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UD research sheds light on upwelling associated with Western Boundary Currents

The fate of plastics entering the 3D ocean circulation from rivers discharge is examined through the Lagrangian analysis of neutrally buoyant particles. Particles are released continuously over 1991-2010 at the surface along the coasts according to monthly estimates of rivers plastic waste input. They are advected by daily currents from a state-of-the-art global ocean model at 1/12° resolution. At the end of the simulation, particles remaining in the surface layer of 1~m thickness represent less than 2\% of the total particles released. These are concentrated in the center of subtropical ...

With increasing concern about the effect of underwater noise on marine life, a little known deepwater refuge southwest of Gqeberha is under the spotlight.

The greenhouse gas emissions of SA exports will continue to place us in danger of Western climate sanctions if we try to switch from coal to methane gas.

The continents on our spinning planet push against the inertia of the oceans, damming them along their eastern shores, raising levels and forcing the seas to flow north or south to regain gravitational equilibrium. This results in the movement of prodigious amounts of water that everlastingly c...