Just as crocus and daffodil blossoms signal the start of a warmer season on land, a similar "greening" event--a massive bloom of microscopic plants, or phytoplankton--unfolds each spring in the North Atlantic Ocean from Bermuda to the Arctic.
Fertilized by nutrients that have built up during the winter, the cool waters of the North Atlantic come alive every spring and summer with a vivid display of color that stretches across hundreds and hundreds of miles.
In what's known as the North Atlantic Bloom, millions of phytoplankton use sunlight and carbon dioxide (CO2) to grow and reproduce at the ocean's surface.
Spring plankton bloom hitches ride to sea's depths on ocean eddies
In what's known as the North Atlantic Bloom, an immense number of phytoplankton burst into existence, first "greening," then "whitening" the sea as one or more species take the place of others.
Scientists discover new trigger for immense North Atlantic Ocean spring plankton bloom