Articles | Volume 18, issue 8
https://doi.org/10.5194/acp-18-5515-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-5515-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Isotopic constraints on heterogeneous sulfate production in Beijing haze
Pengzhen He
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Becky Alexander
Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195, USA
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Xiyuan Chi
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Shidong Fan
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Haicong Zhan
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Hui Kang
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Guangjie Zheng
Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz 55128, Germany
now at: Atmospheric Sciences Division, Brookhaven National Laboratory, Upton, NY 11973, USA
Yafang Cheng
Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz 55128, Germany
Jinan University, Institute for Environment and Climate Research, Guangzhou, Guangdong 511443, China
Jinan University, Institute for Environment and Climate Research, Guangzhou, Guangdong 511443, China
Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz 55128, Germany
Cheng Liu
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Key Lab of Environmental Optics and Technology, Anhui Institute of
Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
Center for Excellence in Urban Atmospheric Environment, Institute of
Urban Environment, Chinese Academy of Sciences, Xiamen, Fujian 361021, China
Zhouqing Xie
CORRESPONDING AUTHOR
Anhui Province Key Laboratory of Polar Environment and Global Change,
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
Key Lab of Environmental Optics and Technology, Anhui Institute of
Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
Center for Excellence in Urban Atmospheric Environment, Institute of
Urban Environment, Chinese Academy of Sciences, Xiamen, Fujian 361021, China
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Short summary
We use observations of the oxygen isotopic composition of sulfate aerosol as a fingerprint to quantify various sulfate formation mechanisms during pollution events in Beijing, China. We found that heterogeneous reactions on aerosols dominated sulfate production in general; however, in-cloud reactions would dominate haze sulfate production when cloud liquid water content was high. The findings also suggest the heterogeneity of aerosol acidity should be parameterized in models.
We use observations of the oxygen isotopic composition of sulfate aerosol as a fingerprint to...
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