Large cyclonic flowing gyres lie poleward of the Antarctic Circumpolar Current and can be considered counterparts to the Northern Hemispheric subpolar gyres. An alternative name for the ACC is the West Wind Drift. In contrast to subtropical gyres, the movement of ocean water within the Ekman layer of subpolar gyres forces upwelling and surface water divergence.
The Indian Ocean gyre, located in the Indian Ocean, is one of the eighteen major oceanic gyres, large systems of rotating ocean currents, which together form the backbone of the global conveyor belt.The Indian Ocean gyre is composed of two major currents: the South Equatorial Current, and the West Australian Current.. The Antarctic coastal current flows toward the west.
Subpolar gyre, an area of cyclonic ocean circulation that sits beneath a persistent region of low atmospheric pressure.
The total area is 20,327,000 km², and the coastline length is 17,968 km. The movement of ocean water within the Ekman layer of these gyres forces surface water to sink, giving rise to the subtropical convergence near 20°–30° latitude.
Although located far from other continents, this polar region affects the planet through the exchange of gases between frigid ocean waters and the atmosphere, regulating oxygen and carbon dioxide farther north. In the southern portion of the gyre, northwesterly (or southeastward-flowing) winds drive eastward-flowing currents that are difficult to distinguish from the northern boundary of the Antarctic Circumpolar Current. Subtropical gyre, an area of anticyclonic ocean circulation that sits beneath a region of subtropical high pressure. The South Atlantic Gyre is the subtropical gyre in the south Atlantic Ocean. The movement of the world’s major ocean gyres helps drive the “ocean conveyor belt.”.
The ocean conveyor belt circulates ocean water around the entire planet. (Redirected from Southern Ocean Gyre) Jump to navigation Jump to search. South of the Antarctic Circumpolar Current (ACC) and spreading northeast from the Antarctic Peninsula, the gyre is an extended large Cyclonic gyres such as the Weddell Gyre are a dominant feature of the horizontal circulation in the subpolar Southern Ocean.
It means the waters of the Atlantic, Pacific, and Indian Oceans around the continent of Antarctica out to sixty degrees south latitude.Some people call this ocean the Antarctic Ocean.. The Weddell Gyre is one of the two gyres that exist within the Southern Ocean. The gyre is located in the Weddell Sea, and rotates clockwise. The best-formed is the Weddell Gyre of the South Atlantic sector of the Southern Ocean. In some instances, the term “gyre” is used to refer to the collections of plastic waste and other debris found in higher concentrations in certain parts of the ocean.
From Wikipedia, the free encyclopedia. The Southern Pacific Gyre is part of the Earth’s system of rotating ocean currents, bounded by the Equator to the north, Australia to the west, the Antarctic Circumpolar Current to the south, and South America to the east. (c) Gyre flow pattern, based on Stommel's original wind-driven ocean circulation theory, illustrating the western-intensification of ocean currents. The Equator forms its southern boundary, but it is bounded elsewhere by the Horn of Africa, Sri Lanka and the … There are five major gyres: the North and South Pacific Subtropical Gyres, the North and South Atlantic Subtropical Gyres, and the Indian Ocean Subtropical Gyre. The Southern Ocean is the ocean around Antarctica.It was a new term in geography officially created in 2000.
In contrast, the northern Indian Ocean Gyre is a much smaller ocean gyre. Ocean current that flows clockwise from west to east around Antarctica. Reason: Due to these mild, dry conditions, the Indian Ocean area Winter Monsoon season is the dry season for most of Southern Asia.The tides of the Indian Ocean, which make up the Indian Ocean gyre, are directly affected by this periodic wind loop, inducing reversal.
The Weddell Gyre is one of the main oceanographic features in the ocean surrounding Antarctica, the Southern Ocean. The Coriolis force varies over the globe as a function of latitude, being zero at the equator, a minimum at the S. Pole and a maximum at the N. Pole.
An ocean gyre is a large system of circular ocean current s formed by global wind patterns and forces created by Earth’s rotation . In the Southern Hemisphere, the subpolar gyres are less defined. Global winds drag on the water’s surface, causing it to move and build up in the direction that the wind is blowing. As noted above, horizontal carbon export from the Weddell Gyre arises from the accumulation of carbon within the recirculating waters of the central gyre. Unlike the South Pacific Gyre, its extent is determined largely by landmasses. In the North Atlantic the The centres of
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