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Published: August 5th, 2009 08:15 AM
Last Modified: August 5th, 2009 08:15 AM
Nature.com: Scientists have found that the wetter the Arctic tundra becomes, the more carbon dioxide it gives off. If the tundra becomes increasingly warm and wet -- which is anticipated as global temperatures rise -- it might emit more carbon than expected, the work suggests. The conclusion comes from an elaborate experiment on a tundra lake near Barrow that involved installing plastic dikes and moving water between parts of the lake.
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