Barrier Island (Geoform Type)

Component: Geoform

Unique Identifier: 113

Geoform Origin	Geologic
Geoform	Island
Geoform Type	Barrier Island

Description

Definition

A long, narrow, sandy island that is above high tide and parallel to the shore. Barrier islands commonly have dunes, vegetated zones, and swampy or marshy terrains extending lagoon-ward from the beach.