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Ocean surface currents Distinctive white lines trace the flow of surface currents around the world. Visualization showing global ocean currents from January 1, 2010, to December 31, 2012, at sea level, then at 2,000 m (6,600 ft) below sea level Animation of circulation around ice shelves of Antarctica
The circumpolar current is driven by the strong westerly winds in the latitudes of the Southern Ocean. The ACC (red circle near the middle of the image) in relation to the global thermohaline circulation. In latitudes where there are continents, winds blowing on light surface water can simply pile up light water against these continents.
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 ...
This flow creates a fast-moving rip current. A rip current (or just rip) is a specific type of water current that can occur near beaches where waves break. A rip is a strong, localized, and narrow current of water that moves directly away from the shore by cutting through the lines of breaking waves, like a river flowing out to sea. The force ...
Saltstraumen or Stuorstrávve [1] is a small strait with one of the strongest tidal currents in the world. It is located in Bodø Municipality in Nordland county, Norway . It is located about 10 km (6.2 mi) southeast of the town of Bodø .
The water in this stream forms varying currents as it makes its way downhill. In hydrology, a current in a water body is the flow of water in any one particular direction. The current varies spatially as well as temporally, dependent upon the flow volume of water, stream gradient, and channel geometry.
Strong winds from the east combined with the powerful south-to-north flow of the offshore Gulf Stream current help to create the shoreline rip currents and rough seas that can prove so deadly ...
An example of a geostrophic flow in the Northern Hemisphere. A northern-hemisphere gyre in geostrophic balance. Paler water is less dense than dark water, but more dense than air; the outwards pressure gradient is balanced by the 90 degrees-right-of-flow coriolis force. The structure will eventually dissipate due to friction and mixing of water ...