buoy

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buoy

(boi, bo͞o`ē), float anchored in navigable waters to mark channels and indicate dangers to navigation (isolated rocks, mine fields, cables, and the like). The shape, color, number, and marking of the buoy are all significant, but unfortunately there are two competing systems of color coding which have been adopted in different parts of the world. The International Association of Lighthouse Authorities (IALA) adopted a system in 1977 which uses red for the left–hand side of a channel returning from the sea and green for the right side. Because the American rule has always been "red to the right returning," the IALA accepted a second system in 1983 which would keep the traditional color–coding for U.S. waters. Both systems use yellow to indicate special zones, such as fishing areas, anchorages, dredging operations, etc. Although the spar buoys (upright posts) used in northern latitudes are usually wooden, large buoys are generally made of steel or iron. Nun buoys have conical tops; can buoys have flat tops. Buoys may be fitted with bells or whistles (usually operated by motion of the waves), and battery-powered light buoys are commonly used; radio buoys came into use in 1939. There are also mooring buoys, used for the anchoring of ships.

buoy

[bȯi]
(engineering)
An anchored or moored floating object, other than a lightship, intended as an aid to navigation, to attach or suspend measuring instruments, or to mark the position of something beneath the water.

buoy

a distinctively shaped and coloured float, anchored to the bottom, for designating moorings, navigable channels, or obstructions in a body of water
References in periodicals archive ?
"Time Won't Wait is the kind of breezy, melancholic slice of majesty that will sound perfect throughout the summer months and, with the release of their second album looming ever closer, Paper Buoys continue to show that they have the originality, the guts and, most importantly, the songs to stand out".
A council spokeswoman said the buoys are set to be repainted before being installed in the Titanic Quarter in the spring.
This is something very important that we must do quickly (address the faulty buoys situation),' she told a press conference after the 6th Asean Ministers Meeting on Disaster Management and Related Meetings here today.
The buoys, which have already been set up in the waters off Shanfu Fishing Harbor, Duozaiping and Beauty Cave, are intended to provide boats with a place to moor safely.
A buoy recorded the wave on Tuesday during a ferocious storm in the notoriously wild Southern Ocean near Campbell Island, some 700km south of New Zealand, research body MetOcean Solutions said.
While there is some debate as to why these triple finned fish relate to the buoys, in its simplest form, it is a two-fold answer: safety from predators and food.
A Cleveland Police spokeswoman confirmed the force received reports of youths near the life buoys on Friday.
"This summer, the Police and Border Guard Board is planning to mark the border regime area on the Narva Reservoir with approximately 40 new spar buoys," Helen Neider-Veerme, head of the office for integrated administration of the border at the Estonian Police and Border Guard Board, informed.
In this study, we will propose a more economical design by integrating the oscillating buoy WEC into the existing box-type breakwaters.
Free-floating buoys, released by the National Oceanic and Atmospheric Administration, track temperature, saltiness and other ocean properties.
Sutopo Purwo Nugroho, a spokesman for the country's National Disaster Management Agency, (http://www.bloomberg.com/news/articles/2016-03-03/indonesia-tsunami-buoys-stolen-or-broken-disaster-agency-says) reportedly said Thursday that all of the 22 buoys in the area needed to be replaced, adding that authorities need 11 trillion rupiah ($831 million) for a "tsunami master plan program" that would include building evacuation shelters and improving the buoy system.
No less than the Vice Admiral Alexander Lopez, head of the Armed Forces of the Philippines (AFP) - Western Command (Wescom) that has jurisdiction over WPS refuted reports that rubber buoys and the floating steel marker were found at the area at the end of May.