Monitoring and Analyzing on Ground Settlement in Beijing Area Based on SBAS-InSAR
Abstract In this paper, SBAS-InSAR is used to obtain high resolution ground subsidence information for the Beijing region. A spatial-temporal analysis of the ground subsidence in the region during the years of 2007 to 2010 is performed utilizing eighteen ENVISAT ASAR images. The results show that subsidence in the Beijing region is severely uneven; that multiple subsidence funnels formed in Changping district, Shunyi district, Tongzhou district, etc. are interconnected and have an eastward expansion trend; that the subsidence velocities in most areas are in the range of -150 mm/a to 10 mm/a and the maximum subsidence is over 400 mm; and that ground subsidence is influenced by groundwater exploitation and urbanization significantly.
Key words :
ground subsidence
SBAS-InSAR
Beijing area
spatial-temporal analysis
Cite this article:
ZHOU Lü,GUO Jiming,LI Xin et al. Monitoring and Analyzing on Ground Settlement in Beijing Area Based on SBAS-InSAR[J]. jgg, 2016, 36(9): 793-797.
ZHOU Lü,GUO Jiming,LI Xin et al. Monitoring and Analyzing on Ground Settlement in Beijing Area Based on SBAS-InSAR[J]. jgg, 2016, 36(9): 793-797.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2016/V36/I9/793
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