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atoll    音标拼音: ['ætɑl]
n. 环状珊瑚岛,环礁

环状珊瑚岛,环礁

atoll
n 1: an island consisting of a circular coral reef surrounding a
lagoon

Atoll \A*toll"\, n. [The native name in the Indian Ocean.]
A coral island or islands, consisting of a belt of coral
reef, partly submerged, surrounding a central lagoon or
depression; a lagoon island.
[1913 Webster]

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  • Atoll - Wikipedia
    The atoll of Tetiʻaroa in French Polynesia 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 Most of the approximately 440 atolls in
  • Atoll | Definition Facts | Britannica
    Atoll, coral reef enclosing a lagoon Most of the reef itself is a submarine feature, rising from the abyssal floors of the ocean to just beneath high-tide level Around the rim along the top of the reef there are usually low, flat islands or more continuous strips of low, flat land Some of these islands have been settled by oceanic peoples like the Maldivians, Polynesians, and Micronesians
  • 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 In other words; atolls are made up of turquoise lagoons and colorful reefs teaming with marine life
  • How Atolls Form and Why They’re Disappearing - ScienceInsights
    An atoll is a ring-shaped coral reef structure that develops in warm, tropical oceanic waters, typically far from continental landmasses This formation encircles a body of water, known as a lagoon, which is often connected to the open sea by channels Atolls are formed entirely by the growth of marine organisms through a long-term geological and biological process The Anatomy of an Atoll The
  • Atoll - National Geographic Society
    An atoll is a ring-shaped coral reef, island, or series of islets The atoll surrounds a body of water called a lagoon
  • What Is an Atoll? Formation, Features Marine Life
    What is an Atoll and what makes them unique: ring-shaped coral reefs surrounding lagoons formed where volcanic islands once stood
  • ATOLL Definition Meaning - Merriam-Webster
    The meaning of ATOLL is a coral island consisting of a reef surrounding a lagoon Did you know?
  • The Largest Atolls In The World - WorldAtlas
    Atoll islands are mostly low-lying with an elevation of less than five meters Atolls are only found in the tropical and subtropical warm waters of the oceans and seas Most of the world’s great atolls are located in the Pacific Ocean, especially in the islands of Tuamotu, Caroline, Marshall, and the Coral Sea
  • Corals Tutorial: How a coral atoll forms - NOAAs National Ocean Service
    How a coral atoll forms This animation shows the dynamic process of how a coral atoll forms Corals (represented in tan and purple) begin to settle and grow around an oceanic island forming a fringing reef It can take as long as 10,000 years for a fringing reef to form
  • Home :: US ARMY GARRISON KWAJALEIN
    WELCOME to Kwajalein Atoll U S Army Garrison - Kwajalein Atoll provides installation support services and strategic integration enabling joint, multi-national, multi-domain mission partners, and the Kwajalein Atoll community





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