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2022年, 第16卷 第2期 Front Cover Story (see: Shansi Wang, Siwei Li, Jia Xing, Jie Yang, Jiaxin Dong, Yu Qin, Shovan Kumar Sahu, 2022, 16(2): 26)
El Niño–Southern Oscillation (ENSO), as a large-scale ocean-atmosphere interaction originating from the tropical Pacific Ocean, produces anomalous atmospheric circulation and exerts significant impacts on climate of low-middle latitude through teleconnection, thus modulates the air quality over China. However, such influence has not been well evaluated at a long-term historical scale, especially in southern China. To filling the gap, this study investigated two-decade (2002 to 2020) aerosol concentration and particle size from satellite observation during the whole dynamic development of ENSO phases. Our study highlights the dynamic development phases of ENSO and its influence on southern China, which displays clean air quality and large aerosol particle size during El Niño events. In contrast, polluted air and small particle occur in La Niña episodes. This study also demonstrates that ENSO exerts large impact on (70.5%) short-term annual variations of aerosol concentration while anthropogenic emissions dominate (64.2%) the trend of long-term (decadal) change.
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ISSN 2095-2201N (Print)
ISSN 2095-221X (Online)
CN 10-1013/X
Postal Subscription Code 80-973
原刊名 Frontiers of Environmental Science & Engineering in China 2018 Impact Factor: 3.883