Deliquescent phenomena of ambient aerosols on the North China Plain. Issue 16 (24th August 2016)

• Record Type: Journal Article
• Authors: Kuang, Y.; Zhao, C. S.; Ma, N.; Liu, H. J.; Bian, Y. X.; Tao, J. C.; Hu, Min
• Is Part Of: Geophysical research letters. Volume 43:Issue 16(2016)
• Page Start: 8744
• Page End: 8750
• Publication Date: 2016-08-24
• Subjects: deliquescence -- ambient aerosols -- deliquescent phenomena -- deliquescence relative humidity -- enhancement factor of aerosol light scattering -- recrystallize; Geophysics -- Periodicals; Planets -- Periodicals; Lunar geology -- Periodicals; 550
• DOI: 10.1002/2016GL070273
• Languages: English
• ISSNs: 0094-8276

Abstract

Abstract: In this study, we report that the deliquescent phenomena of ambient aerosols on the North China Plain are frequently observed using a humidified nephelometer system. The deliquescence relative humidity (RH) primarily ranges from 73% to 81%, with an average of 76.8%. The observed deliquescent phenomena of ambient aerosols exhibit distinct diurnal patterns and are highly correlated with ammonium sulfate. The diurnal variations of ammonium and nitrate may play significant roles on occurrences of observed deliquescent phenomena. The frequently observed deliquescent phenomena of ambient aerosols in this paper imply that current parameterization schemes that describe the RH dependence of particle light scattering may result in a significant bias when estimating aerosol effects on climate. Key Points: Deliquescent phenomena of ambient aerosols were frequently observed Distinct diurnal patterns of deliquescent phenomena were observed Aged ambient aerosols might recrystallize