The build up of sandbars or shoals over time will cause the formation of long coastal features called a BARRIER ISLAND.
They line the coast of Georgia and protect it from storms.The barrier islands are very important as they protect the mainland from storms and waves. Additionally, they protect tidal lagoons that serve as nurseries for a variety of fish and shellfish.
These islands are essential for protecting coastal communities and ecosystems from extreme weather conditions. Beach dunes and grass on barrier islands absorb wave energy before the waves reach land. This usually means lower high tides and less coastal flooding.
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