NDLI: Landslide risk assessment with multi pass DInSARanalysis : A case study over Uljin, Korea

Content Provider	IEEE Xplore Digital Library
Author	Hyewon Yun Jung Rack Kim Shih-Yuan Lin JaeMyeong Kim HoJoon Park
Copyright Year	2013
Description	Author affiliation: Dept. of Geoinf., Univ. of Seoul, Seoul, South Korea (Hyewon Yun; Jung Rack Kim; JaeMyeong Kim; HoJoon Park) \|\| Dept. of Land Econ., Nat. Chengchi Univ., Taipei, Taiwan (Shih-Yuan Lin)
Abstract	Landslide is one of the most dreadful natural hazards and the prime risk source causing lethal damages in many countries. In spite of various attempts to measure the landslide susceptibility by the remote sensed method including Differential Interferometric SAR (DInSAR) analysis, the construction of reliable forecasting systems still remains unsolved. In this study, we tackled the problem of DInSAR analysis for monitoring landslide risk over the mountainous areas where InSAR observations are usually contaminated by the orographic effects. In order to attain the correct surface deformation, time series analysis and atmospheric correction of DInSAR interferograms were conducted and crossly validated. As the result, both accordswith the external landslide triggering factors. Thus the quantitative landslide monitoring scheme is supposedly feasible on the condition that the high accuracy atmospheric error map and the methodology effectively compensating it from interferograms are available. The scheme in this study will be further upgraded for the application of future C, X and L band SAR by incorporating the spaceborne radiometer and/or weather forecasting model to establish electromagnetic wave delay map.
Sponsorship	IEEE Geosci. Remote Sens. Soc.
Starting Page	289
Ending Page	292
File Size	2080855
Page Count	4
File Format	PDF
ISBN	9784885522789
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-23
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electronics, Information and Communication Engineers (IEICE)
Subject Keyword	Atmospheric measurements Atmospheric modeling Terrain factors Delays Synthetic aperture radar Interferometry Meteorology
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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