The driving factors of new particle formation and growth in the polluted boundary layer

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Xiao , M , Hoyle , C R , Dada , L , Stolzenburg , D , Kürten , A , Wang , M , Lamkaddam , H , Garmash , O , Mentler , B , Molteni , U , Baccarini , A , Simon , M , He , X C , Lehtipalo , K , Ahonen , L R , Baalbaki , R , Bauer , P S , Beck , L , Bell , D , Bianchi , F , Brilke , S , Chen , D , Chiu , R , Dias , A , Duplissy , J , Finkenzeller , H , Gordon , H , Hofbauer , V , Kim , C , Koenig , T K , Lampilahti , J , Lee , C P , Li , Z , Mai , H , Makhmutov , V , Manninen , H E , Marten , R , Mathot , S , Mauldin , R L , Nie , W , Onnela , A , Partoll , E , Petäjä , T , Pfeifer , J , Pospisilova , V , Quéléver , L L J , Rissanen , M , Schobesberger , S , Schuchmann , S , Stozhkov , Y , Tauber , C , Tham , Y J , Tomé , A , Vazquez-Pufleau , M , Wagner , A C , Wagner , R , Wang , Y , Weitz , L , Wimmer , D , Wu , Y , Yan , C , Ye , P , Ye , Q , Zha , Q , Zhou , X , Amorim , A , Carslaw , K , Curtius , J , Hansel , A , Volkamer , R , Winkler , P M , Flagan , R C , Kulmala , M , Worsnop , D R , Kirkby , J , Donahue , N M , Baltensperger , U , El Haddad , I & Dommen , J 2021 , ' The driving factors of new particle formation and growth in the polluted boundary layer ' , Atmospheric Chemistry and Physics , vol. 21 , no. 18 , pp. 14275-14291 . https://doi.org/10.5194/acp-21-14275-2021

Title: The driving factors of new particle formation and growth in the polluted boundary layer
Author: Xiao, Mao; Hoyle, Christopher R.; Dada, Lubna; Stolzenburg, Dominik; Kürten, Andreas; Wang, Mingyi; Lamkaddam, Houssni; Garmash, Olga; Mentler, Bernhard; Molteni, Ugo; Baccarini, Andrea; Simon, Mario; He, Xu Cheng; Lehtipalo, Katrianne; Ahonen, Lauri R.; Baalbaki, Rima; Bauer, Paulus S.; Beck, Lisa; Bell, David; Bianchi, Federico; Brilke, Sophia; Chen, Dexian; Chiu, Randall; Dias, António; Duplissy, Jonathan; Finkenzeller, Henning; Gordon, Hamish; Hofbauer, Victoria; Kim, Changhyuk; Koenig, Theodore K.; Lampilahti, Janne; Lee, Chuan Ping; Li, Zijun; Mai, Huajun; Makhmutov, Vladimir; Manninen, Hanna E.; Marten, Ruby; Mathot, Serge; Mauldin, Roy L.; Nie, Wei; Onnela, Antti; Partoll, Eva; Petäjä, Tuukka; Pfeifer, Joschka; Pospisilova, Veronika; Quéléver, Lauriane L.J.; Rissanen, Matti; Schobesberger, Siegfried; Schuchmann, Simone; Stozhkov, Yuri; Tauber, Christian; Tham, Yee Jun; Tomé, António; Vazquez-Pufleau, Miguel; Wagner, Andrea C.; Wagner, Robert; Wang, Yonghong; Weitz, Lena; Wimmer, Daniela; Wu, Yusheng; Yan, Chao; Ye, Penglin; Ye, Qing; Zha, Qiaozhi; Zhou, Xueqin; Amorim, Antonio; Carslaw, Ken; Curtius, Joachim; Hansel, Armin; Volkamer, Rainer; Winkler, Paul M.; Flagan, Richard C.; Kulmala, Markku; Worsnop, Douglas R.; Kirkby, Jasper; Donahue, Neil M.; Baltensperger, Urs; El Haddad, Imad; Dommen, Josef
Contributor organization: Institute for Atmospheric and Earth System Research (INAR)
Air quality research group
Faculty of Science
Polar and arctic atmospheric research (PANDA)
Helsinki Institute of Physics
INAR Physics
Date: 2021-09-27
Language: eng
Number of pages: 17
Belongs to series: Atmospheric Chemistry and Physics
ISSN: 1680-7316
DOI: https://doi.org/10.5194/acp-21-14275-2021
URI: http://hdl.handle.net/10138/335419
Abstract: New particle formation (NPF) is a significant source of atmospheric particles, affecting climate and air quality. Understanding the mechanisms involved in urban aerosols is important to develop effective mitigation strategies. However, NPF rates reported in the polluted boundary layer span more than 4 orders of magnitude, and the reasons behind this variability are the subject of intense scientific debate. Multiple atmospheric vapours have been postulated to participate in NPF, including sulfuric acid, ammonia, amines and organics, but their relative roles remain unclear. We investigated NPF in the CLOUD chamber using mixtures of anthropogenic vapours that simulate polluted boundary layer conditions. We demonstrate that NPF in polluted environments is largely driven by the formation of sulfuric acid-base clusters, stabilized by the presence of amines, high ammonia concentrations and lower temperatures. Aromatic oxidation products, despite their extremely low volatility, play a minor role in NPF in the chosen urban environment but can be important for particle growth and hence for the survival of newly formed particles. Our measurements quantitatively account for NPF in highly diverse urban environments and explain its large observed variability. Such quantitative information obtained under controlled laboratory conditions will help the interpretation of future ambient observations of NPF rates in polluted atmospheres.
Description: Publisher Copyright: © 2021 Mao Xiao et al.
Subject: 114 Physical sciences
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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