LANDSLIDE SUSCEPTIBILITY ANALYSIS (LSA) USING WEIGHTED OVERLAY METHOD (WOM) ALONG THE GENTING SEMPAH TO BENTONG HIGHWAY, PAHANG
Journal Title: Malaysian Journal of Geosciences - Year 2017, Vol 1, Issue 2
Abstract
This study focused on the Landslide Susceptibility Analysis (LSA) of the Karak highway, which link the Genting Sempah to Bentong area, Pahang. The physical relief of the study area is largely flat to undulating and moderately rough to steep mostly. The aims of this study are to identify the landslide prone area and to produce the Landslide Susceptibility Level (LSL) map using Weighted Overlay Method (WOM) integrated with Geographic Information System (GIS) and remote sensing techniques. Landslide locations were identified in the study area from imagery and aerial photograph interpretations followed by field work observation. The topographic, geologic data and satellite images were collected, processed and constructed into a spatial database using image processing. The factors that influence landslide occurrences such as slope gradient, slope aspect, topographic curvature and distance from drainage were retrieved from the topographic database. Geomorphology, lithology and geological structure were generated from the geologic database; whereas land use and soil types from SPOT satellite data image. Several areas are considered as susceptible, such as areas of Ladang Fook Who, Kg. Temiang, Ladang Ng Chin Siu, Kemajuan Tanah Genting Pandak, Kg. Lentang, Kg. Baharu Bt. Tinggi and Ladang Pandak. To avoid or minimize the landslide occurrences, development planning has to consider the hazard and environmental management program. This engineering geological study may play a vital role in Landslide Risk Management (LRM) to ensure the public safety.
Authors and Affiliations
Rodeano Roslee, Alvyn Clancey Mickey, Norbert Simon, Mohd. Norazman Norhisham
Keywords
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- EP ID EP263437
- DOI 10.26480/mjg.02.2017.13.19
- Views 119
- Downloads 0
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