Articles | Volume 18, issue 14
Atmos. Chem. Phys., 18, 10645–10653, 2018
https://doi.org/10.5194/acp-18-10645-2018

Special issue: Regional transport and transformation of air pollution in...

Atmos. Chem. Phys., 18, 10645–10653, 2018
https://doi.org/10.5194/acp-18-10645-2018

Research article 25 Jul 2018

Research article | 25 Jul 2018

Comparison of air quality at different altitudes from multi-platform measurements in Beijing

Hongzhu Ji et al.

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Cited articles

Alexandrov, M. D., Geogdzhayev, I. V., Tsigaridis, K., Marshak, A., Levy, R., and Cairns, B.: New Statistical Model for Variability of Aerosol Optical Thickness: Theory and Application to MODIS Data over Ocean, J. Atmos. Sci., 73, 821–837, 2016. 
Amiridis, V., Melas, D., Balis, D. S., Papayannis, A., Founda, D., Katragkou, E., Giannakaki, E., Mamouri, R. E., Gerasopoulos, E., and Zerefos, C.: Aerosol Lidar observations and model calculations of the Planetary Boundary Layer evolution over Greece, during the March 2006 Total Solar Eclipse, Atmos. Chem. Phys., 7, 6181–6189, https://doi.org/10.5194/acp-7-6181-2007, 2007. 
Bäumer, D., Vogel, B., Versick, S., Rinke, R., Möhler, O., and Schnaiter, M.: Relationship of visibility, aerosol optical thickness and aerosol size distribution in an ageing air mass over South-West Germany, Atmos. Environ., 42, 989–998, 2008. 
Chao, B. L.: UPPER AIR VISIBILITY AND VERTICAL VISIBILITY, Acta Scientiarum Naturalium Universitatis Pekinensis, 1955 (in Chinese). 
Chen, H. and Wang, H.: Haze Days in North China and the associated atmospheric circulations based on daily visibility data from 1960 to 2012, J. Geophys. Res., 120, 5895–5909, 2015. 
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Short summary
Haze pollution has been a common problem in China. In this study, the traits of upper air visibility and the two-dimensional haze characteristic were investigated in the northwest of downtown Beijing by using a multi-platform analysis. An opposite tendency to PM2.5 mass concentration appears for upper air visibility by hourly and daily haze analysis. Moreover, the delayed variations of upper air visibility between high altitude and low altitude reveal the vertical transport of pollutants.
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