Fanning The Flames: Wildfires Emit Potent Climate-Warming Organic Particles
, the Harold D. Jolley Career Development Associate Professor in the Department of Energy, Environmental & Chemical Engineering at the McKelvey School of Engineering, found that wildfires are causing a much greater warming effect than has been accounted for by climate scientists.
Fire Influence on Regional to Global Environments and Air Quality field campaign, a joint venture led by NOAA and NASA. During their sampling of ground and airborne smoke from largescale wildfires, Chakrabarty’s team encountered an abnormally strong light absorber in plumes that wasn’t black carbon, yet it accounted for more than half of observed total absorption., associate professor of mechanical engineering and materials science, to investigate this unknown material and its properties.
They also noted that these particles absorb wavelengths of light from ultraviolet to near infrared, covering the entire visible spectrum. Surprisingly, this potent brown carbon is resistant to sunlight-driven photochemical bleaching that makes light-absorbing organic aerosols lose their absorptivity in the atmosphere.
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