التفاصيل البيبلوغرافية
| العنوان: |
Particle growth with photochemical age from new particle formation to haze in the winter of Beijing, China |
| المؤلفون: |
Chu, Biwu, Dada, Lubna, Liu, Yongchun, Yao, Lei, Wang, Yonghong, Du, Wei, Cai, Jing, Dällenbach, K.R., Chen, Xuemeng, Simonen, Pauli, Zhou, Ying, Deng, Chenjuan, Fu, Yueyun, Yin, Rujing, Li, Haiyan, He, Xucheng, Feng, Zeming, Yan, Chao, Kangasluoma, Juha, Bianchi, Federico, Jiang, Jingkun, Kujansuu, Joni, Kerminen, Veli-Matti, Petäjä, Tuukka, He, Hong, Kulmala, Markku |
| المساهمون: |
INAR Physics, Air quality research group, Institute for Atmospheric and Earth System Research (INAR), Polar and arctic atmospheric research (PANDA), Global Atmosphere-Earth surface feedbacks |
| بيانات النشر: |
Elsevier Scientific Publ. Co |
| سنة النشر: |
2022 |
| المجموعة: |
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto |
| مصطلحات موضوعية: |
Photochemical aging, New particle formation, Haze, Pollution evolution, Condensation sink, SPECTROMETER, AEROSOLS, NORTH CHINA, SULFURIC-ACID, OH REACTIVITY, SPECIATION, HYYTIALA, NUCLEATION, SIZE DISTRIBUTION, NM, Environmental sciences, Physical sciences |
| الوصف: |
Secondary aerosol formation in the aging process of primary emission is the main reason for haze pollution in eastern China. Pollution evolution with photochemical age was studied for the first time at a comprehensive field observation station during winter in Beijing. The photochemical age was used as an estimate of the time scale attributed to the aging process and was estimated from the ratio of toluene to benzene in this study. A low photochemical age indicates a fresh emission. The photochemical age of air masses during new particle formation (NPF) days was lower than that on haze days. In general, the strongest NPF events, along with a peak of the formation rate of 1.5 nm(J(1.5)) and 3 nmparticles (J(3)), were observed when the photochemical age was between 12 and 24 h while rarely took place with photochemical ages less than 12 h. When photochemical age was larger than 48 h, haze occurred and NPF was suppressed. The sources and sinks of nanoparticles had distinct relation with the photochemical age. Our results show that the condensation sink (CS) showed a valley with photochemical ages ranging from 12 to 24 h, while H2SO4 concentration showed no obvious trend with the photochemical age. The high concentrations of precursor vapours within an air mass lead to persistent nucleation with photochemical age ranging from 12 to 48 h in winter. Coincidently, the fast increase of PM2.5 mass was also observed during this range of photochemical age. Noteworthy, CS increased with the photochemical age on NPF days only, which is the likely reason for the observation that the PM2.5 mass increased faster with photochemical age on NPF days compared with other days. The evolution of particles with the photochemical age provides new insights into understanding how particles originating from NPF transform to haze pollution. (C) 2020 Elsevier B.V. All rights reserved. ; Peer reviewed |
| نوع الوثيقة: |
article in journal/newspaper |
| وصف الملف: |
application/pdf |
| اللغة: |
English |
| Relation: |
This work was supported by the National Natural Science Foundation of China ( 41877304 , 41877306 ), Academy of Finland ( 1251427 , 1139656 , 296628 , 306853 , Finnish centre of excellence 1141135), the EC Seventh Framework Programme and European Union 's Horizon 2020 program (ERC, project no. 742206 “ATM-GTP”), and the Youth Innovation Promotion Association, CAS ( 2018060 ). This work was supported by the National Natural Science Foundation of China (41877304, 41877306), Academy of Finland (1251427, 1139656, 296628, 306853, Finnish centre of excellence 1141135), the EC Seventh Framework Programme and European Union's Horizon 2020 program (ERC, project no. 742206 ?ATM-GTP?), and the Youth Innovation Promotion Association, CAS (2018060).; Chu , B , Dada , L , Liu , Y , Yao , L , Wang , Y , Du , W , Cai , J , Dällenbach , K R , Chen , X , Simonen , P , Zhou , Y , Deng , C , Fu , Y , Yin , R , Li , H , He , X , Feng , Z , Yan , C , Kangasluoma , J , Bianchi , F , Jiang , J , Kujansuu , J , Kerminen , V-M , Petäjä , T , He , H & Kulmala , M 2021 , ' Particle growth with photochemical age from new particle formation to haze in the winter of Beijing, China ' , The Science of the Total Environment , vol. 753 , 142207 . https://doi.org/10.1016/j.scitotenv.2020.142207; RIS: urn:8B1C361E96B80CC8CCB2602D522C1D49; ORCID: /0000-0002-7731-6842/work/91554649; ORCID: /0000-0003-1105-9043/work/91554874; ORCID: /0000-0003-2996-3604/work/91554892; ORCID: /0000-0002-1639-1187/work/91555025; ORCID: /0000-0002-7416-306X/work/91555228; ORCID: /0000-0002-2680-1629/work/91555427; ORCID: /0000-0002-1881-9044/work/102822886; http://hdl.handle.net/10138/348035; f7040d8a-a687-4300-a3dc-23f030e0f403; 85090708523; 000588616700136 |
| الاتاحة: |
http://hdl.handle.net/10138/348035 |
| Rights: |
cc_by_nc_nd ; info:eu-repo/semantics/openAccess ; openAccess |
| رقم الانضمام: |
edsbas.870FF660 |
| قاعدة البيانات: |
BASE |