Articles | Volume 21, issue 5
https://doi.org/10.5194/acp-21-3855-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-3855-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
15 Mar 2021
Research article |
| 15 Mar 2021
| 15 Mar 2021
Continuous secondary-ice production initiated by updrafts through the melting layer in mountainous regions
ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
Jan Henneberger
CORRESPONDING AUTHOR
ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
Claudia Mignani
Department of Environmental Sciences, University of Basel, Basel, Switzerland
Fabiola Ramelli
ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
Julie T. Pasquier
ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
Jörg Wieder
ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
Maxime Hervo
Federal Office of Meteorology and Climatology MeteoSwiss, Payerne, Switzerland
Ulrike Lohmann
ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
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18 citations as recorded by crossref.
- Supercooled liquid water and secondary ice production in Kelvin–Helmholtz instability as revealed by radar Doppler spectra observations H. Li et al. 10.5194/acp-21-13593-2021
- Observation of secondary ice production in clouds at low temperatures A. Korolev et al. 10.5194/acp-22-13103-2022
- Microphysical investigation of the seeder and feeder region of an Alpine mixed-phase cloud F. Ramelli et al. 10.5194/acp-21-6681-2021
- Secondary ice production processes in wintertime alpine mixed-phase clouds P. Georgakaki et al. 10.5194/acp-22-1965-2022
- Using Polarimetric Radar Observations to Characterize First Echoes of Thunderstorms and Nonthunderstorms: A Comparative Study C. Zhao et al. 10.1029/2022JD036671
- Unveiling atmospheric transport and mixing mechanisms of ice-nucleating particles over the Alps J. Wieder et al. 10.5194/acp-22-3111-2022
- Simulations of primary and secondary ice production during an Arctic mixed-phase cloud case from the Ny-Ålesund Aerosol Cloud Experiment (NASCENT) campaign B. Schäfer et al. 10.5194/acp-24-7179-2024
- Distinct secondary ice production processes observed in radar Doppler spectra: insights from a case study A. Billault-Roux et al. 10.5194/acp-23-10207-2023
- Influence of low-level blocking and turbulence on the microphysics of a mixed-phase cloud in an inner-Alpine valley F. Ramelli et al. 10.5194/acp-21-5151-2021
- Thin disks falling in air A. Tinklenberg et al. 10.1017/jfm.2023.209
- Two-year statistics of columnar-ice production in stratiform clouds over Hyytiälä, Finland: environmental conditions and the relevance to secondary ice production H. Li et al. 10.5194/acp-21-14671-2021
- Investigating secondary ice production in a deep convective cloud with a 3D bin microphysics model: Part I - Sensitivity study of microphysical processes representations P. Grzegorczyk et al. 10.1016/j.atmosres.2024.107774
- Retrieving ice-nucleating particle concentration and ice multiplication factors using active remote sensing validated by in situ observations J. Wieder et al. 10.5194/acp-22-9767-2022
- Conditions favorable for secondary ice production in Arctic mixed-phase clouds J. Pasquier et al. 10.5194/acp-22-15579-2022
- On the drivers of droplet variability in alpine mixed-phase clouds P. Georgakaki et al. 10.5194/acp-21-10993-2021
- Effects of secondary ice processes on a stratocumulus to cumulus transition during a cold-air outbreak M. Karalis et al. 10.1016/j.atmosres.2022.106302
- Sensitivity of precipitation formation to secondary ice production in winter orographic mixed-phase clouds Z. Dedekind et al. 10.5194/acp-21-15115-2021
- Continuous secondary-ice production initiated by updrafts through the melting layer in mountainous regions A. Lauber et al. 10.5194/acp-21-3855-2021
17 citations as recorded by crossref.
- Supercooled liquid water and secondary ice production in Kelvin–Helmholtz instability as revealed by radar Doppler spectra observations H. Li et al. 10.5194/acp-21-13593-2021
- Observation of secondary ice production in clouds at low temperatures A. Korolev et al. 10.5194/acp-22-13103-2022
- Microphysical investigation of the seeder and feeder region of an Alpine mixed-phase cloud F. Ramelli et al. 10.5194/acp-21-6681-2021
- Secondary ice production processes in wintertime alpine mixed-phase clouds P. Georgakaki et al. 10.5194/acp-22-1965-2022
- Using Polarimetric Radar Observations to Characterize First Echoes of Thunderstorms and Nonthunderstorms: A Comparative Study C. Zhao et al. 10.1029/2022JD036671
- Unveiling atmospheric transport and mixing mechanisms of ice-nucleating particles over the Alps J. Wieder et al. 10.5194/acp-22-3111-2022
- Simulations of primary and secondary ice production during an Arctic mixed-phase cloud case from the Ny-Ålesund Aerosol Cloud Experiment (NASCENT) campaign B. Schäfer et al. 10.5194/acp-24-7179-2024
- Distinct secondary ice production processes observed in radar Doppler spectra: insights from a case study A. Billault-Roux et al. 10.5194/acp-23-10207-2023
- Influence of low-level blocking and turbulence on the microphysics of a mixed-phase cloud in an inner-Alpine valley F. Ramelli et al. 10.5194/acp-21-5151-2021
- Thin disks falling in air A. Tinklenberg et al. 10.1017/jfm.2023.209
- Two-year statistics of columnar-ice production in stratiform clouds over Hyytiälä, Finland: environmental conditions and the relevance to secondary ice production H. Li et al. 10.5194/acp-21-14671-2021
- Investigating secondary ice production in a deep convective cloud with a 3D bin microphysics model: Part I - Sensitivity study of microphysical processes representations P. Grzegorczyk et al. 10.1016/j.atmosres.2024.107774
- Retrieving ice-nucleating particle concentration and ice multiplication factors using active remote sensing validated by in situ observations J. Wieder et al. 10.5194/acp-22-9767-2022
- Conditions favorable for secondary ice production in Arctic mixed-phase clouds J. Pasquier et al. 10.5194/acp-22-15579-2022
- On the drivers of droplet variability in alpine mixed-phase clouds P. Georgakaki et al. 10.5194/acp-21-10993-2021
- Effects of secondary ice processes on a stratocumulus to cumulus transition during a cold-air outbreak M. Karalis et al. 10.1016/j.atmosres.2022.106302
- Sensitivity of precipitation formation to secondary ice production in winter orographic mixed-phase clouds Z. Dedekind et al. 10.5194/acp-21-15115-2021
1 citations as recorded by crossref.
Latest update: 03 Nov 2025
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.
An accurate prediction of the ice crystal number concentration (ICNC) is important to determine...
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