Articles | Volume 16, issue 10
https://doi.org/10.5194/acp-16-6495-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-16-6495-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
27 May 2016
Research article |
| 27 May 2016
Heterogeneous ice nucleation of viscous secondary organic aerosol produced from ozonolysis of α-pinene
Karoliina Ignatius
CORRESPONDING AUTHOR
Leibniz Institute for Tropospheric Research (TROPOS), 04318 Leipzig, Germany
Thomas B. Kristensen
Leibniz Institute for Tropospheric Research (TROPOS), 04318 Leipzig, Germany
Emma Järvinen
Institute of Meteorology and Climate Research – Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Leonid Nichman
School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
Claudia Fuchs
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
Hamish Gordon
CERN, 1211 Geneva, Switzerland
Paul Herenz
Leibniz Institute for Tropospheric Research (TROPOS), 04318 Leipzig, Germany
Christopher R. Hoyle
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
WSL Institute for Snow and Avalanche Research SLF Davos, Davos, Switzerland
Jonathan Duplissy
Department of Physics, P.O. Box 64, 00014 University of Helsinki, Helsinki, Finland
Sarvesh Garimella
Massachusetts Institute of Technology, Cambridge, MA, USA
Antonio Dias
CERN, 1211 Geneva, Switzerland
Carla Frege
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
Niko Höppel
Institute of Meteorology and Climate Research – Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Jasmin Tröstl
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
Robert Wagner
Department of Physics, P.O. Box 64, 00014 University of Helsinki, Helsinki, Finland
Department of Physics, P.O. Box 64, 00014 University of Helsinki, Helsinki, Finland
Antonio Amorim
SIM/CENTRA and F. Ciencias, Universidade de Lisboa, Lisbon, Portugal
Urs Baltensperger
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
Joachim Curtius
Goethe-University of Frankfurt, Institute for Atmospheric and Environmental Sciences, Altenhöferallee 1, 60438 Frankfurt am Main, Germany
Neil M. Donahue
Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, PA 15213, USA
Martin W. Gallagher
School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, M13 9PL, UK
Jasper Kirkby
CERN, 1211 Geneva, Switzerland
Goethe-University of Frankfurt, Institute for Atmospheric and Environmental Sciences, Altenhöferallee 1, 60438 Frankfurt am Main, Germany
Markku Kulmala
Department of Physics, P.O. Box 64, 00014 University of Helsinki, Helsinki, Finland
Ottmar Möhler
Institute of Meteorology and Climate Research – Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Harald Saathoff
Institute of Meteorology and Climate Research – Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Martin Schnaiter
Institute of Meteorology and Climate Research – Atmospheric Aerosol Research, Karlsruhe Institute of Technology, Karlsruhe, Germany
Antonio Tomé
SIM/IDL, Universidade da Beira Interior, Covilhã, Portugal
Annele Virtanen
Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
Douglas Worsnop
Aerodyne Research, Inc., Billerica, MA 08121, USA
Frank Stratmann
Leibniz Institute for Tropospheric Research (TROPOS), 04318 Leipzig, Germany
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Short summary
Viscous solid or semi-solid secondary organic aerosol (SOA) may influence cloud properties through ice nucleation in the atmosphere. Here, we observed heterogeneous ice nucleation of viscous α-pinene SOA at temperatures between −39 °C and −37.2 °C with ice saturation ratios significantly below the homogeneous freezing limit. Global modelling suggests that viscous biogenic SOA are present in regions where cirrus formation takes place and could contribute to the global ice nuclei budget.
Viscous solid or semi-solid secondary organic aerosol (SOA) may influence cloud properties...
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