Volume 15 Issue 6
Apr.  2011
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ZHANG Qin, HUANG Guanwen, WANG Li, WU Xiaozhong, DING Xiaoguang. 2007: GPS MONITORING AND SURVEYING ON LAND SUBSIDENCE AND LAND FISSURE IN XIAN CITY. JOURNAL OF ENGINEERING GEOLOGY, 15(6): 828-833.
Citation: ZHANG Qin, HUANG Guanwen, WANG Li, WU Xiaozhong, DING Xiaoguang. 2007: GPS MONITORING AND SURVEYING ON LAND SUBSIDENCE AND LAND FISSURE IN XIAN CITY. JOURNAL OF ENGINEERING GEOLOGY, 15(6): 828-833.

GPS MONITORING AND SURVEYING ON LAND SUBSIDENCE AND LAND FISSURE IN XIAN CITY

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  • Received Date: 2007-07-26
  • Rev Recd Date: 2007-08-23
  • Publish Date: 2007-11-29
  • Xian is one of the most serious areas of land subsidence and land fissure geology disaster in our country. I In order to monitor land subsidence and land fissure in Xian, a GPS reference network was established. The paper includes the fundamental of GPS reference network, observation outside and data processing, and recounts some key technology. It is verified by practical example in this paper that the height measuring precision was achieved when the urban land subsidence was monitored using GPS surveying. The precision of GPS surveying can satisfy the requirement of the urban land subsidence and land fissure. Result of monitoring has a good coherence with precise leveling.
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