NDLI: PS-InSAR monitoring and finite element simulation of geomechanical and hydrogeological responses in sedimentary formations

Content Provider	IEEE Xplore Digital Library
Author	Qi Li Ito, K. Yanfang Dong Sato, I. Seki, Y. Tomishima, Y. Okuyama, S.
Copyright Year	2011
Description	Author affiliation: Geological Survey of Japan, AIST Tsukuba, Japan (Ito, K.; Sato, I.; Seki, Y.; Tomishima, Y.) \|\| Institute of Earthquake Science, China Earthquake Administration, Beijing, China (Yanfang Dong) \|\| Institute of Seismology and Volcanology, Hokkaido University, Japan (Okuyama, S.) \|\| State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics (IRSM), Chinese Academy of Sciences, Wuhan, China (Qi Li)
Abstract	With the first use of the corner reflector based permanent scatterer interferometric synthetic aperture radar (CR-PS-InSAR) technology, the earth's surface deformation, strongly associated with subsurface flow, of Horonobe underground research laboratory (URL) is successfully monitored during its construction. The temporal and spatial characteristics of interferometric signatures collected from CR point targets are exploited to accurately map surface deformation histories and terrain heights of the URL site, especially around the monitoring boreholes. By developing a hydromechanical poroelastic model, satellite monitoring is linked to characterization of deep groundwater flow. The geomechanical and hydrogeological responses of sedimentary formations to the drilling of the shaft was modeled using a two-dimensional finite element model. A good correlation between measured and modeled responses indicated that both the boundary conditions and rock properties are well understood by the proposed coupled inversion methodology.
Starting Page	2193
Ending Page	2196
File Size	345903
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049602
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites Monitoring Geology Synthetic aperture radar Earth Laboratories Spaceborne radar Underground research laboratory Coupled inversion Corner reflector PS-InSAR Sedimentary formation
Content Type	Text
Resource Type	Article

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