A New Type of Haze? The December 2015 Purple (Magenta) Haze Event in Nanjing, China
AbstractA special and unusual purple (magenta) haze episode was observed in Nanjing, China, at 17:00 on 22 December 2015. Many local and national news outlets reported this event. Based on an analysis of the pollution features and meteorological factors, including boundary layer characteristics, we concluded that this haze event was similar in most respects to other local haze episodes. We discuss the reasons and the possibilities about this rare color haze at the end of the paper. One way to attain a combination of blue and red light is to have the green wavelengths selectively absorbed, and this seems unlikely for typical atmospheric constituents. Another way involves pollution gases or particles together with small liquid-water drops, which need further confirmation. A third possibility is that the combination of transmitted red light from the sun and scattered blue light from above could produce a purple/magenta color in the sky. In general, further studies are required to assess the physical, chemical, and optical features of this purple haze in order to explain and predict this phenomenon in the future. View Full-Text
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Liu, D.; Liu, X.; Wang, H.; Li, Y.; Kang, Z.; Cao, L.; Yu, X.; Chen, H. A New Type of Haze? The December 2015 Purple (Magenta) Haze Event in Nanjing, China. Atmosphere 2017, 8, 76.
Liu D, Liu X, Wang H, Li Y, Kang Z, Cao L, Yu X, Chen H. A New Type of Haze? The December 2015 Purple (Magenta) Haze Event in Nanjing, China. Atmosphere. 2017; 8(4):76.Chicago/Turabian Style
Liu, Duanyang; Liu, Xuejun; Wang, Hongbin; Li, Yi; Kang, Zhiming; Cao, Lu; Yu, Xingna; Chen, Hao. 2017. "A New Type of Haze? The December 2015 Purple (Magenta) Haze Event in Nanjing, China." Atmosphere 8, no. 4: 76.
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