How can they not cause erosion? Waves have power and they have patience. They are not in a hurry. They collect wind energy from the surface of the ocean and hurl it at the beach. Again and again. They are cyclic – almost. read more
Waves cause erosion by moving sand and debris during storms and other events, as they break higher than normal on the beach, pulling sand back into the water with them. Human interventions and major weather events such as tropical storms and hurricanes erode beaches in this way. read more
Waves cause erosion by the force of the wave onto the ground below it and it picks up sand and rocks. It is like when a river causes erosion but waves do it more aggressively. If the waves are strong and hit rocks and cliffs hard enough, the rock breaks into smaller particles. read more