photo by msauder (Flickr CC)

Late summer algae blooms along the San Diego, California coastline have turned the ocean red during the day and a bioluminescent blue at night.

The fluorescent blue waves have attracted spectators to the shores around San Diego, offering rare photo and video opportunities.

It is interesting to note that the water is not constantly glowing, but only gives off a blue light when agitated, so the waves flash blue when crashing and then grow dark again.

From the Los Angeles Times:

The blue glow is caused by an algae bloom commonly referred to as a red tide. The organisms, phytoplankton called Lingulodinium polyedrum, have bloomed since late August, turning the water brownish-red in the daytime, according to UC San Diego scientists.

Check out this video of bioluminescent blue waves at San Diego’s La Jolla neighborhood.

About The Author: Graham Land

Greenfudge editor and London-based writer Graham Land grew up in the suburbs of Washington, DC, where he was part of the local hardcore punk scene, playing in several bands. Through this musical movement he became involved in grass roots interests such as anti-racist activism, animal rights and Ecology. In 2000 he relocated to Europe, eventually earning an MA from Malmö University in Sweden. He has also lived in Japan, Ireland, Portugal and Greece.


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