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Ref : V02591

Theme :  Looking at Earth - Sea - Coast - Capes - Peninsula  (601 images)

Title : Phytoplankton bloom in the Barents Sea

Caption :

Brilliant green swirls of phytoplankton colored the water of the Barents Sea north of Norway in late July 2004. Phytoplankton form brilliant swirls of green in the Barents Sea north of Norway. Phytoplankton are microscopic marine organisms that thrive in nutrient-rich cold waters. The striking turquoise color is caused in part by sunlight reflecting off of chlorophyll in the phytoplankton, which (like terrestrial plants) use the process of photosynthesis to create carbohydrates from carbon dioxide and water. The brightness of the color indicates that the plants are probably coated with calcium carbonate, white chalk, which makes the water appear a bright blue in satellite imagery. Phytoplankton blooms are common in the Barents Sea in the summer, after winter’s ice has receded from the region.



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