Abstract
Wind erosion force vectors were computed from data of frequencyof occurrence of windspeed and direction based on the assumptionthat wind erosion is proportional to (windspeed)3× duration of exposure.The vertical distribution of eroded soil material wasmathematically described. The transition height betweensaltation and suspension could be identified and used tointegrate the two equations describing saltation and suspension.The soil avalanching process was studied by evaluating the horizontal changes of eroded soil material. The vertical andhorizontal distribution of eroded soil constituents, i.e.,particle size distribution, mean weight diameters, plantnutrients and heavy minerals content for selected wind stormswere also evaluated. Results revealed that soil constituents change considerably with the height and downwind distance.To assess the changes in soil properties due to wind erosion,surface soil samples were taken from the original eroded surfaceand from freshly accumulated drifts near the eroded field.Enrichment ratios were more than one for the fine fraction, organic matter, moisture retention, and chemical constituentsindicating a loss in their contents in the eroded field.
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Moursy, F.I., Gaber, E.I. & Samak, M. Sand Drift Potential in El-Khanka Area, Egypt. Water, Air, & Soil Pollution 136, 225–242 (2002). https://doi.org/10.1023/A:1015233507882
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DOI: https://doi.org/10.1023/A:1015233507882