After noticing how the development of dams considerably alter the hydrodynamics of pure rivers and the ensuing downstream riverbed evolution, researchers determined to use numerical simulations to assist decide what's at play within the relationship of sediment movement and movement circumstances.

The Planet hill in the middle of the lane image with interplanetary station Mars Reconnaissance Orbiter (MRO) has blocked the way to the dune is travelling to the right on the South. And "sand strip" is divided in two to go around the barrier