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In oceanography, a gyre (/ ˈ dʒ aɪ ər /) is any large system of ocean surface currents moving in a circular fashion driven by wind movements. Gyres are caused by the Coriolis effect; planetary vorticity, horizontal friction and vertical friction determine the circulatory patterns from the wind stress curl ().
This two-gyre circulation in the North Pacific is driven by the trade and westerly winds. [2] This is one of the best examples of all of Earth's oceans where these winds drive a two-gyre circulation. Physical characteristics like weak thermohaline circulation in the North Pacific and the fact that it is mostly blocked by land in the north, also ...
The largest ocean current is the Antarctic Circumpolar Current (ACC), a wind-driven current which flows clockwise uninterrupted around Antarctica. The ACC connects all the ocean basins together, and also provides a link between the atmosphere and the deep ocean due to the way water upwells and downwells on either side of it.
Winds are the main source of energy for ocean circulation, and Ekman transport is a component of wind-driven ocean current. [1] Ekman transport occurs when ocean surface waters are influenced by the friction force acting on them via the wind.
Transpolar Drift and Beaufort Gyre are major ocean currents within the Arctic Ocean. The Beaufort Gyre is one of the two major ocean currents in the Arctic Ocean. It is roughly located north of the Alaskan and Canadian coast. In the past, Arctic sea-ice would circulate in the Beaufort gyre up to several years, leading to the formation of very ...
Ocean gyre – Any large system of recirculating ocean currents Beaufort Gyre – A wind-driven ocean current in the Arctic Ocean polar region; Indian Ocean Gyre – A large systems of rotating ocean currents. The Indian Ocean gyre is composed of two major currents: the South Equatorial Current, and the West Australian Current
The Getty Villa art museum is threatened by the flames of the wind-driven Palisades Fire in Pacific Palisades, California, Jan. 7, 2025. A fast-moving brushfire in a Los Angeles suburb burned ...
The North Equatorial Current (NEC) is a westward wind-driven current mostly located near the equator, but the location varies from different oceans. The NEC in the Pacific and the Atlantic is about 5°-20°N, while the NEC in the Indian Ocean is very close to the equator. It ranges from the sea surface down to 400 m in the western Pacific.