The extraction of lineaments using slope image derived from digital elevation model: Case study of Sungai Lembing - Maran area, Malaysia

Anwar Abdullah, Juhari Mat Akhir, Ibrahim Abdullah

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    Slope image created from digital elevation models (DEMs) is helpful in identifying lineaments in Sungai Lembing - Maran area. The image can enhance and identify lineaments at different sets. Lineaments were extracted from slope image are shown to have four sets of lineament systems, the first system of lineaments with azimuth orientation of N45°W is dominant in the area, the second, third and fourth lineament systems with azimuth orientations of N-S, N 90° E and N 45° E are subdominant in the study area. The total length of lineaments is 2139 Km and the number of lineaments is 782. In this study, a large number of lineaments were compared to the structures depicted on the geologic map of the area, and to field observations. A positive correlation between data derived form these different sources supports the above mentioned orientations of lineaments. The accuracy of lineament map is computed by using GIS overlay technique that determines where the lineaments and faults are matched. Total length of intersection is calculated to be 325.65 Km, this is 31.4 % of the faults identified in the area which also defines the accuracy of the lineament map prepared in this study for the whole area.

    Original languageEnglish
    Pages (from-to)1745-1751
    Number of pages7
    JournalJournal of Applied Sciences Research
    Volume6
    Issue number11
    Publication statusPublished - Nov 2010

    Fingerprint

    lineament
    digital elevation model
    azimuth
    GIS

    Keywords

    • DEM
    • Lineaments
    • Slope image
    • Threshold

    ASJC Scopus subject areas

    • General

    Cite this

    The extraction of lineaments using slope image derived from digital elevation model : Case study of Sungai Lembing - Maran area, Malaysia. / Abdullah, Anwar; Akhir, Juhari Mat; Abdullah, Ibrahim.

    In: Journal of Applied Sciences Research, Vol. 6, No. 11, 11.2010, p. 1745-1751.

    Research output: Contribution to journalArticle

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