Articles | Volume 24, issue 9
https://doi.org/10.5194/acp-24-5247-2024
https://doi.org/10.5194/acp-24-5247-2024
Research article
 | 
07 May 2024
Research article |  | 07 May 2024

Secondary ice production – no evidence of efficient rime-splintering mechanism

Johanna S. Seidel, Alexei A. Kiselev, Alice Keinert, Frank Stratmann, Thomas Leisner, and Susan Hartmann

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Cited articles

Aufdermaur, A. N. and Johnson, D.: Charge separation due to riming in an electric field, Q. J. Roy. Meteorol. Soc., 98, 369–382, https://doi.org/10.1002/qj.49709841609, 1972. a, b
Bacon, N. J., Swanson, B. D., Baker, M. B., and Davis, E. J.: Breakup of levitated frost particles, J. Geophys. Res.-Atmos., 103, 13763–13775, https://doi.org/10.1029/98jd01162, 1998. a, b, c
Bader, M., Gloster, J., Brownscombe, J., and Goldsmith, P.: The production of sub-micron ice fragments by water droplets freezing in free fall or on accretion upon an ice surface, Q. J. Roy. Meteorol. Soc., 100, 420–426, https://doi.org/10.1002/qj.49710042513, 1974. a, b, c
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Brownscombe, J. L. and Hallett, J.: Experimental and field studies of precipitation particles formed by the freezing of supercooled water, Q. J. Roy. Meteorol. Soc., 93, 455–473, https://doi.org/10.1002/qj.49709339805, 1967. a
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Short summary
Clouds often contain several thousand times more ice crystals than aerosol particles catalyzing ice formation. This phenomenon, commonly known as ice multiplication, is often explained by secondary ice formation due to the collisions between falling ice particles and droplets. In this study, we mimic this riming process. Contrary to earlier experiments, we found no efficient ice multiplication, which fundamentally questions the importance of the rime-splintering mechanism.
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