Articles | Volume 21, issue 5
https://doi.org/10.5194/acp-21-3899-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-21-3899-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Mar 2021
Research article |
| 16 Mar 2021
| 16 Mar 2021
The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests
Julia Schneider
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Kristina Höhler
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Paavo Heikkilä
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and
Natural Sciences, Tampere University, Tampere, Finland
Jorma Keskinen
Aerosol Physics Laboratory, Physics Unit, Faculty of Engineering and
Natural Sciences, Tampere University, Tampere, Finland
Barbara Bertozzi
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Pia Bogert
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Tobias Schorr
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Nsikanabasi Silas Umo
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Franziska Vogel
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Zoé Brasseur
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Yusheng Wu
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Simo Hakala
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Jonathan Duplissy
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Helsinki Institute of Physics, University of Helsinki, Helsinki,
Finland
Dmitri Moisseev
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Markku Kulmala
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Michael P. Adams
Institute for Climate and Atmospheric Science, School of Earth and
Environment, University of Leeds, Leeds, UK
Benjamin J. Murray
Institute for Climate and Atmospheric Science, School of Earth and
Environment, University of Leeds, Leeds, UK
Kimmo Korhonen
Department of Applied Physics, University of Eastern Finland, Kuopio,
Finland
Liqing Hao
Department of Applied Physics, University of Eastern Finland, Kuopio,
Finland
Erik S. Thomson
Atmospheric Science, Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
Dimitri Castarède
Atmospheric Science, Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
Thomas Leisner
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Tuukka Petäjä
Institute for Atmospheric and Earth System Research, Faculty
of Science, University of Helsinki, Helsinki, Finland
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
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Latest update: 07 Nov 2025
Short summary
By triggering the formation of ice crystals, ice-nucleating particles (INP) strongly influence cloud formation. Continuous, long-term measurements are needed to characterize the atmospheric INP variability. Here, a first long-term time series of INP spectra measured in the boreal forest for more than 1 year is presented, showing a clear seasonal cycle. It is shown that the seasonal dependency of INP concentrations and prevalent INP types is driven by the abundance of biogenic aerosol.
By triggering the formation of ice crystals, ice-nucleating particles (INP) strongly influence...
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