Most of the reef itself is a submarine feature rising from the abyssal floors of the ocean to just beneath. Channel s between islets connect a lagoon to the open ocean or sea. Aerial Panorama Of Clipperton Island Showing The Entire Atoll Clipperton Island A Minor Territory Of France Also Kn Remote Island Aerial View Aerial Images Parameters str C-string containing the representation of an integral number. . An atoll ˈætɒl - ɔːl - oʊl əˈtɒl - ˈtɔːl - ˈtoʊl sometimes known as a coral atoll is a ring-shaped coral reef including a coral rim that encircles a lagoon partially or completely. Atoll is a comprehensive multi-technology radio planning and optimisation platform which includes unified multi-technology traffic models Monte Carlo simulators and automatic cell planning ACP. Atolls are made up of turquoise lagoons. 60 Atolls are located in warm tropical or subtropical oceans and seas where corals. An atoll surrounds a body...