How do waves move sand if they come up and back?



  1. 0 Votes

    Waves rarely hit the beach straight on. Usually the waves crash into the coast at an angle. With time this motion will push the sand in the direction of that angle, thus one part of the beach may get stripped of sand while another may get fed. Also remember that the waves come in but they also roll back out and can take sand out along with it. These are a natural processes that only become problematic when people build structures that interrupts the natural flow and/or simply want the sand to stay in one place for aesthetic reasons.

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