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The Spanish Arch Galway
The Spanish Arch lies on the banks of the River Corrib, where Galway City meets the sea. ... more...
The Burren Hostel
The Burren Hostel (formerly Sleepzone - The Burren) is situated in the spa town of Lisdoon... more...
Gate Dental Services
Specialist dental services, products and technology for dentists by dentists. Services inc... more...
Late May 2010 brought peacock-hued swirls of blue and green to the North Atlantic. The iridescent waters formed a giant arc hundreds of kilometers across, extending from west of Ireland to the Bay of Biscay. The MODIS instrument on NASA's Terra satellite captured this natural-color image on May 22, 2010. The vibrant colors are from tiny organisms, phytoplankton, that grow explosively in the North Atlantic in the spring and summer.
Phytoplankton require nutrients to reproduce, and phytoplankton blooms are often tied to events that bring nutrients to the ocean surface, such as dust plumes. Volcanic ash can also contribute nutrients for phytoplankton blooms.
MODIS acquired this image after weeks of eruptive activity at Iceland's Eyjafjallajökull Volcano. One might wonder whether ash provided fertilizer for this bloom. In this case, the answer is probably no. The North Atlantic Ocean already contains plenty of iron, and these waters experience massive phytoplankton blooms every spring and summer.