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| Titel |
Surface layer similarity in the nocturnal boundary layer: the application of Hilbert-Huang transform |
| VerfasserIn |
J. Hong, J. Kim, H. Ishikawa, Y. Ma |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1726-4170
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| Digitales Dokument |
URL |
| Erschienen |
In: Biogeosciences ; 7, no. 4 ; Nr. 7, no. 4 (2010-04-19), S.1271-1278 |
| Datensatznummer |
250004666
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| Publikation (Nr.) |
 copernicus.org/bg-7-1271-2010.pdf |
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| Zusammenfassung |
| Turbulence statistics such as flux-variance relationship are critical
information in measuring and modeling ecosystem exchanges of carbon, water,
energy, and momentum at the biosphere-atmosphere interface. Using a recently
proposed mathematical technique, the Hilbert-Huang transform (HHT), this
study highlights its possibility to quantify impacts of non-turbulent flows
on turbulence statistics in the stable surface layer. The HHT is suitable for
the analysis of non-stationary and intermittent data and thus very useful for
better understanding the interplay of the surface layer similarity with
complex nocturnal environment. Our analysis showed that the HHT can
successfully sift non-turbulent components and be used as a tool to estimate
the relationships between turbulence statistics and atmospheric stability in
complex environments such as nocturnal stable boundary layer. |
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