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《ACTA GEODAETICA ET CARTOGRAPHIC SINICA》 1997-04
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SPACE GEODETIC DETECTION OF POSTGLACIAL REBOUND

Sun Fuping, Ning Jinsheng, Chao Dingbo (Wuhan Technical University of Surveying and Mapping, Wuhan, 430070) Zhao Ming, Qian Zhihan (Shanghai Observatory, Chinese Academy of Sciences, Shanghai, 200030)  
This paper discusses the methods and results of detection of postglacial rebound by using space geodetic measurements(rates of change for baselines, site velocities). The comparison and correlation analysis between space geodetic results and predictions of postglacial rebound from the new geophysical model ICE-4G shows that they have good agreement, their high correlation(about 0.80 ̄0.90), indicates that space geodetic techniques now have been able to detect postglacial rebound at 1 ̄10 mm/a level. However, the space geodetic results are generally 1.5 times larger in absolute value than ICE-4G predictions, which probably shows that the current postglacial rebound motions are more violent than the geophysical predictions.
【CateGory Index】: P228
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