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Land Subsidence Survey and Monitoring in the North China Plain

HE Qing-cheng,LIU Wen-bo,LI Zhi-ming   

  1. China Institute of Geo-environmental Monitoring
  • Received:2006-06-20 Revised:2006-06-20 Online:2006-06-20 Published:2006-06-20

Abstract: The North China Plain has witnessed the most excessive pumping of groundwater in the world and covers the largest subsidence area with the most funnels on the planet. The groundwater level of approximately 70,000 square kilometers in this region falls below sea level. Surface subsidence has picked up speed over the last two decades as a result of an increasing demand for groundwater caused by fast economic growth and urbanization, pollution of surface water and the construction of skyscrapers. This paper put forward a series of work programming to monitor and control land subsidence mainly caused by groundwater overdraft in North China Plain. Finally, Some progressed and achievements on basic facilities construction and general study are presented in this paper.