Harpoon lagoon4/18/2023 ![]() ![]() During the rainy season, when rivers flood the lake with their outflow, Lake Nokoue is almost entirely freshwater. Lake Nokoue, Benin, is a lagoon whose narrow mouth to the Atlantic Ocean is almost entirely protected by sandbars. Lagoons with more protection from the open ocean have a more freshwater habitat. Besides fishing, visitors to the sounds enjoy boating and recreational activities such as water skiing and parasailing. The tourism industry also thrives in the coastal lagoons of the Outer Banks. The area is rich in biodiversity: waterfowl and fish from flounder to bass thrive in the region. The lagoons of the Outer Banks have mostly brackish water, a mix of saltwater from the Atlantic Ocean and freshwater from many river mouths in the area. Engineers continually monitor and maintain the Outer Banks by dredging sand from the seafloor to fortify the islands. The protection they offer the shores and lagoons is vital to the environment and economy of the region. They are not anchored to the earth, and suffer from coastal erosion during storms. The Outer Banks are actually enormous sandbars. ![]() These areas are sheltered from storm surges and other waves that often pound the shore during the Atlantic Ocean's hurricane season. The Outer Banks create a series of lagoons known as sounds: Currituck Sound, Albemarle Sound, and Pamlico Sound. The Outer Banks are barrier islands along the coast of the U.S. When the sea level is high, they can look like coastal lakes or bays. When the sea level is low, coastal lagoons are swampy wetlands. The size and depth of coastal lagoons often depend on sea level. Coastal lagoons are created as a shallow basin near the shore gradually erodes, and the ocean seeps in between the sandbars or barrier islands. They form in areas with small tidal ranges. Coastal lagoons form along coastal plains-flat or gently sloping landscapes. Coastal Lagoons Lagoons sheltered by sandbars or barrier islands are called coastal lagoons. ![]() Lagoons are often called estuaries, sounds, bays, or even lakes. A lagoon is a shallow body of water protected from a larger body of water (usually the ocean) by sandbars, barrier islands, or coral reefs. ![]()
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