Molnar P (1990). Right-lateral shear and rotation as the explanation for strike slip faulting in eastern Tibet. Nature344: 140–142.
England P and Molnar P (1997). Active deformation of Asia: From kinematics to dynamics. Science278: 647–650.
England P and Molnar P (2005). Late Quaternary to decadal velocity fields in Asia. J Geophys Res110: B12401, doi: 10.1029/2004JB003541.
Flesch L M, Haines A J and Holt W E (2001). Dynamics of the India-Eurasia collision zone. J Geophys Res106(B8): 16 435–16 460.
Fu R S, Li L G, Huang J H and Xu Y M (1999). Threestep model of the Qinhai-Xizang Plateau uplift. Chinese J Geophys42(5): 610–616 (in Chinese with English abstract).
Haines A J and Holt W E (1993). A procedure for obtaining the complete horizontal motions within zones of distributed deformation from the inversion of strain rates data. J Geophys Res98(B7): 12 057–12 082.
Holt W E, Chamot-Rooke N, Le Picheon X, Haines A J and Tu B S (2000). Velocity field in Asia inferred from Quaternary fault slip rates and Global Positioning System observations. J Geophys Res105(B5): 19 185–19 209.
Houseman G and England P (1993). Crustal thickening versus lateral expulsion in the Indian-Asian continental collision. J Geophys Res98(B7): 12 233–12 249.
Houseman G and England P (1996). A lithospheric thickening model for the Indo-Asian collision. In: Yin A and Harrison T M eds. The Tectonic Evolution of Asia. Cambridge University Press, New York, 3–17.
Kong X H and Bird P (1996). Neotectonics of Asia: Thinshell, finite element models with faults. In: Yin A and Harrison T M eds. The Tectonic Evolution of Asia. Cambridge University Press, New York, 18–35.
Lin A M, Fu B H, Guo J M, Zeng Q L, Dang G M, He W G and Zhao Y (2001). Co-seismic strike-slip and rupture length produced by the 2001 MS8. 1 central Kunlun earthquake. Science296: 2 015–2 017.
Liu M and Yang Y (2003). Extensional collapse of the Tibetan Plateau: Results of three-dimensional finite element modeling. J Geophys Res108(B8): 2 361, doi: 10.1029/2002JB002248.
Molnar P and England P (1990). Late Cenozoic uplift of mountain ranges and global climate change: Chicken or egg? Nature346: 29–34.
Molnar P, England P and Martinod J (1993). Mantle dynamics, uplift of the Tibetan Plateau and the Indian Monsoon. Review of Geophysics31(4): 357–396.
Molnar P and Tapponnier P (1975). Cenozoic tectonics of Asia: Effects of continental collision. Science189: 419–426.
Peltzer G and Saucier F (1996). Present day kinematics of Asia derived from geologic fault rates. J Geophys Res101: 27 943–27 956.
Peltzer G and Tapponnier P (1988). Formation and evolution of strike-slip faults, rifts and basins during the India-Asia collision: An experimental approach. J Geophys Res93: 15 085–15 117.
Peltzer G, Tapponnier P and Armijo R (1989). Magnitude of Late-Quaternary lefe-lateral displacements along the north edge of Tibet. Science246: 1 285–1 289.
Royden L H (1996). Coupling and decoupling of crust and mantle in convergent orogens: Implications for strain partitioning in the crust. J Geophys Res101: 17 679–17 705.
Royden L H, Burchfiel B C and van de Hilst R D (2008). The geological evolution of the Tibetan Plateau. Science321: 1 054–1 058.
Royden L H, Burchfiel B C, King R W, Wang E, Chen Z L, Shen F and Liu Y P (1997). Surface deformation and lower crustal flow in eastern Tibet. Science276: 788–790.
Sella G F, Dixon T H and Mao A (2002). Revel: A model for recent plate velocities from space geodesy. J Geophys Res107(B4), doi:10.1029/2000JB000033.
Shen F, Royden L H and Burchfiel B C (2001a). Large-scale crustal deformation of the Tibetan Plateau. J Geophys Res106(B4): 6 793–6 816.
Shen Z K, Wang M, Li Y X, Jackson D D, Yin A, Dong D N and Fang P (2001b). Crustal deformation along the Altyn Tagh fault system, western China, from GPS. J Geophys Res106(B12): 30 607–30 621.
