VERTICAL MOTION OF NORTH CHINA INFERRED FROM
DENSE GPS NEASUREMENTS
1）GNSS Research Center，Wuhan University，Wuhan 430079
Abstract The data from continuous GPS stations and survey mode campaign GPS stations were processed using uptodate geophysical correction models and 364 vertical velocities were obtained.The results show that there are uplift areas and subsidence areas in north China.Almost whole north China plain(NCP）surfers from serious ground subsidence，and the largest subsidence rate reaches 144.0 mm/a，average rate reaches 40.0 mm/a.In addition，Shanxi rift also sink due to withdrawing groundwater，the rate is smaller than that in NCP.In the most areas of Shanxi plateau，ground uplifts lightly，with an average rate of 1.8 mm/a，which is larger than that in Sulu and Yanshan orogenic belt.The results reveal that the present vertical motion pattern of north China is consistent with morphologic pattern and neotectonic movement.
Key words ：
GPS data set
vertical deformation rate
spatial averaging
north China area
surface subsidence
Received: 31 December 2013
Published: 26 September 2014
Cite this article:
Zhao Bin,Nie Zhaosheng,Huang Yong et al. VERTICAL MOTION OF NORTH CHINA INFERRED FROM
DENSE GPS NEASUREMENTS[J]. jgg, 2014, 34(5): 35-39.
Zhao Bin,Nie Zhaosheng,Huang Yong et al. VERTICAL MOTION OF NORTH CHINA INFERRED FROM
DENSE GPS NEASUREMENTS[J]. jgg, 2014, 34(5): 35-39.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I5/35
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