Atoll | search
Click here to view Atoll news from 60+ newspapers.
Bookmark or Share- Atoll Definition & Meaning - Merriam-WebsterThe meaning of ATOLL is a coral island consisting of a reef surrounding a lagoon. Did you know?
- What Is An Atoll? - WorldAtlasThe modern definition of atoll describes it as an annular reef that has enclosed a lagoon in which there is no raised mass of land projecting into the body of water. Atolls are mostly hidden by ocean waves, with some wrecking canoes and ships. Distribution of Atolls.
- Atoll - National Geographic SocietyAn atoll is a ring-shaped coral reef, island, or series of islets. An atoll surrounds a body of water called a lagoon. Sometimes, atolls and lagoons protect a central island. Channels between islets connect a lagoon to the open ocean or sea. Atolls develop with underwater volcanoes, called seamounts. First, the volcano erupts, piling up lava on ...
- Characteristics of atolls | Britannicaatoll, Coral reef enclosing a lagoon. Atolls consist of ribbons of reef that may not be circular but that are closed shapes, sometimes miles across, around a lagoon that may be 160 ft (50 m) deep or more. Most of the reef itself is usually below the water surface; around the rim along the top are usually low, flat islands or more continuous ...
- How a coral atoll forms: Corals Tutorial - NOAA's National Ocean ServiceWhen the island completely subsides beneath the water leaving a ring of growing coral with an open lagoon in its center, it is called an atoll. The process of atoll formation may take as long as 30,000,000 years to occur. Research continues into how coral atolls form. Provide Feedback. Contact Us. Report an error.
More
