A Korean satellite provides an hourly view of the phytoplankton in the ocean, while also offering a testbed for future ocean-observing satellite missions.
Unusually clear skies and persistent, unseasonable heat may have set the stage for large and persistent blooms of phytoplankton in the waters around England.
The swirls of turquoise and green map out a large phytoplankton bloom along the shores of New Zealand’s South Island in this image from February 20, 2011.