GIS based assessment on landslide hazard zonation

Case study of cameron highlands - Gua Musang Road Kelantan, Malaysia

Mohamed M. Gahgah, Juhari Mat Akhir, Abdul Ghani M Rafek, Ibrahim Abdullah

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    The aim of this study is to investigate the factors that cause landslides in the area along the new road between Cameron Highlands and Gua Musang. Landslide factors such as lineaments have been extracted from remote sensing data (Landsat TM image) using ERDAS software. A soil map has been produced using field work and laboratory analysis, and the lithology, roads, drainage pattern and rainfall have been digitized using ILWIS software together with the slope angle and elevation from the Digital Elevation Model (DEM). All these parameters, which are vital for landslide hazard assessment, have been integrated into the geographical information system (GIS) for further data processing. Weightage for these landslide relevant factors related to their influence in landslide occurrence using the heuristic method has been carried out. The results from this combination through a modified 'index overlay with multi class maps' model was used to produce a landslide hazard zonation map. Five classes of potential landslide hazard have been derived as the following: very low hazard zone 17.27%, low hazard zone 39.35%, medium hazard zone 25.1%, high hazard zone 15.35% and very high hazard zone 2.93%. The results from this work have been checked through the landslide inventory using available aerial photos interpretation and field work and show that the slope and elevation have the most direct affect on landslide occurrence.

    Original languageEnglish
    Pages (from-to)827-833
    Number of pages7
    JournalSains Malaysiana
    Volume38
    Issue number6
    Publication statusPublished - Oct 2009

    Fingerprint

    zonation
    landslide
    GIS
    hazard
    road
    fieldwork
    software
    slope angle
    hazard assessment
    lineament
    heuristics
    Landsat thematic mapper
    digital elevation model
    lithology
    drainage
    remote sensing
    rainfall

    Keywords

    • Hazard
    • Landslide
    • Landslide factors
    • Remote sensing

    ASJC Scopus subject areas

    • General

    Cite this

    GIS based assessment on landslide hazard zonation : Case study of cameron highlands - Gua Musang Road Kelantan, Malaysia. / Gahgah, Mohamed M.; Akhir, Juhari Mat; Rafek, Abdul Ghani M; Abdullah, Ibrahim.

    In: Sains Malaysiana, Vol. 38, No. 6, 10.2009, p. 827-833.

    Research output: Contribution to journalArticle

    Gahgah, Mohamed M. ; Akhir, Juhari Mat ; Rafek, Abdul Ghani M ; Abdullah, Ibrahim. / GIS based assessment on landslide hazard zonation : Case study of cameron highlands - Gua Musang Road Kelantan, Malaysia. In: Sains Malaysiana. 2009 ; Vol. 38, No. 6. pp. 827-833.
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