Employing airborne radiation and cloud microphysics observations to improve cloud representation in ICON at kilometer-scale resolution in the Arctic

Kretzschmar, Jan; Stapf, Johannes; Klocke, Daniel; Wendisch, Manfred; Quaas, Johannes

doi:https://doi.org/10.5194/acp-20-13145-2020

Articles | Volume 20, issue 21

https://doi.org/10.5194/acp-20-13145-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Arctic mixed-phase clouds as studied during the ACLOUD/PASCAL...

https://doi.org/10.5194/acp-20-13145-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 21

Research article

|

09 Nov 2020

Research article |

| 09 Nov 2020

Employing airborne radiation and cloud microphysics observations to improve cloud representation in ICON at kilometer-scale resolution in the Arctic

Jan Kretzschmar, Johannes Stapf, Daniel Klocke, Manfred Wendisch, and Johannes Quaas

Supplement

https://doi.org/10.5194/acp-20-13145-2020-supplement

Data sets

Aircraft measurements of broadband irradiance during the ACLOUD campaign in 2017 J. Stapf, A. Ehrlich, E. Jäkel, and M. Wendisch https://doi.org/10.1594/PANGAEA.900442

SID-3 1 Hz size distribution of cloud particles during the ACLOUD campaign in 2017 M. Schnaiter and E. Järvinen https://doi.org/10.1594/PANGAEA.900261

Liquid water content measured by the Nevzorov probe during the aircraft ACLOUD campaign in the Arctic D. Chechin https://doi.org/10.1594/PANGAEA.906658

OCEANET Cloud radar Mira-35 during POLARSTERN cruise PS106 H. Griesche, P. Seifert, R. Engelmann, M. Radenz, and J. Bühl https://doi.org/10.1594/PANGAEA.899895

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Short summary

This study compares simulations with the ICON model at the kilometer scale to airborne radiation and cloud microphysics observations that have been derived during the ACLOUD aircraft campaign around Svalbard, Norway, in May/June 2017. We find an overestimated surface warming effect of clouds compared to the observations in our setup. This bias was reduced by considering subgrid-scale vertical motion in the activation of cloud condensation nuclei in the two-moment microphysical scheme used.