A GIS application for assessing landslide hazard over a large area

A Zolfaghari, Andrew C Heath

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

A sophisticated GIS application for assessing landslide hazard on a large scale is presented. In order to assess the landslide hazard, the critical natural slope in a small field of study, 200 m × 200 m, is found and the slope is analysed using a non-circular failure envelope with estimated soil properties, groundwater levels, earthquake, and surcharged loadings. The analysis uses a probabilistic approach, where groundwater, earthquake and soil properties each contribute to the analysis, even though some factors may have a relatively small influence. Landslide hazard can then be estimated within a period of time by analysing the probabilistic distribution of factor of safety.
Original languageEnglish
Pages (from-to)278-285
Number of pages8
JournalComputers and Geotechnics
Volume35
Issue number2
DOIs
Publication statusPublished - Mar 2008

Keywords

  • Probabilistic
  • Earthquake
  • Slope stability
  • Groundwater
  • GIS

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