What is causing the waves in California to glow?
Glowing waves in California are attracting surfers and kayakers. What is causing this eerie, otherworldly phenomenon?
Fri, Nov 11, 2011 at 11:38 PM
It looks like something from the movie "Avatar": ocean waters that light up like neon glow sticks when they splash. Beaches across southern California have recently been alight with eerie, glowing waves. What could be causing such an otherworldly phenomenon?
A recent report by Discovery News has provided an answer. According to marine biologist Jorge Ribas, the glowing is caused by a massive red tide, or algae bloom, of bioluminescent phytoplankton called Lingulodinium polyedrum. The microorganisms emit light in response to stress, such as when a wave crashes into the shore, a surfboard slashes through the surf, or a kayaker's paddle splashes the water. The result is a wickedly cool glowing ocean.
The phenomenon has been observed on a semi-regular basis since at least 1901 along the beaches around San Diego, Calif. By day the algal blooms give the water a soupy red coloration, which is why they're often referred to as a red tide. But unlike some forms of red tide that can be toxic to people and marine life, the glowing blooms occurring in San Diego waters are reportedly harmless.
For surfers who don't mind catching a wave in water teeming with a sludge of microorganisms, the glowing ocean offers the chance of a lifetime. Night swimmers also often delight in the opportunity to lounge in a bioluminescent sea. The organisms can also be present in wet beach sand, so even beach walkers can watch as the ground sparkles with every footstep.
Several videos posted on YouTube show the majestic effects of the phenomenon. Watch below as a surfer sets a wave aflame and a kayaker dazzles through calmer waters while the coastal city lights shine in the background.
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