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| Titel |
Transitional dispersive scenarios driven by mesoscale flows on complex terrain under strong dry convective conditions |
| VerfasserIn |
J. L. Palau, G. Pérez-Landa, M. M. Millán |
| 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. 1 ; Nr. 9, no. 1 (2009-01-08), S.119-130 |
| Datensatznummer |
250006633
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| Publikation (Nr.) |
 copernicus.org/acp-9-119-2009.pdf |
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| Zusammenfassung |
| By experimentation and modelling, this paper analyses the atmospheric
dispersion of the SO2 emissions from a power plant on complex terrain
under strong convective conditions, describing the main dispersion features
as an ensemble of "stationary dispersive scenarios" and reformulating some
"classical" dispersive concepts to deal with the systematically monitored
summer dispersive scenarios in inland Spain. The results and discussions
presented arise from a statistically representative study of the physical
processes associated with the multimodal distribution of pollutants aloft
and around a 343-m-tall chimney under strong dry convective conditions
in the Iberian Peninsula. This paper analyses the importance of the
identification and physical implications of transitional periods for air
quality applications. The indetermination of a transversal plume to the
preferred transport direction during these transitional periods implies a
small (or null) physical significance of the classical definition of
horizontal standard deviation of the concentration distribution. |
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