Abstract
AbstractSoil erosion has become a serious environmental problem in southern Italy, where annual soil loss associated with extreme rainfall events can reach 100–150 t ha−1. In order to predict rates of soil loss and sediment yields, to inform the development of effective erosion and sediment control strategies in these areas, several prediction models have been utilized in recent years. Most of these models are based on the universal soil loss equation (USLE) or revised universal soil loss equation (RUSLE). However, they require calibration and validation if they are to be used to provide reliable estimates of soil erosion and sediment yield. The use of fallout Cs137 measurements affords a useful means of assembling spatially distributed information on soil redistribution rates, which can be used to calibrate and validate sediment yield models. This paper reports a study in which Cs137 measurements have been used to calibrate the sediment delivery component of the sediment delivery distributed (SEDD) mode...
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