Barrier Reefs


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Related to Barrier Reefs: patch reefs
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Barrier Reefs

 

ridges of calcareous skeletons of dead corals covered by growing corals.

Barrier reefs stretch along continental or island sandbars in warm waters of the Pacific, Indian, and Atlantic oceans at a distance of a few to dozens of kilometers from the shore. Barrier reefs may be hundreds of meters wide. The space between the barrier reef and the shore is occupied by a lagoon. At low tide the reefs emerge from the water like separate islands. The largest barrier reef is the Great Barrier Reef off the eastern shores of Australia, which is 2,000 km long.

V. F. KANAEV

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
In the case of the underwater sinkhole in the Great Barrier Reef that Gaskell found, the corals in there were "totally unaffected by the cyclone," he wrote on Instagram.
* A report by Greenpeace, an environmental organization, estimates that most of the Great Barrier Reef will be dead in 30 years unless projected levels of climate change are mitigated.