Asymmetries in cloud microphysical properties ascribed to sea ice leads via water vapour transport in the central Arctic
Abstract km in radius and with an azimuth angle governed by the time-dependent wind direction measured at the maximum WVT is related to the observed clouds. We found significant asymmetries for cases when the clouds are coupled or decoupled to the WVT and selected by LF regimes. Liquid water path of low-level clouds is found to increase as a function of LF, while the ice water path does so only for deep precipitating systems. Clouds coupled to WVT are found to generally have a lower cloud base and larger thickness than decoupled clouds. Thermodynamically, for coupled cases the cloud-top temperature is warmer and accompanied by a temperature inversion at the cloud top, whereas the decoupled cases are found to be closely compliant with the moist adiabatic temperature lapse rate. The ice water fraction within the cloud layer has been found to present a noticeable asymmetry when comparing coupled versus decoupled cases. This novel approach of coupling sea ice to cloud properties via the WVT mechanism unfolds a new tool to study Arctic surface–atmosphere processes. With this formulation, long-term observations can be analysed to enforce the statistical significance of the asymmetries. Furthermore, our results serve as an opportunity to better understand the dynamic linkage between clouds and sea ice and to evaluate its representation in numerical climate models for the Arctic system.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Asymmetries in cloud microphysical properties ascribed to sea ice leads via water vapour transport in the central Arctic ; volume:23 ; number:22 ; year:2023 ; pages:14521-14546 ; extent:26
Atmospheric chemistry and physics ; 23, Heft 22 (2023), 14521-14546 (gesamt 26)
- Creator
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Saavedra Garfias, Pablo
Kalesse-Los, Heike
Albedyll, Luisa von
Griesche, Hannes Jascha
Spreen, Gunnar
- DOI
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10.5194/acp-23-14521-2023
- URN
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urn:nbn:de:101:1-2023113003320121000974
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:20 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Saavedra Garfias, Pablo
- Kalesse-Los, Heike
- Albedyll, Luisa von
- Griesche, Hannes Jascha
- Spreen, Gunnar
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