Abstract
The Sea coast in the region of towns of Cabo Frio, Armação dos Búzios and Arraial do Cabo, state of Rio de Janeiro, is characterized by dune-barriers. Geologists say that these dunes are due, in past the relative sea level fluctuation in these place 5000 to 6000 years in the past. Some dunes are called actives and their positions change with wind; others are established with vegetables de…