Landslide risk assessment and management: an overview

Landslides can result in enormous casualties and huge economic losses in mountainous regions. In order to mitigate landslide hazard effectively, new methodologies are required to develop a better understanding of landslide hazard and to make rational decisions on the allocation of funds for manageme...

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Bibliographic Details
Published in:Engineering geology 2002-04, Vol.64 (1), p.65-87
Main Authors: Dai, F.C, Lee, C.F, Ngai, Y.Y
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Exact sciences and technology
Geotechnics
Landslides
Natural hazards: prediction, damages, etc
Probability
Risk
Runout behavior
Soil mechanics. Rocks mechanics
Vulnerability
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Summary:Landslides can result in enormous casualties and huge economic losses in mountainous regions. In order to mitigate landslide hazard effectively, new methodologies are required to develop a better understanding of landslide hazard and to make rational decisions on the allocation of funds for management of landslide risk. Recent advances in risk analysis and risk assessment are beginning to provide systematic and rigorous processes to enhance slope management. In recent years, risk analysis and assessment has become an important tool in addressing uncertainty inherent in landslide hazards. This article reviews recent advances in landslide risk assessment and management, and discusses the applicability of a variety of approaches to assessing landslide risk. Firstly, a framework for landslide risk assessment and management by which landslide risk can be reduced is proposed. This is followed by a critical review of the current state of research on assessing the probability of landsliding, runout behavior, and vulnerability. Effective management strategies for reducing economic and social losses due to landslides are described. Problems in landslide risk assessment and management are also examined.
ISSN:0013-7952
1872-6917
DOI:10.1016/S0013-7952(01)00093-X