Topic ID #19614 - posted 5/17/2012 12:37 PM

Ancient Tree-Ring Records from Southwest U.S. Suggest Today's Megafires Are Truly Unusual



Jennifer Palmer

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Ancient Tree-Ring Records from Southwest U.S. Suggest Today's Megafires Are Truly Unusual

ScienceDaily (May 16, 2012) — Today's mega forest fires of the southwestern U.S. are truly unusual and exceptional in the long-term record, suggests a new study that examined hundreds of years of ancient tree ring and fire data from two distinct climate periods.

Researchers constructed and analyzed a statistical model that encompassed 1,500 years of climate and fire patterns to test, in part, whether today's dry, hot climate alone is causing the megafires that routinely destroy millions of acres of forest, according to study co-author and fire anthropologist Christopher I. Roos, Southern Methodist University, Dallas.


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