Articles | Volume 21, issue 5
Atmos. Chem. Phys., 21, 3855–3870, 2021
https://doi.org/10.5194/acp-21-3855-2021
Atmos. Chem. Phys., 21, 3855–3870, 2021
https://doi.org/10.5194/acp-21-3855-2021

Research article 15 Mar 2021

Research article | 15 Mar 2021

Continuous secondary-ice production initiated by updrafts through the melting layer in mountainous regions

Annika Lauber et al.

Data sets

Data for "Continuous secondary ice production initiated by updrafts through the melting layer in mountainous regions" A. Lauber, H. Baars, J. Bühl, R. Engelmann, J. Henneberger, M. Hervo, C. Mignani, J. T. Pasquier, M. Radenz, F. Ramelli, F., P. Seifert, and J. Wieder https://doi.org/10.5281/zenodo.4534382

Model code and software

AnnikaLau/SIP_initiated_by_melting_layer: Software for the paper "Continuous secondary ice production initiated by updrafts through the melting layer in mountainous regions'' by Lauber et al. 2021 A. Lauber, F. Ramelli, and M. Hervo https://doi.org/10.5281/zenodo.4534536

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Short summary
An accurate prediction of the ice crystal number concentration (ICNC) is important to determine the radiation budget, lifetime, and precipitation formation of clouds. Even though secondary-ice processes can increase the ICNC by several orders of magnitude, they are poorly constrained and lack a well-founded quantification. During measurements on a mountain slope, a high ICNC of small ice crystals was observed just below 0 °C, attributed to a secondary-ice process and parametrized in this study.
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