The bright waters off the east coast of Argentina mark the convergence of the Malvinas and Brazil Currents. The interaction of the two currents brings nutrients from the dark ocean depths to the sunlit surface, resulting in dense blooms of phytoplankton, especially in the spring and early summer.
The Sea-viewing Wide Field-of-view Sensor (SeaWiFS) imaged the area on November 29, 2001.
For more information, read Convergence Zones: Where the Action Is
Image courtesy the SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE