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引用本文:孟国杰,申旭辉,伍吉仓,任金卫.���������ֽ�ؿ��α������о�[J].大地测量与地球动力学,2007,27(1):19-23.
作者姓名:孟国杰  申旭辉  伍吉仓  任金卫
作者单位:1. 中国地震局地震预测研究所,北京,100036
2. 同济大学测量与国土信息工程系,上海,200092
3. 俄罗斯科学院大地物理研究所,莫斯科 123995
基金项目:973“专项中俄资源环境领域重大问题合作研究”(2005CB724803),地震科学联合基金(605032),中国博士后基金(20040350495)
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文章编号:1671-5942(2007)01-0019-05
修稿时间:2006年7月5日

PRESENT-DAY CRUSTAL MOVEMENT IN NORTHEAST CHINA WITH GPS DATA
Meng Guojie,Shen Xuhui,Wu Jicang,Ren Jinwei,Eugene A Rogozhin.PRESENT-DAY CRUSTAL MOVEMENT IN NORTHEAST CHINA WITH GPS DATA[J].Journal of Geodesy and Geodynamics,2007,27(1):19-23.
Authors:Meng Guojie  Shen Xuhui  Wu Jicang  Ren Jinwei  Eugene A Rogozhin
Institution:1)Institute of Earthquake Prediction,CEA,Beijing 1000362)Department of Surveying and Geomatics, TongjiUniversity,Shanghai 2000923)Institute of Physics of the Earth, Russian Academy of Sciences, Moscow 123995
Abstract:The present-day crustal deformation in the northeast China is studied with GPS data of 37stations during 1997-2005. The velocities re-lated to Eurasia is generally small, 1.58mm/aon average, it is showing that the region is generally stable. Horizontal velocities of 5stations appear to be significant at 95% con-fidencelevel, however other stations show in-significant motion. Several stations in the southwestern corner of the studied region areconsistently moving towards the southeast, this is most probably a distant effect of the eastward motion of Qinghai-Tibet plateau. Small velocities of the stations near the epi-centers of the 1999 Mw7.1 and 2002 Mw7.3 deep-focus earthquakes in Wangqing County,show that the 2 earthquakes did not cause broad de-formation of shallow crust.The horizontal velocities of the stations in the Northeast- ern Heilongjiang province may reflect the ef-fect of the North America plate’s in vasion onthe Eurasia plate.
Keywords:Northeast China  GPS  crustal deformation  Eurasia plate  horizontal movement velocity
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