Volume 35 Issue 1
Jan.  2010
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HU Teng, DU Ruilin, ZHANG Zhenhua, WU Yue. Simulation and Mechanism Analysis on Crustal Vertically Deformation in Three Gorges Reservoir Area Under the Condition of Reservoir Impoundment[J]. Geomatics and Information Science of Wuhan University, 2010, 35(1): 33-36.
Citation: HU Teng, DU Ruilin, ZHANG Zhenhua, WU Yue. Simulation and Mechanism Analysis on Crustal Vertically Deformation in Three Gorges Reservoir Area Under the Condition of Reservoir Impoundment[J]. Geomatics and Information Science of Wuhan University, 2010, 35(1): 33-36.
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Simulation and Mechanism Analysis on Crustal Vertically Deformation in Three Gorges Reservoir Area Under the Condition of Reservoir Impoundment

  • 1Earthquake Research Institute of China Earthquake Administration,40 Hongshan Road,Wuhan 430071,China;2Key Lab.of Geological Hazards on Three Gorges Reservoir of Ministry of Education,China Three Gorges University,8 Daxue Road,Yichang 443002,China

Funds: 国家自然科学基金资助项目(40575011,40674009)
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  • Received Date: October 01, 2009
  • Revised Date: October 01, 2009
  • Published Date: January 04, 2010
    Graphical Abstract
    • Abstract
  • The finite element model of Three Gorges area was built based on DEM and the actual GPS stations' coordinates.The crustal vertically deformation of the Three Gorges reservoir area was calculated under the condition of 135 meter,156 meter and 175 meter water level impoundment by means of the elasticity finite element analysis method respectively.Based on the Farrell's globosity deformation theory,the vertically deformation fields of the Three Gorges reservoir area was simulated under the condition of 135 meter water level impoundment.By comparing the two simulated fields,the mechanism of crustal vertically deformation are analyzed.The deformation isoline covered the valley line with the maximum in Xiangxi segment,and the regional sedimentation is synthetically geological function and the water body gravity as the main reason.
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