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Xiawei Yu
Researcher at University of Science and Technology of China
Publications - 14
Citations - 267
Xiawei Yu is an academic researcher from University of Science and Technology of China. The author has contributed to research in topics: Haze & Nitrate. The author has an hindex of 7, co-authored 14 publications receiving 140 citations.
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Journal ArticleDOI
Atmospheric Δ 17 O(NO 3 − ) reveals nocturnal chemistry dominates nitrate production in Beijing haze
Pengzhen He,Zhouqing Xie,Zhouqing Xie,Xiyuan Chi,Xiawei Yu,Shidong Fan,Hui Kang,Cheng Liu,Cheng Liu,Haicong Zhan +9 more
TL;DR: In this paper, the first observations of the oxygen-17 excess of atmospheric nitrate were collected in Beijing haze to reveal the relative importance of different nitrate formation pathways, and simultaneously observed the simultaneously observed δ 15 N ( NO 3 - ).
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Speciated atmospheric mercury on haze and non-haze days in an inland city in China
Qianqian Hong,Zhouqing Xie,Zhouqing Xie,Cheng Liu,Cheng Liu,Feiyue Wang,Pinhua Xie,Pinhua Xie,Hui Kang,Jin Xu,Jiancheng Wang,Fengcheng Wu,Pengzhen He,Fusheng Mou,Shidong Fan,Yunsheng Dong,Haicong Zhan,Xiawei Yu,Xiyuan Chi,Jianguo Liu +19 more
TL;DR: In this article, a long-term continuous measurements of speciated atmospheric mercury were conducted from July 2013 to June 2014 in Hefei, a midlatitude inland city in eastern central China that experiences frequent haze pollution.
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Observations of ozone vertical profiles and corresponding precursors in the low troposphere in Beijing, China
Xiyuan Chi,Cheng Liu,Cheng Liu,Zhouqing Xie,Zhouqing Xie,Guangqiang Fan,Yang Wang,Pengzhen He,Shidong Fan,Qianqian Hong,Zhuang Wang,Xiawei Yu,Fange Yue,Jianbo Duan,Pengfei Zhang,Pengfei Zhang,Jianguo Liu +16 more
TL;DR: In this article, a comprehensive investigation of ozone, its precursors as well as aerosols in the low troposphere was conducted over the University of Chinese Academy of Sciences site in Beijing during the period of October 26 to November 6, 2014, with a focus on the comparison between polluted and clean conditions.
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The observation of isotopic compositions of atmospheric nitrate in Shanghai China and its implication for reactive nitrogen chemistry.
TL;DR: Correlation analysis implies that the combined effect of NOX emission sources and isotopic fractionation processes are responsible for δ15N(NO3-) variations, and observations with the aid of model simulation in future study will further improve the understanding of reactive nitrogen chemistry in urban regions.
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Detection of organosulfates and nitrooxy-organosulfates in Arctic and Antarctic atmospheric aerosols, using ultra-high resolution FT-ICR mass spectrometry
TL;DR: The first investigation into OSs in both the Arctic and Antarctic is presented, finding a high degree of oxidation in aerosol samples, which might be due to the combined effects of enhanced photo-oxidation in summertime or continuous oxidation during transport to the polar region.