Breakwater (structure)
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A breakwater is a permanent structure constructed at a coastal area to protect against tides, currents, waves, and storm surges. Breakwaters have been built since antiquity to protect anchorages, help
Breakwater under construction in Ystad, Sweden (2019)
A breakwater in Haukilahti, Espoo, Finland
Barra da Tijuca – Rio de Janeiro
Similar wave motion along a seawall at the Visby breakwater in Sweden
Jetty
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A jetty is a man-made structure that protrudes from land out into water. A jetty may serve as a breakwater, as a walkway, or both; or, in pairs, as a means of constricting a channel. The term derives
Breakwater (structure)
…antiquity to protect anchorages, helping isolate vessels from marine hazards such as wind-driven waves. A breakwater, also known in some contexts as a jetty or a mole, may be connected to land or freestanding, and may contain a walkway or road for vehicle access. Part of a coastal management system, breakwaters…
Aerial view of a jetty at Swakopmund, Namibia (2017)
North Jetty on the left and South Jetty on the right at the mouth of Sebastian Inlet in Florida from the Indian River to the Atlantic Ocean.
Aerial view of jetties, constructed of dolosse, at Humboldt Bay harbor entrance. These jetties mitigate unpredictable shifting sands.
Private jetties near the mouth of the Nambucca River, New South Wales, Australia