Integration of PALSAR and ASTER satellite data for geological mapping in tropics

Pour, Amin Beiranvand and Hashim, Mazlan (2015) Integration of PALSAR and ASTER satellite data for geological mapping in tropics. In: JIGC 2015, 28-30 Oct,2015, Kuala Lumpur, Malaysia.

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This research investigates the integration of the Phased Array type L-band Synthetic Aperture Radar (PALSAR) and the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) satellite data for geological mapping applications in tropical environments. The eastern part of the central belt of peninsular Malaysia has been investigated to identify structural features and mineral mapping using PALSAR and ASTER data. Adaptive local sigma and directional filters were applied to PALSAR data for detecting geological structure elements in the study area. The vegetation, mineralogic and lithologic indices for ASTER bands were tested in tropical climate. Lineaments (fault and fractures) and curvilinear (anticline or syncline) were detected using PALSAR fused image of directional filters (N-S, NE-SW, and NW-SE).Vegetation index image map show vegetation cover by fusing ASTER VNIR bands. High concentration of clay minerals zone was detected using fused image map derived from ASTER SWIR bands. Fusion of ASTER TIR bands produced image map of the lithological units. Results indicate that data integration and data fusion from PALSAR and ASTER sources enhanced information extraction for geological mapping in tropical environments.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:geological mapping, gold exploration
Subjects:G Geography. Anthropology. Recreation > G Geography (General) > G70.39-70.6 Remote sensing
Divisions:Geoinformation and Real Estate
ID Code:61641
Deposited By: Fazli Masari
Deposited On:26 Apr 2017 12:13
Last Modified:17 Aug 2017 09:05

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