CHEMICAL COMPOSITION OF AEROSOLS IN THE WEST COAST OF TAIWAN STRAIT, CHINA

Zhao, L.; Yang, C.

The chemical composition of aerosols was investigated using regular environmental air quality observation, a single particle aerosol mass spectrometer (SPAMS 0515) and an ambient ion monitor (URG 9000D) in Xiamen in 2018. The results showed that the annual average mass concentrations of PM 2.5 was 22 μm/m 3, and concentrations of water-soluble inorganic ions was 9.94 μm/m 3 which accounted for 45.2% of PM 2.5. SO 42−, NO 3 and NH 4+ were main components of secondary reactions which contributed more than 77 percent of water-soluble inorganic ion concentration. As a coastal city, Cl and Na + contributed 13.9 percent of water-soluble inorganic ion concentration. Based on single particle aerosol mass spectrometer analysing, mobile sources emission was the most important sources of particle matter which contributed over 30%.

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Zhao, L. / Yang, C.: CHEMICAL COMPOSITION OF AEROSOLS IN THE WEST COAST OF TAIWAN STRAIT, CHINA. 2019. Copernicus Publications.

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Rechteinhaber: L. Zhao

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