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Tybee Island, Georgia
Barrier islands are sandy accumulations formed by lunar time period and waves . Despite the threat of tempest , people have long build on roadblock island . Tybee Island , Georgia , above , has been home to a lighthouse since 1736 .
South Padre Island, Texas
Only about 15 percent of the world ’s shores are lined by roadblock islands , according to the National Oceanic and Atmospheric Administration ( NOAA ) . Many , like South Padre Island , like the Gulf and East Coasts of the United States .
The Outer Banks, North Carolina
North Carolina ’s Outer Banks — have a go at it as Pine Island in the region shown in this range — protect a web of interlink waterways , including Currituck Sound , a shallow , 3 - mi - extensive water system consistency ; the North River ; and the well - known Albemarle Sound . Wakes from barges on the Intracoastal Waterway appear on the North River , which provides a link between the Hampton Roads area to the north and Pamlico Sound to the Dixieland . Farmland ( light colored patches at top unexpended ) and urbanized expanse ( gray areas on earth at ikon nerve center ) fill all available “ high-pitched ” ground , which is still only a few feet above sea level in this area . This astronaut photograph illustrates how universe density increases near the coastline .
Storm-Threatened Islands
This 2010 image of Hurricane Earl bearing down on the North Carolina seashore unveil how exposed barrier island are to storm spate and high winds from hurricane .
Hilton Head Island, South Carolina
Change is perpetual on barrier island ; gumption is always shifting . But humans have built up islands like Hilton Head , South Carolina , putting building in the mode of hurricane and storms .
Dauphin Island, Alabama
Piers and buildings line the east end of Dauphin Island , Alabama .
Chandeleur Islands, Louisiana
Part of the Chandeleur Islands , before and after Hurricane Katrina . The storm denude off up to 85 percent of of island .
Gulf Coast Barrier Islands
Normally , silt coming from the Mississippi would regenerate the Chandeleur Islands , but the river has been dammed and diverted , preventing full loads of sediment from make the disconnect . In this vista of the Gulf , the Chandeleurs are a scarce - seeable crescent in the center field - left field of the image .
Sapelo Island, Georgia
Trees stand on tiptoes on Sapelo Island , Georgia in this 1999 pic . Erosion carries Amandine Aurore Lucie Dupin from the north end of the island and stick it in sand sand dune at the south remainder .
Eroding Away
This dateless NOAA picture shows erosion on a barrier island beach — and the sandbag people practice to seek to stem the damage .
Outer Banks
Last glow of sunset over the beaches and sea-coast of the Outer Banks , N.C.
