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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 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
Heat flux in the East Australian Current from the equator toward the South Pole. The EAC is a surface current driven by winds over the South Pacific. These winds control how the current behaves at different times of year. The EAC starts on the west edge of the South Pacific Gyre where it collects warm, nutrient-poor water. As it skirts along ...
Ocean currents surrounding Australia. The Leeuwin Current can be seen off the Western Australian Coast. CSIRO NOAA polar orbiting satellites obtain the data generating sea surface temperature images. (Composite 15-day image showing the extension of the Leeuwin Current around Tasmania) The existence of the current was first suggested by William ...
Thermohaline circulation (THC) is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes. [1] [2] The adjective thermohaline derives from thermo-referring to temperature and -haline referring to salt content, factors which together determine the density of sea water.
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 ...
Thermohaline forcing refers to density-gradient driven motions, whereby density is determined by the temperature (‘thermo’) and salt concentration (‘haline’) of the water. Heat and freshwater fluxes at the ocean's surface play therefore a key role in forming ocean currents. Those currents exert a major effect on regional and global climate.
Mean current speed (color‐coded, m s−1) and current velocity vectors near Australia, both at (a) the sea surface and (b) 1000 dbar. The inset illustrates the available number of data point for each 0.5° × 0.5° cell element. [2] The source of the water of the Tasman Outflow is the East Australian Current.