›› 2003, Vol. 24 ›› Issue (6): 931-934.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Method of differential GPS to monitor large-scale land subsidence

XIONG Chun-bao1，TANG Li-gang1，KUANG Shao-jun2，HUANG Li-ren3   

  1. 1.School of Constructional Engineering，Tianjin University, Tianjin 300072，China； 2.Tianjin Control Land Subsidence Office，Tianjin 300042，China； 3. First Land Deformation Monitoring Center, State Seismological Bureau, Tianjin 300180, China
  • Received:2003-04-20 Online:2003-12-10 Published:2014-08-19

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Abstract: The methods of monitoring large-scale land subsidence by static and kinematic differential global positioning system (DGPS) were described in detail. Resulting from different reference planes, the difference between the measured subsidence by GPS and by leveling were investigated. An example of monitoring Tianjin land subsidence by GPS was given. Through analyzing the accuracy of Tianjin land subsidence monitored by GPS in 1999-2002, it was shown that static DGPS can take the place of long-distance precise leveling for monitoring large-scale land subsidence.

Key words: land subsidence, GPS (global positioning system), differential, monitoring

CLC Number: 

  • TU 433
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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