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The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents

A new mechanism of new particle formation (NPF) is investigated using comprehensive measurements of aerosol physicochemical quantities and meteorological variables made in three continents, including Beijing, China; the Southern Great Plains site in the USA; and SMEAR II Station in Hyytiälä, Finland...

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Autores principales: Wu, Hao, Li, Zhanqing, Li, Hanqing, Luo, Kun, Wang, Yuying, Yan, Peng, Hu, Fei, Zhang, Fang, Sun, Yele, Shang, Dongjie, Liang, Chunsheng, Zhang, Dongmei, Wei, Jing, Wu, Tong, Jin, Xiaoai, Fan, Xinxin, Cribb, Maureen, Fischer, Marc L, Kulmala, Markku, Petäjä, Tuukka
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8288356/
https://www.ncbi.nlm.nih.gov/pubmed/34691590
http://dx.doi.org/10.1093/nsr/nwaa157
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author Wu, Hao
Li, Zhanqing
Li, Hanqing
Luo, Kun
Wang, Yuying
Yan, Peng
Hu, Fei
Zhang, Fang
Sun, Yele
Shang, Dongjie
Liang, Chunsheng
Zhang, Dongmei
Wei, Jing
Wu, Tong
Jin, Xiaoai
Fan, Xinxin
Cribb, Maureen
Fischer, Marc L
Kulmala, Markku
Petäjä, Tuukka
author_facet Wu, Hao
Li, Zhanqing
Li, Hanqing
Luo, Kun
Wang, Yuying
Yan, Peng
Hu, Fei
Zhang, Fang
Sun, Yele
Shang, Dongjie
Liang, Chunsheng
Zhang, Dongmei
Wei, Jing
Wu, Tong
Jin, Xiaoai
Fan, Xinxin
Cribb, Maureen
Fischer, Marc L
Kulmala, Markku
Petäjä, Tuukka
author_sort Wu, Hao
collection PubMed
description A new mechanism of new particle formation (NPF) is investigated using comprehensive measurements of aerosol physicochemical quantities and meteorological variables made in three continents, including Beijing, China; the Southern Great Plains site in the USA; and SMEAR II Station in Hyytiälä, Finland. Despite the considerably different emissions of chemical species among the sites, a common relationship was found between the characteristics of NPF and the stability intensity. The stability parameter (ζ = Z/L, where Z is the height above ground and L is the Monin–Obukhov length) is found to play an important role; it drops significantly before NPF as the atmosphere becomes more unstable, which may serve as an indicator of nucleation bursts. As the atmosphere becomes unstable, the NPF duration is closely related to the tendency for turbulence development, which influences the evolution of the condensation sink. Presumably, the unstable atmosphere may dilute pre-existing particles, effectively reducing the condensation sink, especially at coarse mode to foster nucleation. This new mechanism is confirmed by model simulations using a molecular dynamic model that mimics the impact of turbulence development on nucleation by inducing and intensifying homogeneous nucleation events.
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spelling pubmed-82883562021-10-21 The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents Wu, Hao Li, Zhanqing Li, Hanqing Luo, Kun Wang, Yuying Yan, Peng Hu, Fei Zhang, Fang Sun, Yele Shang, Dongjie Liang, Chunsheng Zhang, Dongmei Wei, Jing Wu, Tong Jin, Xiaoai Fan, Xinxin Cribb, Maureen Fischer, Marc L Kulmala, Markku Petäjä, Tuukka Natl Sci Rev Research Article A new mechanism of new particle formation (NPF) is investigated using comprehensive measurements of aerosol physicochemical quantities and meteorological variables made in three continents, including Beijing, China; the Southern Great Plains site in the USA; and SMEAR II Station in Hyytiälä, Finland. Despite the considerably different emissions of chemical species among the sites, a common relationship was found between the characteristics of NPF and the stability intensity. The stability parameter (ζ = Z/L, where Z is the height above ground and L is the Monin–Obukhov length) is found to play an important role; it drops significantly before NPF as the atmosphere becomes more unstable, which may serve as an indicator of nucleation bursts. As the atmosphere becomes unstable, the NPF duration is closely related to the tendency for turbulence development, which influences the evolution of the condensation sink. Presumably, the unstable atmosphere may dilute pre-existing particles, effectively reducing the condensation sink, especially at coarse mode to foster nucleation. This new mechanism is confirmed by model simulations using a molecular dynamic model that mimics the impact of turbulence development on nucleation by inducing and intensifying homogeneous nucleation events. Oxford University Press 2020-07-06 /pmc/articles/PMC8288356/ /pubmed/34691590 http://dx.doi.org/10.1093/nsr/nwaa157 Text en © The Author(s) 2020. Published by Oxford University Press on behalf of China Science Publishing & Media Ltd. https://creativecommons.org/licenses/by/4.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Wu, Hao
Li, Zhanqing
Li, Hanqing
Luo, Kun
Wang, Yuying
Yan, Peng
Hu, Fei
Zhang, Fang
Sun, Yele
Shang, Dongjie
Liang, Chunsheng
Zhang, Dongmei
Wei, Jing
Wu, Tong
Jin, Xiaoai
Fan, Xinxin
Cribb, Maureen
Fischer, Marc L
Kulmala, Markku
Petäjä, Tuukka
The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
title The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
title_full The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
title_fullStr The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
title_full_unstemmed The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
title_short The impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
title_sort impact of the atmospheric turbulence-development tendency on new particle formation: a common finding on three continents
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8288356/
https://www.ncbi.nlm.nih.gov/pubmed/34691590
http://dx.doi.org/10.1093/nsr/nwaa157
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