Sensitivity of mixed-phase moderately deep convective clouds to parameterizations of ice formation - an ensemble perspective
- Publication type:
- Journal article
- Metadata:
-
- Autoren
- Annette K Miltenberger
- Paul R Field
- Autoren-URL
- https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000627623000001&DestLinkType=FullRecord&DestApp=WOS_CPL
- DOI
- 10.5194/acp-21-3627-2021
- eISSN
- 1680-7324
- Externe Identifier
- Clarivate Analytics Document Solution ID: QU9TS
- ISSN
- 1680-7316
- Ausgabe der Veröffentlichung
- 5
- Zeitschrift
- ATMOSPHERIC CHEMISTRY AND PHYSICS
- Paginierung
- 3627 - 3642
- Datum der Veröffentlichung
- 2021
- Status
- Published
- Titel
- Sensitivity of mixed-phase moderately deep convective clouds to parameterizations of ice formation - an ensemble perspective
- Sub types
- Article
- Ausgabe der Zeitschrift
- 21
Data source: Web of Science (Lite)
- Other metadata sources:
-
- Abstract
- <jats:p>Abstract. The formation of ice in clouds is an important processes in mixed-phase and ice-phase clouds. Yet, the representation of ice formation in numerical models is highly uncertain. In the last decade, several new parameterizations for heterogeneous freezing have been proposed. However, it is currently unclear what the effect of choosing one parameterization over another is in the context of numerical weather prediction. We conducted high-resolution simulations (Δx=250 m) of moderately deep convective clouds (cloud top ∼-18 ∘C) over the southwestern United Kingdom using several formulations of ice formation and compared the resulting changes in cloud field properties to the spread of an initial condition ensemble for the same case. The strongest impact of altering the ice formation representation is found in the hydrometeor number concentration and mass mixing ratio profiles. While changes in accumulated precipitation are around 10 %, high precipitation rates (95th percentile) vary by 20 %. Using different ice formation representations changes the outgoing short-wave radiation by about 2.9 W m−2 averaged over daylight hours. The choice of a particular representation for ice formation always has a smaller impact then omitting heterogeneous ice formation completely. Excluding the representation of the Hallett–Mossop process or altering the heterogeneous freezing parameterization has an impact of similar magnitude on most cloud macro- and microphysical variables with the exception of the frozen hydrometeor mass mixing ratios and number concentrations. A comparison to the spread of cloud properties in a 10-member high-resolution initial condition ensemble shows that the sensitivity of hydrometeor profiles to the formulation of ice formation processes is larger than sensitivity to initial conditions. In particular, excluding the Hallett–Mossop representation results in profiles clearly different from any in the ensemble. In contrast, the ensemble spread clearly exceeds the changes introduced by using different ice formation representations in accumulated precipitation, precipitation rates, condensed water path, cloud fraction, and outgoing radiation fluxes. </jats:p>
- Autoren
- Annette K Miltenberger
- Paul R Field
- DOI
- 10.5194/acp-21-3627-2021
- eISSN
- 1680-7324
- Ausgabe der Veröffentlichung
- 5
- Zeitschrift
- Atmospheric Chemistry and Physics
- Sprache
- en
- Online publication date
- 2021
- Paginierung
- 3627 - 3642
- Status
- Published online
- Herausgeber
- Copernicus GmbH
- Herausgeber URL
- http://dx.doi.org/10.5194/acp-21-3627-2021
- Datum der Datenerfassung
- 2021
- Titel
- Sensitivity of mixed-phase moderately deep convective clouds to parameterizations of ice formation – an ensemble perspective
- Ausgabe der Zeitschrift
- 21
Data source: Crossref
- Author's licence
- CC-BY
- Autoren
- Annette K Miltenberger
- Paul R Field
- Hosting institution
- Universitätsbibliothek Mainz
- Sammlungen
- JGU-Publikationen
- Resource version
- Published version
- DOI
- 10.5194/acp-21-3627-2021
- Funding acknowledgements
- Open Access-Publizieren Universität Mainz / Universitätsmedizin Mainz
- File(s) embargoed
- false
- Open access
- true
- ISSN
- 1680-7324
- Ausgabe der Veröffentlichung
- 5
- Zeitschrift
- Atmospheric chemistry and physics
- Schlüsselwörter
- 530 Physik
- 530 Physics
- 550 Geowissenschaften
- 550 Earth sciences
- Sprache
- eng
- Open access status
- Open Access
- Paginierung
- 3642 - 3627
- Datum der Veröffentlichung
- 2021
- Public URL
- https://openscience.ub.uni-mainz.de/handle/20.500.12030/6577
- Herausgeber
- EGU
- Herausgeber URL
- https://doi.org/10.5194/acp-21-3627-2021
- Datum der Datenerfassung
- 2021
- Datum, an dem der Datensatz öffentlich gemacht wurde
- 2021
- Zugang
- Public
- Titel
- Sensitivity of mixed-phase moderately deep convective clouds to parameterizations of ice formation : an ensemble perspective
- Ausgabe der Zeitschrift
- 21
Files
miltenberger_annette_k.-copernicus-_se-20211203112136450.pdf
Data source: OPENSCIENCE.UB
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