Stone R (2008). An unpredictably violent fault. Science 320: 1 578–1 580.
Su W, Peng Y J, Zheng Y J and Huang Z X (2002). Crust and upper mantle shear velocity structure beneath the Tibetan Plateau and adjacent areas. Acta Geoscientia Sinica23(3): 193–200.
Tapponnier P and Molnar P (1977). Active faulting and tectonics of China. J Geophys Res82: 2 905–2 930.
Tapponnier P and Molnar P (1979). Active faulting and Cenozoic tectonics of Tien Shan, Mongolia and Baykal regions. J Geophys Res84: 3 425–3 459.
Tapponnier P, Meyer B, Avouac J P, Peltzer G, Gaudemer Y, Guo S M, Xiang H F, Yin K L, Chen Z T, Cai S H and Dai H G (1990). Active thrusting and folding in the Qilian Shan, and decoupling between upper crust and mantle in northeastern Tibet. Earth Planet Sci Lett97: 382–403.
Tapponnier P, Peltzer G and Armijo R (1986). On the mechanics of the collision between India and Asia. In: Coward M P and Ries A C eds. Collision Tectonics. Geol Soc Lond Spec Publ19: 115–157.
Tapponnier P, Xu Z Q, Roger F, Meyer B, Meyer B, Arnaud N, Wittlinger G and Yang J S (2001). Oblique stepwise rise and growth of the Tibetan Plateau. Science294: 1 671–1 677.
Wang C Y, Han W B, Lou H and Chan W W (2007). Crustal structure beneath the eastern margin of the Tibetan Plateau and its tectonic implications. J Geophys Res112: B07307, doi: 10.1029/2005JB003873.
Wang Q, Zhang P Z, Freymueller J T, Bilham R, Larson K M, Lai X A, You X Z, Niu Z J, Wu J C, Li Y X, Liu J N, Yang Z Q and Chen Q Z (2001). Present-day deformation in China constrained by Global Positioning System measurements. Science294: 574–577.
Wang Z M (2001). Analysis of discontinuous deformation and modern crustal movement. [PhD Dissertation]. Wuhan University, Wuhan.
Xiong X, Park P H, Zheng Y, Hus H and Han U (2003). Present-day slip-rate of Altyn Tagh Fault: Numerical result constrained by GPS data. Earth Planet Space55: 509–514.
Xu Z H, Wang S Y, Huang Y R and Gao A J (1989). Analysis of Chinese continental tectonic stress field by massive earthquake data. Chinese J Geophys32(6): 346–354 (in Chinese with English abstract).
Yao H, Beghein C and van der Hilst R D (2008). Surface wave array tomography in SE Tibet from ambient seismic noise and two-station analysis II. Crustal and uppermantle structure. Geophys J Int doi:10.1111/j.1365-246X.2007.03696.x
Yao H, Van der Hilst R D and de Hoop MV (2006). Surfacewave array tomography in SE Tibet from ambient seismic noise and two-station analysis I. Phase velocity maps. Geophys J Int166: 732–744.
Yin A and Harrison T M (2000). Geological evolution of the Himalayan-Tibetan Orogen. Annual Review of Earth Planetary Sciences28: 211–280.
Zheng Y, Chen Y, Fu R S and Xue T X (2007), Simulation of the effects of faults movement on stress and deformation fields of Tibetan Plateau by discrete movement modes. Chinese J Geophys50(5): 122–132 (in Chinese with English abstract).
Zheng Y, Fu R S and Xiong X (2006). Dynamic simulation of lithospheric evolution from the modern China mainland and its surrounding areas. Chinese J Geophys49(2): 415–427 (in Chinese with English abstract).
Zheng Y, Ma H-S, Lü J, Ni S D, Li Y C and Wei S J (2009). Source mechanism of strong aftershocks (MrmS≥5.6) of the 2008/05/12 Wenchuan earthquake and the implication for seismotectonics. Science in China (Series D)52(6): 739–753.
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Zheng, Y., Xiong, X., Chen, Y. et al. Effects of fault movement and material properties on deformation and stress fields of Tibetan Plateau. Earthq Sci 24, 185–197 (2011). https://doi.org/10.1007/s11589-011-0783-5
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DOI: https://doi.org/10.1007/s11589-011-0783-5