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- Atoll - Wikipedia
An atoll ( ˈæt ɒl, - ɔːl, - oʊl, əˈtɒl, - ˈtɔːl, - ˈtoʊl ) [1] is a ring-shaped island, including a coral rim that encircles a lagoon There may be coral islands or cays on the rim [2][3] Atolls are located in warm tropical or subtropical parts of the oceans and seas where corals can develop
- Atoll | Definition Facts | Britannica
atoll, coral reef enclosing a lagoon Atolls consist of ribbons of reef that may not always be circular but whose broad configuration is a closed shape up to dozens of kilometres across, enclosing a lagoon that may be approximately 50 metres (160 feet) deep or more
- 10 Most Captivating Atolls in the World (+Photos) - Touropia
An atoll is a ring of coral that originally grew completely around the shoreline of an island, and which continued to grow upward on top of itself as the island subsided or eroded away As reef building corals thrive only in warm waters, atolls are only found in the tropics and subtropics
- What Is An Atoll? - WorldAtlas
The 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
- Atoll - National Geographic Society
An 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
- Atoll Facts and Information - Coral Reef Info
What is an “atoll”? For reef scientists, atolls are broadly defined as a large, ring-shaped coral reefs that surround a central lagoon Coming up with a more specific and unambiguous definition of such reef formations is not all that easy however
- What Is an Atoll and How Does It Form? - thedailyECO
An atoll is a coral island that is characterized by having a ring shape, enclosing an interior lagoon that is connected to the ocean Atolls are formed by the accumulation of corals at the base of the island that provide an ideal environment for their growth
- Geography of Atolls - Geography Realm
Atolls are ring-shaped coral reefs, islands, or a series of islets that encircle a lagoon either partially or completely The shape of atolls varies with some being elliptical or circular in shape and others having an angular shape Atolls also vary in size
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