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| Titel |
A global stratospheric bromine monoxide climatology based on the BASCOE chemical transport model |
| VerfasserIn |
N. Theys, M. Roozendael, Q. Errera, F. Hendrick, F. Daerden, S. Chabrillat, M. Dorf, K. Pfeilsticker, A. Rozanov, W. Lotz, J. P. Burrows, J.-C. Lambert, F. Goutail, H. K. Roscoe, M. Mazière |
| 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 ; 9, no. 3 ; Nr. 9, no. 3 (2009-02-03), S.831-848 |
| Datensatznummer |
250006814
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| Publikation (Nr.) |
 copernicus.org/acp-9-831-2009.pdf |
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| Zusammenfassung |
| A new climatology of stratospheric BrO profiles based on a parameterization
using dynamical and chemical indicators has been developed, with the aim to
apply it to the retrieval of tropospheric BrO columns from space nadir
measurements. The adopted parameterization is based on three years of output
data from the 3-D chemistry transport model BASCOE. The impact of the
atmospheric dynamics on the stratospheric BrO distribution is treated by
means of Bry/ozone correlations built from 3-D-CTM model results, while
photochemical effects are taken into account using stratospheric NO2
columns as an indicator of the BrO/Bry ratio. The model simulations
have been optimized for bromine chemistry and budget, and validated through
comparisons using an extensive data set of ground-based, balloon-borne and
satellite limb (SCIAMACHY) stratospheric BrO observations. |
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