![]() ![]() It could also be used to protect sand dunes and their unique ecosystems from damage. The research could help in the design of more effective barriers that can, for instance, stop sand dunes invading agricultural land. ![]() The model, published in Physical Review Fluids, is the first to describe interactions between sand dunes and obstacles.īy analysing how currents are deflected in the presence of an obstacle, they were also able to develop an efficient, data-driven tool which aims to forecast how a dune will interact with its surroundings. The team's experiment - which featured mock-up obstacles of varying size and shape - shows that large obstacles are the most effective at halting the migration of a dune, especially when they are ridge-shaped, like a wall, rather than smooth and cylindrical, like a pipeline. ![]()
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