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In this study a methodological framework is presented using tools and techniques of geoinformatics to quantify gully erosion. The study was conducted in the Fergusson catchment; a sub-catchment of the Daly river, Northern Australia. Various airborne and field based reconnaissance surveys have shown that the catchment in places is severely affected by gully erosion producing large amounts of sediment. The framework applied comprised of Cartosat-1 (2.5 m resolution) stereo imagery 2008, topographic maps 1:20,000, 1 ...