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DOI10.1029/2018JD028582
Agricultural Fire Impacts on Ozone Photochemistry Over the Yangtze River Delta Region, East China
Li, Mengmeng1; Wang, Tijian1; Xie, Min1; Li, Shu1; Zhuang, Bingliang1; Chen, Pulong1; Huang, Xin1; Han, Yong2
2018-06-27
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2018
卷号123期号:12页码:6605-6623
文章类型Article
语种英语
国家Peoples R China
英文摘要

Agricultural fires could affect tropospheric photochemistry by emitting trace gases, interacting with solar radiation or providing reactive surfaces for heterogeneous reactions. This study examines the effects of a typical agricultural fire event (8-13 June 2012) on ozone photochemistry over the Yangtze River Delta region, East China. The online coupled Weather Research and Forecasting-Chemistry model is used, with the inclusion of a detailed agricultural fire emission inventory and seven heterogeneous reactions on soot surfaces. Comparisons with satellite and ground observational data indicate that the model is capable of reproducing the transport and evolution of this crop fire event. The precursor emissions from agricultural fires play a major role in modifying ozone photochemistry, with a maximal increase in ozone mixing ratio reaching 20ppb (40%) near the fire zones in northern Anhui. The radiation feedback generates a small increase of surface NO2 levels by 2% and a decrease in surface O-3 levels by 1% in the smoke plume. The effects due to heterogeneous uptake on soot are rather small, on average, changing the average O-3, NO2, OH, and HO2 concentrations by +0.8%, -0.5%, -0.7%, and +0.8%, respectively. This study highlights the complicated interactions between agricultural fire emissions and photochemistry.


英文关键词agricultural fire emission ozone radiation feedback heterogeneous reaction
领域气候变化
收录类别SCI-E
WOS记录号WOS:000439508000017
WOS关键词AEROSOL OPTICAL-PROPERTIES ; FOSSIL-FUEL COMBUSTION ; HYDROCARBON FLAME SOOT ; HETEROGENEOUS REACTION ; TROPOSPHERIC OZONE ; AIR-QUALITY ; CARBONACEOUS SURFACES ; AMBIENT-TEMPERATURE ; AMORPHOUS-CARBON ; PHOTOLYSIS RATES
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/32337
专题气候变化
作者单位1.Nanjing Univ, Sch Atmospher Sci, Nanjing, Jiangsu, Peoples R China;
2.Sun Yat Sen Univ, Sch Atmospher Sci, Guangzhou, Guangdong, Peoples R China
推荐引用方式
GB/T 7714
Li, Mengmeng,Wang, Tijian,Xie, Min,et al. Agricultural Fire Impacts on Ozone Photochemistry Over the Yangtze River Delta Region, East China[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2018,123(12):6605-6623.
APA Li, Mengmeng.,Wang, Tijian.,Xie, Min.,Li, Shu.,Zhuang, Bingliang.,...&Han, Yong.(2018).Agricultural Fire Impacts on Ozone Photochemistry Over the Yangtze River Delta Region, East China.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,123(12),6605-6623.
MLA Li, Mengmeng,et al."Agricultural Fire Impacts on Ozone Photochemistry Over the Yangtze River Delta Region, East China".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 123.12(2018):6605-6623.
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