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《Acta Seismologica Sinica》 2001-05
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ESTABLISHMENT ANALYSIS OF THE UNIFIED HORIZONTAL CRUSTAL VELOCITY FIELDS ON THE CHINA CONTINENT

Li Yanxing 1) Hu Xinkang 1) Shuai Ping 1) Zhang Zhongfu 1) Huang Cheng 2) Zhu Wenyao 2) Hu Xiaogong 2)1) First Crustal Deformation Monitoring Center, China Seismological Bureau, Tian jin 300180, China 2) Shanghai Observatory,  
The related data of GPS networks on the China continent and its peripheral areas are collected from internet sites in this paper. The various data fusion method s are presented based on the collected GPS data. Thus the unified horizontal cru stal velocity fields can be established in the China continent and its periphera l areas. The available data of 423 GPS sites are applied to the velocity fields and its area gets to 1.2×10 7 km 2. By analyzing the velocity fields, the bas ic sp ace distribution feature of the horizontal crust motion on the China continent a nd its peripheral area can be obtained preliminarily. Meanwhile, the range of th e velocity fields in the China continent affected from the collision force of In dia Plate to Eurasia Plate and the problem of the principal direction of the act ing force from India Plate are discussed.
【Fund】: 国家重点基础研究发展规划项目 (G1 9980 4 0 7)资助
【CateGory Index】: P227
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