Optical properties and possible sources of brown carbon in PM<sub>2.5</sub> over Xi'an, China

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Optical properties and possible sources of brown carbon in PM_2.5 over Xi'an, China

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作者：Zhenxing Shen^a ; ^b ; ^{zxshen@mail.xjtu.edu.cn} ; Qian Zhang^a ; Junji Cao^b ; Leiming Zhang^c ; Yali Lei^a ; Yu Huang^b ; R.-J. Huang^b ; Jinjin Gao^a ; Zhuzi Zhao^b ; Chongshu Zhu^b ; Xiuli Yin^d ; Chunli Zheng^a ; Hongmei Xu^a ; Suixin Liu^a
关键词：Brown carbon ; Absorption coefficient ; Mass absorption coefficient ; Secondary organic carbon
刊名：Atmospheric Environment
出版年：2017
出版时间：February 2017
年：2017
卷：150
期：Complete
页码：322-330
全文大小：1215 K
卷排序：150

文摘

Light absorption of brown carbon (BrC) in PM2.5 was investigated. Biomass burning is an important source for winter BrC. Secondary BrC was mainly fresh SOC in winter and aged one in summer.