On secondary new particle formation in China

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http://hdl.handle.net/10138/224159

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Kulmala , M , Petaja , T , Kerminen , V-M , Kujansuu , J , Ruuskanen , T , Ding , A , Nie , W , Hu , M , Wang , Z , Wu , Z , Wang , L & Worsnop , D R 2016 , ' On secondary new particle formation in China ' , Frontiers of Environmental Science & Engineering in China , vol. 10 , no. 5 , 08 . https://doi.org/10.1007/s11783-016-0850-1

Title: On secondary new particle formation in China
Author: Kulmala, Markku; Petaja, Tuukka; Kerminen, Veli-Matti; Kujansuu, Joni; Ruuskanen, Taina; Ding, Aijun; Nie, Wei; Hu, Min; Wang, Zhibin; Wu, Zhijun; Wang, Lin; Worsnop, Douglas R.
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Date: 2016-10
Language: eng
Number of pages: 10
Belongs to series: Frontiers of Environmental Science & Engineering in China
ISSN: 2095-2201
URI: http://hdl.handle.net/10138/224159
Abstract: Formation of new atmospheric aerosol particles is a global phenomenon that has been observed to take place in even heavily-polluted environments. However, in all environments there appears to be a threshold value of the condensation sink (due to pre-existing aerosol particles) after which the formation rate of 3 nm particles is no longer detected. In China, new particle production has been observed at very high pollution levels (condensation sink about 0.1 s(-1)) in several megacities, including Beijing, Shanghai and Nanjing as well as in Pearl River Delta (PRD). Here we summarize the recent findings obtained from these studies and discuss the various implications these findings will have on future research and policy. (C) Higher Education Press and Springer-Verlag Berlin Heidelberg 2016
Subject: Aerosol particles
Heavily-polluted environments
Condensation sink
New particle production
Megacities
NUCLEATION MODE PARTICLES
CLOUD CONDENSATION NUCLEI
NUMBER SIZE DISTRIBUTIONS
ATMOSPHERIC AEROSOL NUCLEATION
SULFURIC-ACID CONCENTRATION
GALACTIC COSMIC-RAYS
PEARL RIVER-DELTA
BOREAL FOREST
HEALTH-BENEFITS
FORMATION RATES
114 Physical sciences
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