A growing structure near the deformation front in SW Taiwan as deduced from SAR interferometry and geodetic observation

Mong Han Huang, Jyr Ching Hu, Chia Sheng Hsieh, Kuo En Ching, Ruey Juin Rau, Erwan Pathier, Bénédicte Fruneau, Benoît Deffontaines

研究成果: Article同行評審

25 引文 斯高帕斯(Scopus)

摘要

We apply the D-InSAR technique to monitor the active growing structure on the Tainan Tableland near the deformation front in SW Taiwan using ERS SAR images in the period of 1996-2000. Interferometric processing of six SAR images reveals the average slant range displacement (SRD) to be ∼12.5 mm/yr, and it increases from the west edge of the Tainan Tableland and decreases across the Houchiali fault. The GPS campaign data indicate an average horizontal movement of 12 ± 4 mm/yr in the direction of N44°W for the Tainan Tableland with respect to the western coastline. Five precise leveling surveys across the Tainan Tableland over two years show an uplift rate of ∼14 mm/yr for the benchmarks on the Tableland. By combining the horizontal velocity of GPS data and the SRD of D-InSAR we transfer the SRD into vertical deformation and discuss the deformation pattern, and seismic hazards in the Tainan area.

原文English
文章編號L12305
期刊Geophysical Research Letters
33
發行號12
DOIs
出版狀態Published - 2006 6月 28

All Science Journal Classification (ASJC) codes

  • 地球物理
  • 地球與行星科學(全部)

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