SOIL EROSION CALCULATION USING AERIAL IMAGES BASED DTM IN A CROSS BORDER VINERY REGION

This paper shows the effect of different terrain models extracted out of nadir and oblique aerial surveyed data and the processing to DTM with respect to soil erosion risk evaluation. A cross border area between Germany and France, close to the city of Wissembourg, was affected by soil-erosion several times in the past. Vineyards aligned with the slope improve the risk for soil erosion. Applying the Universal Soil Loss Equation (USLE) in GIS-environment highlights areas of higher or lower risk in order to assist in strategies for a better the soil loss prevention. The lack of sufficient soil data limits the spatial resolution of the study and details given are mainly provided through the very dense terrain model. Nevertheless, terrain is one of the major factors defined in the slope angle and slope length.

Abstract licence: CC BY

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