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 …

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 …

Oct 19, 2023 · An atoll is a ring-shaped coral reef, island, or series of islets. The atoll surrounds a body of water called a lagoon.

For reef scientists, atolls are broadly defined as large, ring-shaped coral reefs that surround a central lagoon.

May 10, 2025 · An atoll stands as one of Earth’s most remarkable natural formations—a ring-shaped coral reef encircling a lagoon where once stood a volcanic island. These living geological wonders …

An atoll is a coral reef enclosing a lagoon, characterized by a ring or horseshoe shape. The coral rim may be elliptical or angular, but consistently forms a closed shape.

The meaning of ATOLL is a coral island consisting of a reef surrounding a lagoon. Did you know?

What is an atoll and how does it formed? An atoll is a coral island or a group of various islets that are characterized by being ring-shaped, enclosing an interior lagoon with access to the sea.

Aug 12, 2024 · The result is an atoll, a circular or horseshoe-shaped coral reef that encircles a lagoon partially or fully. The coral reef and the lagoon together create a unique ecosystem that supports a …

Atolls are very small islands, barely two meters above sea level. Atolls form when islands poke through the ocean surface and coral grows around them. These examples are from corpora and from …