NDLI: Land subsidence analysis and inundation prediction based on multi-temporal digital elevation model data

Content Provider	IEEE Xplore Digital Library
Author	Pai-Hui Hsu Wen-Ray Su Chung-Hung Tsai
Copyright Year	2010
Description	Author affiliation: Center of Information Educating, Taiwan Hospitality and Tourism College, Taiwan (Chung-Hung Tsai) \|\| Department of Civil Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan (R.O.C.) (Pai-Hui Hsu) \|\| National Science & Technology Center for Disaster Reduction, Taiwan (Wen-Ray Su)
Abstract	Because large amount of ground water have been excessively withdrawn within the lowlands along the southwestern area in Taiwan, the land subsidence becomes a serious problem that property damages and life losses in the subsidence area will be caused by the poor drainage and serious flooding arise during the periods of typhoon and heavy rainfall. Therefore, how to monitor and analyze the land subsidence effectively will be an important study issue. In this study, many kinds of geospatial information are firstly collected and analyzed for subsidence monitoring. The error adjustment of the multi-temporal Digital Elevation Models (DEMs) data is implemented using the Least Squares Collocation (LSC) method proposed in our previous research works. Then the HEC-RAS and FLO-2D models are used to simulate the flood hazards to test the performance of the LSC adjustment method. The results are also used to analyze the influence of the land subsidence for flood hazards.
Starting Page	3339
Ending Page	3342
File Size	457254
Page Count	4
File Format	PDF
ISBN	9781424495658
ISSN	21537003
e-ISBN	9781424495665
e-ISBN	9781424495641
DOI	10.1109/IGARSS.2010.5650544
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Floods Mathematical model Predictive models Monitoring Rivers Equations Flood Simulation Land Subsidence Digital Elevation Models Least Squares Collocation
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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