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An ocean current is a continuous, directed movement of seawater generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences. [1] Depth contours, shoreline configurations, and interactions with other currents influence a current's direction and ...
Marine currents can carry large amounts of water, largely driven by the tides, which are a consequence of the gravitational effects of the planetary motion of the Earth, the Moon and the Sun. Augmented flow velocities can be found where the underwater topography in straits between islands and the mainland or in shallows around headlands plays a major role in enhancing the flow velocities ...
The current is mainly seasonal, being weaker in winter and stronger in summer, and is affected by the winds in that area. [2] [3] [4]In addition to the West Australian Current flowing on the Western Australian Coast, the Leeuwin Current [5] and Southern Australian Countercurrent, also flow along this coast, with the former flowing in the opposite direction.
Ocean currents — continuous and directed primarily horizontal seawater movement generated by forces acting upon it. Subcategories This category has the following 7 subcategories, out of 7 total.
Western boundary currents may themselves be divided into sub-tropical or low-latitude western boundary currents. Sub-tropical western boundary currents are warm, deep, narrow, and fast-flowing currents that form on the west side of ocean basins due to western intensification. They carry warm water from the tropics poleward.
The related California Current Conservation Complex is a grouping of federally-designated marine protected areas that have been on the UNESCO list of tentative World Heritage Sites since 2017, which includes the following areas found throughout the current: the Point Reyes National Seashore, the Golden Gate National Recreation Area, the ...
Those currents comprise half of the global thermohaline circulation that includes the flow of major ocean currents, the other half being the Southern Ocean overturning circulation. [ 2 ] The AMOC is composed of a northward flow of warm, more saline water in the Atlantic's upper layers and a southward, return flow of cold, salty, deep water.
A subsurface ocean current is an oceanic current that runs beneath surface currents. [1] Examples include the Equatorial Undercurrents of the Pacific, Atlantic, and Indian Oceans, the California Undercurrent, [ 2 ] and the Agulhas Undercurrent, [ 3 ] the deep thermohaline circulation in the Atlantic, and bottom gravity currents near Antarctica.