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| Titel |
Simulation of ozone production in a complex circulation region using nested grids |
| VerfasserIn |
M. Taghavi, S. Cautenet, G. Foret |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 4, no. 3 ; Nr. 4, no. 3 (2004-06-04), S.825-838 |
| Datensatznummer |
250001721
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| Publikation (Nr.) |
 copernicus.org/acp-4-825-2004.pdf |
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| Zusammenfassung |
| During the ESCOMPTE precampaign (summer 2000, over Southern France), a 3-day
period of intensive observation (IOP0), associated with ozone peaks, has been
simulated. The comprehensive RAMS model, version 4.3, coupled on-line with a
chemical module including 29 species, is used to follow the chemistry of the
polluted zone. This efficient but time consuming method can be used because
the code is installed on a parallel computer, the SGI 3800. Two runs are
performed: run 1 with a single grid and run 2 with two nested grids. The
simulated fields of ozone, carbon monoxide, nitrogen oxides and sulfur dioxide
are compared with aircraft and surface station measurements. The 2-grid run
looks substantially better than the run with one grid because the former takes
the outer pollutants into account. This on-line method helps to satisfactorily
retrieve the chemical species redistribution and to explain the impact of
dynamics on this redistribution. |
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