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| Titel |
Statistical dynamics of tropical wind in radiosonde data |
| VerfasserIn |
T.-Y. Koh, Y. S. Djamil, C.-K. Teo |
| 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 ; 11, no. 9 ; Nr. 11, no. 9 (2011-05-06), S.4177-4189 |
| Datensatznummer |
250009697
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| Publikation (Nr.) |
 copernicus.org/acp-11-4177-2011.pdf |
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| Zusammenfassung |
| Weibull distributions were fitted to wind speed data from radiosonde
stations in the global tropics. A statistical theory of independent wind
contributions was proposed to partially explain the shape parameter k obtained
over Malay Peninsula and the wider Equatorial Monsoon Zone. This statistical
dynamical underpinning provides some justification for using empirical
Weibull fits to derive wind speed thresholds for monitoring data quality.
The regionally adapted thresholds retain more useful data than conventional
ones defined from taking the regional mean plus three standard deviations.
The new approach is shown to eliminate reports of atypically strong wind
over Malay Peninsula which may have escaped detection in quality control of
global datasets as the latter has assumed a larger spread of wind speed. New
scientific questions are raised in the pursuit of statistical dynamical
understanding of meteorological variables in the tropics. |
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