Numerical Investigation on Impact Erosion of Aeolian Sand Saltation in Gobi

Sand drift erosion is common on aeolian landforms, particularly in the Gobi desert where sand often quite strong. can lead to many types of hazards, including severe crop loss, structural damage buildings or infrastructure, and abrasion soil clay components that contribute production fine particulate matter. This article combines flow model with solid particles simulate process a variety environments. The results show impact saltation highly dependent both friction velocity gravel coverage. Saltation amount increases increment vertical profile saltating rate displays clear stratification pattern composed linear increasing layer, monotonic decreasing layer. maximum value as their curve shows power-law relationship. height caused by primarily concentrated range 0.03 m 0.15 m, it approximately linearly velocity.