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《Journal of Geodesy and Geodynamics》 2008-02
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Chu Yonghai1,2),Li Jiancheng1,2),Zhao Xiangfang3),Ma Jing4),Jin Taoyong1) and Xing Lelin1,5)1) School of Geodesy and Geomatics,Wuhan University,Wuhan 4300792) Key Laboratory of Geospace Environment and Geodesy,Ministry of Education, Wuhan University,Wuhan 4300793) Quality Supervision and Inspection Department of Product of Surveying and Mapping, Liaoning Province,Shenyang 1100154) Hubei Water Resources Technical College,Wuhan 4300705) Institute of Seismology,CEA,Wuhan 430071  
The mean ENVISAT-DEM of 3 years over Antarctic ice sheet is derived from ENVISAT altimeter data applied relocation and geophysical correction.The mean height difference between ENVISAT-DEM and RAMP-DEM is about 18m,it means that their accuracies are close to each other. Moreover,the height changes of several profiles over Antarctic ice sheet between 2003 and 2006 are also analyzed,the results show that the height changes are in a range of-0.31-0.17 m.
【Fund】: 国家863计划(2006AA09Z138 2006AA12Z309);; 国家自然科学基金(40637034)
【CateGory Index】: P224
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1 Chu Yonghai1,2),Li Jiancheng1,2),Jin Taoyong1) and Wang Haihong1,2)1)School of Geodesy and Geodematics,Wuhan University,Wuhan 4300792)Key Laboratory of Geospace Environment & Geodesy of Ministry of Education,Wuhan University,Wuhan 430079;APPLICATION OF T/P ALTIMETER BACKSCATTER DATA TO LAND SURFACE OBSERVATION[J];Journal of Geodesy and Geodynamics;2009-03
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