A Technical Survey of Various Methodologies for Landslide Susceptibility Mapping and Hazard Analysis
Journal Title: International Journal of Computer Science & Engineering Technology - Year 2013, Vol 4, Issue 4
Abstract
The effect of landslide and its consequences always impact negatively on the inhabitants of a certain region or zone. The overall damage of socio- economic structure and loss of human lives always a matter of concern. Numerous approaches of landslide susceptibility mapping, hazard analysis have been developed and in most cases remote sensing, Geographical Information System (GIS) remains the core of the developed model. In this paper a detailed technical review of various satellite images and based on those inputs, developed methodologies have been discussed to draw and monitor general synopsis of the developed landslide susceptibility mapping and hazard analysis techniques and systems. Discussion on Various satellite image dataset of SPOT-5, MODIS, Quickbird, IKONOS, ALOS AVNIR, TerraSAR-X and use of software such as E-GEOs, GAMMA package, Geomatica, ERDAS Imagine etc. working on those datasets also been recognized. The importance of Image processing techniques such as Brovey Transform method, Smoothing filter-based modulation, Image Fusion, on such datasets have been illustrated. Change monitoring methodologies of a geographical region based on normalized vegetation index (NDVI) also been analyzed.
Authors and Affiliations
Goutam Das
Keywords
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