Volume 92 Issue 32 | p. 24 | Concentrates
Issue Date: August 11, 2014 | Web Date: August 12, 2014

Fiery Origin Of Climate-Warming Aerosols

Study finds that fires producing more black carbon also yield so-called brown carbon, helping clarify inputs into climate models
Department: Science & Technology
News Channels: Environmental SCENE, Analytical SCENE
Keywords: biomass burning, aerosol, black carbon, brown carbon, climate

Wildfires have burned nearly 2 million acres in the U.S. so far this year, underscoring the importance of a study that provides better insight into the climate effects of organic aerosol particles emitted into the atmosphere from burning forests, grasslands, and farmland. Climate models have historically divided airborne particulate matter produced by biomass burning into two categories: light-absorbing black carbon (soot) that warms the climate and light-scattering organic aerosols that . . .

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