Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/1806
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dc.contributor.authorJuhari, bin Mat Akhir-
dc.date.accessioned2009-11-20T13:10:24Z-
dc.date.available2009-11-20T13:10:24Z-
dc.date.issued1990-
dc.identifier.urihttp://hdl.handle.net/1893/1806-
dc.description.abstractThis study describes the use of Landsat MSS and TM for geological applications in two Scottish areas: Lochindorb and Loch Tuel; and one Malaysian area: Kedah-Perak. The areas are poorly exposed and highly vegetated. The data were digitally processed with the objective of producing more interpretable images. The processes include contrast enhancement, ratioing, subtraction, principal component analysis, discriminant analysis, filtering, the combination of images as colour composites, and producing negative images of the data. Geological interpretation of the most informative images was undertaken by visual interpretation. In the Lochindorb area, Landsat MSS imagery did not prove useful for superficial deposits mapping, and the resolution offers by the TM is still not sufficient for semi-detailed mapping at scale 1: 50,000. The combination of TM imagery and aerial photographs, however, made the mapping task easier and produced "better" map. In the Kedah-Perak area, textural information is more important than spectral information for lithological interpretation and many image units correlate well with major mapped rocks. Lineaments are well expressed on Landsat imagery and are mapped for the Loch Tummel and Kedäh-Perak areas. The lineament maps for both areas confirm many mapped faults and reveal a new prominent lineaments (probably faults). For the Loch Tummel area, the relative merits of TM versus MSS data were examined. Both produced similar results regarding major lineament orientations, but the TM provides a good improvement over the MSS in the ability to map lineaments. For both areas, lineaments appear to be correlated with geomorphology (lithology), and with the occurrence of ore deposits and probably geologic structure for the Kedah-Perak area. Landsat imagery can be used to aid lithological mapping in Malaysia, but has not proved useful for Scotland (U. K. ) because of different objectives and constraints. However, Landsat imagery is an effective tool in mapping lineaments for both areas.en
dc.language.isoenen
dc.publisherUniversity of Stirlingen
dc.subject.lcshLandsat satellitesen
dc.subject.lcshImage processing Digital techniquesen
dc.subject.lcshGeological mapping Scotlanden
dc.subject.lcshGeological mapping Malaysiaen
dc.titleDigital processing of satellite images for geological applications with examples from North-East Scotland and North-West Malaysiaen
dc.typeThesis or Dissertationen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnameDoctor of Philosophyen
dc.contributor.affiliationSchool of Natural Sciences-
dc.contributor.affiliationDepartment of Environmental Science-
Appears in Collections:eTheses from Faculty of Natural Sciences legacy departments



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