28 Feb '12, 5am

Warming Arctic Means More Tundra Fires—And More Warming

Warming Arctic Means More Tundra Fires—And More Warming

US National Park Service /Public Domain Bad news, boys and girls: new research shows that tundra fires in the Arctic increase as the climate warms. This seemingly intuitive finding could nonetheless have dire consequences. The tundra, after all, is home to one of the world's largest ticking carbon bomb, the carbon and methane-rich permafrost. From the National Science Foundation : In September 2007, the Anaktuvuk River Fire burned more than 1,000 square kilometers of tundra on Alaska's North Slope. This burn area was twice the size of any measured since recordkeeping began in 1950. A team of scientists from multiple universities, led by Feng Sheng Hu at the University of Illinois...analyzed the distribution of charcoal particles in lake-sediment cores and found no evidence of a fire of similar scale or intensity in the region over the past 5,000 years ...They found a drama...

Full article: http://www.treehugger.com/climate-change/warming-arctic-m...

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