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DOI10.1016/j.atmosenv.2021.118899
Atmospheric particle number size distribution and size-dependent formation rate and growth rate of neutral and charged new particles at a coastal site of eastern China
Huang X.; Ge X.; Liu D.; Tong L.; Nie D.; Shen F.; Yang M.; Wu Y.; Xiao H.; Yu H.
Date Issued2022
ISSN1352-2310
Volume270
Other AbstractCoastal new particle formation (NPF) may be complicated due to the influence of both continental and marine air masses. Here we presented the result of particle number size distribution and NPF event measurements at a coastal industrial park of eastern China from 2018 to 2019. The highest nucleation-mode particle number concentration (daytime maximum: 4.9 × 103 cm−3) and NPF frequency (8% of the observation days) were observed in the continental-marine air masses that originated from North China Plain and traveled along the coastline before arriving at the coastal site. The formation rates of 2 nm particles (J2) at this coastal site are similar to those reported in the urban environments around the world, probably due to the influence of local industrial emission. Ion to total particle number concentration ratios in 2–7 nm and 7–20 nm were 1.5% and 12%, respectively, during the NPF periods. Neutral new particle formation pathway thus dominated over ion-mediated pathway at this coastal site. Our observation also showed that number concentration and formation rate of neutral new particles decreased monotonically with particle size, while those of charged new particles increased with particle size. Such difference points to additional formation and loss mechanisms of charged particles, such as ion-aerosol attachment and ion-ion recombination in the atmosphere. The behavior of appearance time-based growth rates, however, are similar for neutral and charged particles. © 2021 Elsevier Ltd
KeywordAtmospheric air ionsCoastal atmosphereNew particle formationParticle number size distributions
Language英语
scopus keywordsGrowth rate; Industrial emissions; Ions; Size distribution; Urban growth; Air ions; Atmospheric air; Atmospheric air ion; Coastal atmosphere; Coastal sites; Eastern China; Formation rates; Marine air; New particle formation; Particle number size distribution; Particle size; aerosol formation; air mass; atmospheric particle; coastal zone; concentration (composition); size distribution; aerosol; article; atmosphere; China; concentration (parameter); growth rate; particle size; urban area; China; North China Plain
journalATMOSPHERIC ENVIRONMENT
Document Type期刊论文
Identifierhttp://gcip.llas.ac.cn/handle/2XKMVOVA/248101
AffiliationDepartment of Atmospheric Science, School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China; School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Key Laboratory of Urban Environmental Processes and Pollution Control of Zhejiang Province, Ningbo Urban Environmental Observation and Research Station, Chinese Academy of Sciences, Ningbo, 315800, China; School of Atmospheric Sciences, Nanjing University, Nanjing, 210023, China; Department of Meteorology, University of Reading, Reading, RG6 6BX, United Kingdom; Department of Atmospheric Sciences, School of Earth Sciences, Zhejiang University, Hangzhou, 310007, China; Key Laboratory of Carbonaceous Wastes Processing and Process Intensification of Zhejiang Province, The University of Nottingham Ningbo China, Ningbo, 315100, China
Recommended Citation
GB/T 7714
Huang X.,Ge X.,Liu D.,et al. Atmospheric particle number size distribution and size-dependent formation rate and growth rate of neutral and charged new particles at a coastal site of eastern China[J],2022,270.
APA Huang X..,Ge X..,Liu D..,Tong L..,Nie D..,...&Yu H..(2022).Atmospheric particle number size distribution and size-dependent formation rate and growth rate of neutral and charged new particles at a coastal site of eastern China.ATMOSPHERIC ENVIRONMENT,270.
MLA Huang X.,et al."Atmospheric particle number size distribution and size-dependent formation rate and growth rate of neutral and charged new particles at a coastal site of eastern China".ATMOSPHERIC ENVIRONMENT 270(2022).
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