A004-0014
Investigating the Impact of Biomass Burning on Particulate Matter in U.S. and China

Monday, 7 December 2020
Poster
Shuhui Guan, Ocean Univeristy of China, Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Qingdao, China and Yang Gao, Ocean University of China, Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Qingdao, China
Abstract:
The biomass burning has been known to play an important role in modulating the air quality in particular of the concentration of particulate matter with diameter of 2.5 µm or less. In this study, a three dimensional air quality model was used to elucidate the impact of biomass burning on air quality in both U.S. and China. Albeit of the overall good air quality in U.S., the biomass burning may substantially deteriorate air quality by enhancing the PM concentrations. Thus, the episodic fire events in winter 2016 were selected with a focus on eastern U.S. so as to dilute the effect of fire on PM2.5 concentration. In contrast, the air quality in China is a major concern in particular of the frequently occurred haze events. Therefore, with an aim of tackling the impact of biomass burning in the past few years on the PM2.5 concentration in China, we conducted a few sensitivity scenarios to elucidate the modulation of biomass burning on the inter-annual variability of PM2.5 concentration.
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