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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 4, issue 7 | Copyright
Atmos. Chem. Phys., 4, 1997-2000, 2004
https://doi.org/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

04 Oct 2004

Laboratory evidence for volume-dominated nucleation of ice in supercooled water microdroplets

D. Duft and T. Leisner 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.

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