Two broad swaths of wind-blown ash, many kilometers across, obscure the Icelandic coastline and sweep over the Atlantic Ocean in this natural color image from May 26, 2010.
Shades of green and blue blend in subtle swirls in this photo-like image of a phytoplankton bloom off the west coast of Iceland taken on June 24, 2010.
Acquired February 9, 2010, this true-color image shows jewel-toned water caused by a phytoplankton bloom off the coast of Argentina. Roughly mimicking the coastline, the bloom forms a giant semicircle in the Atlantic Ocean.
Unusually clear skies and persistent, unseasonable heat may have set the stage for large and persistent blooms of phytoplankton in the waters around England.