Jan 1, 2013

Landslide hazard assessment: recent trends and techniques

SpringerPlus
Sudhakar D PardeshiSuchitra S Pardeshi

Abstract

Landslide hazard assessment is an important step towards landslide hazard and risk management. There are several methods of Landslide Hazard Zonation (LHZ) viz. heuristic, semi quantitative, quantitative, probabilistic and multi-criteria decision making process. However, no one method is accepted universally for effective assessment of landslide hazards. In recent years, several attempts have been made to apply different methods of LHZ and to compare results in order to find the best suited model. This paper presents the review of researches on landslide hazard mapping published in recent years. The advanced multivariate techniques are proved to be effective in spatial prediction of landslides with high degree of accuracy. Physical process based models also perform well in LHZ mapping even in the areas with poor database. Multi-criteria decision making approach also play significant role in determining relative importance of landslide causative factors in slope instability process. Remote Sensing and Geographical Information System (GIS) are powerful tools to assess landslide hazards and are being used extensively in landslide researches since last decade. Aerial photographs and high resolution satellite data are useful in dete...Continue Reading

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Mentioned in this Paper

Heuristics
Spatial Distribution
Evaluation
Hazards Models
Remote Sensing
Monitoring - Action
Geographic Information Systems
Location - Remote

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