Time-lapse movie of clouds rising from cracks in sea ice near Barrow, Alaska. The cracks are not visible. The heat and moisture that form the clouds drive a newly discovered process that pumps atmospheric mercury down to the Arctic surface, where it can enter the polar food chain.
Related feature: http://www.jpl.nasa.gov/news/news.php?release=2014-012
Video copyright: Chris Linder Photography / University of Washington
Tagged under: NASA,Jet Propulsion Laboratory,JPL,Clouds,Mercury,Arctic,Alaska,toxic
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