A remote sensing approach for mapping and classifying riparian gully erosion in Tropical Australia

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Recent aerial and ground reconnaissance through the Gulf of Carpentaria has identified riparian gully erosion as one of the dominant contemporary sediment sources to many of the large rivers draining into the Gulf of Carpentaria. Similar processes have also been identified in the Savannah regions of the NT and WA, particularly the Victoria and Ord Rivers. It has also been suggested that broad scale gully erosion of this type and associated local scale denudation is a fundamental control on vegetation community dynamics in these regions (Pringle and Tinley, 2003), and yet existing ecological models do not take this into account.