Phytoplankton team up to turn Istanbul´s Bosphorus turquoise

Bosphorus Phytoplankton

One of the most beautiful stretches of scenery in Turkey, the Bosphorus is a dazzling sight on its own. And now, a natural phenomenon taking place in the depths of its murky waters has transformed it into a genuine spectacle for the world to see: a turquoise phytoplankton explosion!

This phenomenon is caused when natural conditions in the water allow phytoplankton to grow exponentially. According to NASA, phytoplankton are floating, microscopic organisms that make their own food from sunlight and dissolved nutrients. In the Bosphorus, ample water flow from rivers like the Danube and Dnieper carries nutrients to the Black Sea. The result: the normally dark blue waters turn a remarkable turquoise. No wonder the word 'turquoise' is derived from the word 'Turkish'!


Bosphorus before phytoplankton


Bosphorus during phytoplankton


Bosphorus after phytoplankton

One thing is for certain though, these jewel toned waters won’t last long. The phenomenon does takes place every summer, but this year’s bloom is one of the brightest in years. To catch a glimpse of Istanbul’s turquoise Bosphorus in all its glory, book a stay right on the banks of the Bosphorus at the Radisson Blu Bosphorus Hotel, Istanbul.

Can’t get enough of this splendid view? We’ve been capturing it all from our webcam. Go to the live view!

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