The rationale behind the DSI equation is explained and the examples of temporal and spatial data visualisation products presented include; a long term national wind erosion record (1965 2011), continental DSI maps, and maps of the erosion event types that are factored into the DSI equation.
The HCT map displays the erosion rates for each of the 30 × 30 m grid cells while the SWAT map displays the erosion rates for hydrologic response units (HRUs).
Overall, we have suggested that the combination of two approaches, USLE and spectral indices, could be an indispensable tool for integrated soil management, especially with the perspective to evaluate and map the soil erosion risk.
According to the map of erosion risks generated for the catchment, there were three distinct areas with different soil erosion features where fallout 137Cs was used to assess the soil redistribution pattern.
Three abandoned Wari terrace systems were mapped using microtopographic methods, the erosion patterns examined, the states of preservation compared, and then the design contrasted with modern terracing practices in the Moquegua Valley.
The erosion risk map produced corresponds well to field observations (accuracy of 82%).
The basis are the erosion risk map with a 2 m resolution (ERM2) and the drainage network, which is extended by drained roads, farm tracks, and slope depressions.
In this regard, it became necessary to quantify and map soil erosion in the Ikkour watershed.
As observed from the current map, erosion of <5 t ha−1 yr−1 is observed in a few areas in the south and southeast, which is observed to have converted into areas with higher erosion rate, as projected in the future maps.
Therefore, this study was designed to quantify, analyze and map soil erosion risk areas within the Cheleleka watershed using the Revised Universal Soil Loss Equation (RUSLE and GISS tools.
