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| Titel |
IGCM4: a fast, parallel and flexible intermediate climate model |
| VerfasserIn |
M. Joshi, M. Stringer, K. Wiel, A. O'Callaghan, S. Fueglistaler |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1991-959X
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| Digitales Dokument |
URL |
| Erschienen |
In: Geoscientific Model Development ; 8, no. 4 ; Nr. 8, no. 4 (2015-04-23), S.1157-1167 |
| Datensatznummer |
250116283
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| Publikation (Nr.) |
 copernicus.org/gmd-8-1157-2015.pdf |
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| Zusammenfassung |
| The IGCM4 (Intermediate Global Circulation Model version 4) is a global
spectral primitive equation climate model whose predecessors have extensively
been used in areas such as climate research, process modelling and
atmospheric dynamics. The IGCM4's niche and utility lies in its speed and
flexibility allied with the complexity of a primitive equation climate model.
Moist processes such as clouds, evaporation, atmospheric radiation and soil
moisture are simulated in the model, though in a simplified manner compared
to state-of-the-art global circulation models (GCMs). IGCM4 is a parallelised model, enabling
both very long integrations to be conducted and the effects of higher
resolutions to be explored. It has also undergone changes such as alterations
to the cloud and surface processes and the addition of gravity wave drag.
These changes have resulted in a significant improvement to the IGCM's
representation of the mean climate as well as its representation of
stratospheric processes such as sudden stratospheric warmings. The IGCM4's
physical changes and climatology are described in this paper. |
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