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Sea water off the east coast #

Sea water off the east coast
Photo courtesy of NASA., under PD
Sea water off the east coast of Greenland looked a bit like marbled paper in October 2012. The shifting swirls of white were sea ice, as observed by satellite. Thin, free-drifting ice moves very easily with winds and currents.

Each year, Arctic sea ice grows through the winter, reaching its maximum extent around March. It then melts through the summer, reaching its minimum in September. By October, Arctic waters start freezing again.

However, the ice in this image is more likely a remnant of old ice that migrated down to the coast of Greenland. Sea water is unlikely to start freezing this far south in October.