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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
    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 the world are in the Pacific Ocean
  • 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
  • ATOLL Definition Meaning - Merriam-Webster
    The meaning of ATOLL is a coral island consisting of a reef surrounding a lagoon Did you know?
  • Atoll: Definition Significance | Glossary - TRVST
    An atoll is a ring-shaped coral reef that surrounds a shallow lagoon These formations develop when coral grows around a volcanic island that slowly sinks into the ocean over thousands of years The coral continues growing upward while the island disappears, leaving only the circular reef
  • 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
  • How coral atolls get their gorgeous ring shapes
    When seas rise, corals build themselves up in a ring around that depression, forming an atoll No volcano is needed Droxler and Stéphan Jorry, a geologist at the IFREMER marine laboratory in Plouzané, France, describe their theory in the 2021 Annual Review of Marine Science
  • A Guide To The 10 Most Captivating Atolls In The World
    The question arises: how is an atoll formed? The ring of the corals, that initially grew all around the shore of an island, grow on top of the Island while the island erodes or subsides away, thus forming atolls
  • 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
  • What are coral atolls made of? | Saltwater Science - Nature
    Much of my recent research has been focused on islands in the central Pacific Ocean - most of which are classic coral atolls





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