Streaks of blue and green color the South Atlantic Ocean in this image from January 9 2010.
Published Jan 30, 2010
In the winter, strong winds drive surface waters away from the shore, and cold water from the deep ocean wells up to replace it.
Published Jan 8, 2005
This offshoot of the Circumpolar Current carries cool water north along the coast of South America until it encounters water pouring out of the Rio de la Plata.
Published May 7, 2005
Some of the clearest, bluest ocean waters on Earth are found in the South Pacific.
Published Oct 12, 2017
Southeast of Hokkaido, where two ocean currents converge, swirls of phytoplankton color the Pacific green and blue.
Published Jun 11, 2009
