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| Titel |
Characteristics of the NO-NO2-O3 system in different chemical regimes during the MIRAGE-Mex field campaign |
| VerfasserIn |
Z.-H. Shon, S. Madronich, S.-K. Song, F. M. Flocke, D. J. Knapp, R. S. Anderson, R. E. Shetter, C. A. Cantrell, S. R. Hall, X. Tie |
| 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 ; 8, no. 23 ; Nr. 8, no. 23 (2008-12-09), S.7153-7164 |
| Datensatznummer |
250006487
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| Publikation (Nr.) |
 copernicus.org/acp-8-7153-2008.pdf |
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| Zusammenfassung |
| The NO-NO2 system was analyzed in different chemical
regimes/air masses based on observations of reactive nitrogen species and
peroxy radicals made during the intensive field campaign MIRAGE-Mex (4 to 29 March 2006). The air masses were categorized into 5 groups based on
combinations of macroscopic observations, geographical location,
meteorological parameters, models, and observations of trace gases: boundary
layer (labeled as "BL"), biomass burning ("BB"), free troposphere
(continental, "FTCO" and marine, "FTMA"), and Tula industrial complex
("TIC"). In general, NO2/NO ratios in different air masses are near
photostationary state. Analysis of this ratio can be useful for testing
current understanding of tropospheric chemistry. The ozone production
efficiency (OPE) for the 5 air mass categories ranged from 4.5 (TIC) to 8.5 (FTMA),
consistent with photochemical aging of air masses exiting the Mexico
City Metropolitan Area. |
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