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  Advancing the DYNAMICO-LMDZ atmospheric model to improve the simulation of the polar atmosphere

Vignon, É., Wiener, V., Raillard, L., Agosta, C., Dubos, T., Meurdesoif, Y., Fromang, S., Caubel, A., Madeleine, J.-B., Borella, A., Wimmer, M., Amory, C., Rivière, G., Genthon, C. (2023): Advancing the DYNAMICO-LMDZ atmospheric model to improve the simulation of the polar atmosphere, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-2419

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018325 Versions-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018325_1
Genre: Konferenzbeitrag

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Urheber

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 Urheber:
Vignon, Étienne1, Autor
Wiener, Valentin1, Autor
Raillard, Lea1, Autor
Agosta, Cécile1, Autor
Dubos, Thomas1, Autor
Meurdesoif, Yann1, Autor
Fromang, Sébastien1, Autor
Caubel, Arnaud1, Autor
Madeleine, Jean-Baptiste1, Autor
Borella, Audran1, Autor
Wimmer, Meryl1, Autor
Amory, Charles1, Autor
Rivière, Gwendal1, Autor
Genthon, Christophe1, Autor
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

Inhalt

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Schlagwörter: -
 Zusammenfassung: LMDZ is the global atmospheric component of the IPSL-CM Earth System Model, actively and historically involved in the CMIP exercices. The physics of LMDZ was recently coupled with the DYNAMICO icosahedral dynamical core, which allows in particular for a more consistent treatment of the atmospheric dynamics at high latitudes. DYNAMICO-LMDZ is now involved in the AWACA and THINICE projects, which aims to improve the simulation of the past, present and future polar climates thanks to intensive observational campaigns in the Antarctic and Arctic. In this overview presentation, we show the recent setting-up of new limited-area configurations of DYNAMICO-LMDZ to evaluate the physical content of the model over the poles as well as some on-going work on the parameterization development. We will show recent advances in the simulation of katabatic winds, a new drifting-snow scheme, and improvements in the representation of boundary-layer mixed-phase clouds. Current challenges and prospects regarding the parameterization of supersaturation with respect to ice, the representation of snow-atmosphere interactions, the physics-dynamics coupling in katabatic flows, as well as the tuning of an Antarctic configuration of the model will also be briefly presented.

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Sprache(n): eng - Englisch
 Datum: 2023
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.57757/IUGG23-2419
 Art des Abschluß: -

Veranstaltung

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Veranstaltungsort: Berlin
Start-/Enddatum: 2023-07-11 - 2023-07-20

Entscheidung

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences
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