Evaluation Of Landslide Causative Factors
Towards Efficient Landslide Susceptibility
Modelling In The Cameron Highlands, Malaysia
Author(s)
A. N. Matori & A. Basith
Abstract
Landslide is complex interactions involving various terrain parameters and
caused by various causative factors, even though each of them may not be
equally significant to the occurrences of landslide. Hence to produce an efficient
landslide susceptibility map (LSM) it is crucial to decide whether to include all
the causative factors or otherwise. This paper presents evaluation of the relative
role of landslide causative factors from which an efficient landslide susceptibility
model could be constructed. Ten factors are used in this study namely lithology,
geology lineament, soil, road network, river/drainage, land use land cover, slope,
slope aspect, curvature, and elevation. Several scenarios were used in which
causative factors are used in the modeling of LSM. A number of final LSMs are
produced as the result of applying the above different scenarios. From the
assessment of the accuracy of the LSM produced, it could be concluded that
involvement of all factors does not guarantee of producing accurate LSM. On the
other hand, using only six significant factors which are soil type, distance from
road (hence cut slope), proximity to river and lake and elevation produces more
accurate LSM.
Keywords: efficient landslide susceptibility modelling, Cameron Highlands.
Keywords
efficient landslide susceptibility modelling, Cameron Highlands.
Related Book
Other papers in this volume
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