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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
Atmos. Chem. Phys., 4, 1997-2000, 2004
http://www.atmos-chem-phys.net/4/1997/2004/
doi:10.5194/acp-4-1997-2004
© Author(s) 2004. This work is licensed under the
Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
 
04 Oct 2004
Laboratory evidence for volume-dominated nucleation of ice in supercooled water microdroplets
D. Duft and T. Leisner Institut für Physik, Technische Universität Ilmenau, 98684 Ilmenau, Germany
Abstract. We report on measurements of the rate of homogeneous ice nucleation in supercooled water microdroplets levitated in an electrodynamic balance. By comparison of the freezing probability for droplets of radius 49µm and 19µm, we are able to conclude that homogeneous freezing is a volume-proportional process and that surface nucleation might only be important, if at all, for much smaller droplets.

Citation: Duft, D. and Leisner, T.: Laboratory evidence for volume-dominated nucleation of ice in supercooled water microdroplets, Atmos. Chem. Phys., 4, 1997-2000, doi:10.5194/acp-4-1997-2004, 2004.
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