Climate change worsens Alaskan forest fires

USA Today: Alaskans wildfires have worsened over the last three decades, forest experts report, due to global warming lengthening fire season and increasing the forest area affected by fires. In the Nature journal study led by Merritt Turetsky of Canada's University of Guelph, a team looked at the depth of ground cover scorching at 178 sites from 31 Alaskan wildfire events from 1983 to 2005. We show that the depth of burning increased as the fire season progressed when the annual area burned was small.......

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