Articles | Volume 8, issue 2
Atmos. Meas. Tech., 8, 689–703, 2015
https://doi.org/10.5194/amt-8-689-2015

Special issue: Results from the ice nucleation research unit (INUIT) (ACP/AMT...

Atmos. Meas. Tech., 8, 689–703, 2015
https://doi.org/10.5194/amt-8-689-2015

Research article 10 Feb 2015

Research article | 10 Feb 2015

BINARY: an optical freezing array for assessing temperature and time dependence of heterogeneous ice nucleation

C. Budke and T. Koop

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Short summary
A new optical freezing array for the study of heterogeneous ice nucleation in microliter-sized droplets is introduced, tested and applied to the study of immersion freezing in aqueous Snomax suspensions. Using different cooling rates, a small time dependence of ice nucleation induced by two different classes of ice nucleators was detected and the corresponding heterogeneous ice nucleation rate coefficient was quantified.