Articles | Volume 18, issue 17
https://doi.org/10.5194/acp-18-13231-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-13231-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Sep 2018
Research article |
| 13 Sep 2018
| 13 Sep 2018
The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Lubna Dada
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Clémence Rose
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Tuija Jokinen
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210046, China
Siegfried Schobesberger
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Department of Applied Physics, University of Eastern Finland, 70211
Kuopio, Finland
Heikki Junninen
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Institute of Physics, University of Tartu, Ülikooli 18, 50090 Tartu, Estonia
Katrianne Lehtipalo
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Nina Sarnela
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Ulla Makkonen
Finnish Meteorological Institute, 00560 Helsinki, Finland
Olga Garmash
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Yonghong Wang
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Qiaozhi Zha
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Pauli Paasonen
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Federico Bianchi
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Mikko Sipilä
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Mikael Ehn
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Tuukka Petäjä
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210046, China
Veli-Matti Kerminen
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Douglas R. Worsnop
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Aerodyne Research, Inc., Billerica, MA 01821, USA
Markku Kulmala
Institute for Atmospheric and Earth System Research / Physics,
Faculty of Science, University of Helsinki, P. O. Box 64, 00014, Helsinki,
Finland
Joint International Research Laboratory of Atmospheric and Earth
System Sciences, School of Atmospheric Sciences, Nanjing University,
Nanjing, 210046, China
Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for
Soft Matter Science and Engineering, Beijing University of Chemical
Technology, Beijing, 100029, China
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Total article views: 2,930 (including HTML, PDF, and XML)
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Latest update: 08 Nov 2025
Short summary
Ions can play an important role in atmospheric new particle formation by stabilizing the embryonic clusters. Such a process is called ion-induced nucleation (IIN). We found two distinct IIN mechanisms – driven by H2SO4-NH3 clusters and by organic vapors, respectively. The concentration ratio of organic vapors to H2SO4 regulates via which pathway the IIN occur. As the organic vapor concentration is influenced by temperature, a seasonal variation in the main IIN mechanism can be expected.
Ions can play an important role in atmospheric new particle formation by stabilizing the...
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