GRAVITY CHANGE AND SUBSIDENCE OF TAIYUAN BASIN
1)Key Laboratory of Earthquake Geodesy, Institute of Seismology, CEA, Wuhan 430071
2)Wuhan Base of Institute of Crustal Dynamics,CEA Wuhan 430071
Abstract The repeated gravity data and absolute gravity data were used to study vertical deformation of Taiyuan Basin. preliminary results show that the principal form of vertical deformation in Taiyuan Basin is subsidence, and its rate drops gradually. The subsidence rate in Taiyuan Basin is 21.8 mm/a from 2001 to 2006, caused by combination of inherited tectonic motion and groundwater exploration. The subsidence rate in Jinci area is 66mm/a since 2009, caused by inherited tectonic motion.
Key words :
gravity data
gravity change
surface subsidence
Taiyuan Basin
groundwater
Received: 24 June 2013
Published: 23 January 2014
Cite this article:
Xuan Songbai,Shen Chongyang,Xing Lelin et al. GRAVITY CHANGE AND SUBSIDENCE OF TAIYUAN BASIN[J]. jgg, 2014, 34(1): 24-27.
Xuan Songbai,Shen Chongyang,Xing Lelin et al. GRAVITY CHANGE AND SUBSIDENCE OF TAIYUAN BASIN[J]. jgg, 2014, 34(1): 24-27.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I1/24
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