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An island that is located where the ocean water temperatures are just sufficiently warm for upward reef growth to keep pace with the rate of subsidence is said to be at the Darwin Point. Islands in colder, more polar regions evolve toward seamounts or guyots; warmer, more equatorial islands evolve toward atolls, for example Kure Atoll.
The Broughton Archipelago includes numerous islands and islets scattered throughout the eastern end of Queen Charlotte Strait. The largest island of the archipelago is Gilford Island with a total area of 384 km 2 (148 sq mi). [2] Cormorant Island is the most densely populated island with 270 residents/km 2 (710 residents/mi 2) as of 2016. [3]
The Marshallese recognized four main ocean swells: the rilib, kaelib, bungdockerik and bundockeing. [2] Navigators focused on effects of islands in blocking swells and generating counterswells to some degree, but they mainly concentrated on refraction of swells as they came in contact with undersea slopes of islands and the bending of swells around islands as they interacted with swells coming ...
The Scotia Sea is a sea located at the northern edge of the Southern Ocean at its boundary with the South Atlantic Ocean.It is bounded on the west by the Drake Passage and on the north, east, and south by the Scotia Arc, an undersea ridge and island arc system supporting various islands.
Ontong Java is roughly boot-shaped. The entire size of the atoll is 1,400 km 2 (540 sq mi), but there are only 12 km 2 (4.6 sq mi) of land, spread out over 122 small islands. The islands are mostly low-lying coral formations, the highest elevation being 13 m (43 ft). Approximately 2000 people live on the atoll.
The islands are mostly atolls, low islands of coralline sand ringing a central lagoon, or raised platforms of coralline limestone. [1] There are 30 atolls in the Marshall Islands, made up of more than 1000 islands. They form two parallel island chains that run southwest to northeast, extending 1,300 km from east to west and 1,150 km north to south.
The estimated terrain elevation above sea level is 35 metres (115 ft). [1] Stirling Island is separated from the largest Mono Island by Blanche Harbour. [2] Stirling Island is composed of coral which was once part of the barrier reef surrounding Mono Island.