BREAKWATERS
Breakwaters also prevent nearby unprotected sections of beaches from receiving fresh supplies of sediments and they may gradually shrink due to erosion in a process known as longshore drift. Breakwaters may also be small structures designed to protect a gently sloping beach.When oncoming waves hit breakwaters, their erosive power is concentrated on these structures, which are some distance away from the coast. This creates an area of slack water between the breakwaters and the coast.Breakwaters also prevent nearby unprotected sections of beaches from receiving fresh supplies of sediments and they may gradually shrink due to erosion in a process known as longshore drift.
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