Beach nourishment

Beach nourishment describes a process by which sediment, usually sand, lost through longshore drift or erosion is replaced from other sources. A wider beach can reduce storm damage to coastal structures by dissipating energy across the surf zone, protecting upland structures and infrastructure from storm surges, tsunamis and unusually high tides. Beach nourishment is typically part of a larger integrated coastal zone management aimed at coastal defense.

Nourishment is typically a repetitive process because it does not remove the physical forces that cause erosion; it simply mitigates their effects.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY 2.0

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