Barrier island

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Definition of Barrier island:
A barrier islands is a ridge of sand that runs parallel to the main coast but is separated from it by a bay or lagoon.
  1. A detached portion of a barrier beach between two inlets.
  2. An offshore sand bar that rises above the mean high-water level, forming an island.
  3. An sandy island formed on a barrier reef. [1].
This is the common definition for Barrier island, other definitions can be discussed in the article


See also

Classification of sandy coastlines

References