Development of strategies for the quantitative assessment of sediment yield by water erosion using decision support systems at mountainous catchments
Abstract
Τhe main objective of this PhD dissertation was the improvement of soil loss estimation at mountainous Mediterranean type catchments, as well as the identification of the most susceptible to erosion areas.Study area included the catchments of Venetikos (Grevena Bridge sub-catchment), Kalamas (Soulopoulo Bridge and Kioteki sub-catchments) Arachthos (Arta; Plaka; Tsimovo; Gogo Bridge sub-catchments) and Acheloos (Avlaki Dam sub-catchment) Rivers.The methodology followed was initially comprised by the implementation of twelve different empirical soil erosion models at each sub-catchment, both annually and inter-annually. Subsequently, the models’ performance was evaluated {qualitatively (as far as their specific characteristics and capabilities is concerned) and quantitatively [their numeric results were cross-evaluated with the sub-catchment’s measured sediment yield (PPC)]}, in order to select the one corresponding best to the region’s specific conditions. The prevalent one (RUSLE), tak ...
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