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Research on present crustal horizontal deformation feature of Weihe Basin and its tectonic activity

Qu, W., Zhang, Q., Wang, Q., and Li, Z. (2011) Research on present crustal horizontal deformation feature of Weihe Basin and its tectonic activity. Wuhan Daxue Xuebao (Xinxi Kexue Ban), 36 (7). pp. 830-834. ISSN 1671-8860

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Abstract

In this paper, two dimensional finite model of elastic mechanics is established according to the geological structure features of Weihe Basin. And the author obtains the stress and strain characteristics by the 2001~2007 GPS data in this region. In the end combine with the characteristic of recently seismic activity in Weihe basin, the relation between crustal deformation characteristics and the seismic activity is also discussed. The results show that current tectonic stress field of this basin presents tensile stress with NNW-SSE direction. The spatial distribution of maximum shear strain rate in Weihe Basin has a very good correlation with small modern seismic belt. The region of Jingyang-Xiany ang-Xi an-Lintong-Sanyuan belongs to the weak zone in the crust of Weihe Basin which is apt to basin extension and earthquake preparation.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s):Li, Dr Zhenhong
Authors: Qu, W., Zhang, Q., Wang, Q., and Li, Z.
Subjects:G Geography. Anthropology. Recreation > GB Physical geography
Q Science > QE Geology
College/School:College of Science and Engineering > School of Geographical and Earth Sciences > Geography
Journal Name:Wuhan Daxue Xuebao (Xinxi Kexue Ban)
Publisher:Wuhan Daxue
ISSN:1671-8860

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
513031GAS: Generic Atmosphere Solutions for radar measurementsZhenhong LiNatural Environment Research Council (NERC)NE/H001085/1School of Geographical and Earth Sciences