Aerosol pH Dynamics During Haze Periods in an Urban Environment in China: Use of Detailed, Hourly, Speciated Observations to Study the Role of Ammonia Availability and Secondary Aerosol Formation and Urban Environment

Published in Journal 1, 2019

Recommended citation: Shi, G., Xu, J., Shi, X., Liu, B., Bi, X., Xiao, Z., ... & Russell, A. G. (2019). Aerosol pH dynamics during haze periods in an urban environment in China: Use of detailed, hourly, speciated observations to study the role of ammonia availability and secondary aerosol formation and urban environment. Journal of Geophysical Research: Atmospheres, 124(16), 9730-9742. http://qianyuzhao.github.io/files/aerosol_ph_dynamics.pdf

In this study, we found high acidy (pH < 3), light pollution (total water soluble ions < 30 μg/m3), and low water content (less than 5 μg/m3) were more correlated with higher rates of sulfate formation than nitrate formation in the winter.

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Recommended citation: Shi, G., Xu, J., Shi, X., Liu, B., Bi, X., Xiao, Z., … & Russell, A. G. (2019). Aerosol pH dynamics during haze periods in an urban environment in China: Use of detailed, hourly, speciated observations to study the role of ammonia availability and secondary aerosol formation and urban environment. Journal of Geophysical Research: Atmospheres, 124(16), 9730-9742.