NDLI: Integrating medium and high resolution PSInSAR data to monitor terrain motion along large scale manmade linear features- a case study in Shanghai

Content Provider	IEEE Xplore Digital Library
Author	Daqing Ge Yan Wang Ling Zhang Man Li Xiaofang Guo
Copyright Year	2013
Description	Author affiliation: China Aero Geophys. Survey & Remote Sensing Center for Land & Resources (AGRS), Beijing, China (Daqing Ge; Yan Wang; Ling Zhang; Man Li; Xiaofang Guo)
Abstract	We present in this work the monitoring of terrain displacement along large scale manmade linear features in Shanghai city by integrating medium and high resolution PSInSAR data. Focused on the stability of linear features themselves and infrastructures over the path of linear features, land subsidence along Shanghai Magnetic Levitation (Maglev) and No. 10 subway tunnels have been investigated. In the first case we reported the impact of regional subsidence to Maglev line by analyzing PSInSAR measurements from ENVISAT ASAR data and Cosmo 3m resolution data. Subsidence velocity map derived through Cosmo data indicates that the Maglev line has slightly displacement although regional subsidence rate reaches 2-3 cm per year described by ENVISAT data. The second case dedicated on the assessment of subway tunnels to buildings over the path of No. 10 subway. By time series analysis of the Cosmo SAR data acquired during Nov 2008 to June 2010, terrain subsidence in the construction period and operational period of No. 10 line has been studied. The PSInSAR data demonstrated that subsidence caused by subway tunnels reaches l-2cm and it is accelerated after the running of subways since the dynamic loading effect of vehicles.
Sponsorship	IEEE Geosci. Remote Sens. Soc.
Starting Page	4034
Ending Page	4037
File Size	2014863
Page Count	4
File Format	PDF
ISBN	9781479911141
ISSN	21536996
DOI	10.1109/IGARSS.2013.6723718
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	subway tunels Linear feature PSInSAR Cosmo-skymed Shanghai Maglev
Content Type	Text
Resource Type	Article

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