School of Engineering and Applied Sciences, Harvard University, Cambridge,
USA
Cheng Gong
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing,
China
Lin Zhang
Department of Atmospheric and Oceanic Sciences, School of Physics, Peking
University, Beijing, China
Hong Liao
Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution
Control, Jiangsu Collaborative Innovation Center of Atmospheric Environment
and Equipment Technology, School of Environmental Science and Engineering,
Nanjing University of Information Science and Technology, Nanjing, China
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This study demonstrates that the intensity of the western Pacific subtropical high (WPSH), a major synoptic pattern in the northern Pacific during summer, can induce a dipole change in surface ozone pollution over eastern China. Ozone concentration increases in the north and decreases in the south during the strong WPSH phase, and vice versa. The change in chemical processes associated with the WPSH change plays a decisive role, whereas the natural emission of ozone precursors accounts for ~ 30 %.
This study demonstrates that the intensity of the western Pacific subtropical high (WPSH), a...
