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| Titel |
Spatio-temporal error growth in the multi-scale Lorenz'96 model |
| VerfasserIn |
S. Herrera, J. Fernandez, M. A. Rodríguez, J. M. Gutiérrez |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 17, no. 4 ; Nr. 17, no. 4 (2010-07-22), S.329-337 |
| Datensatznummer |
250013703
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| Publikation (Nr.) |
 copernicus.org/npg-17-329-2010.pdf |
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| Zusammenfassung |
| The influence of multiple spatio-temporal scales on the error growth and
predictability of atmospheric flows is analyzed throughout the paper. To this
aim, we consider the two-scale Lorenz'96
model and study the interplay
of the slow and fast variables on the error growth dynamics. It is shown that
when the coupling between slow and fast variables is weak the slow variables
dominate the evolution of fluctuations whereas in the case of strong coupling
the fast variables impose a non-trivial complex error growth pattern on the
slow variables with two different regimes, before and after saturation of
fast variables. This complex behavior is analyzed using the recently
introduced Mean-Variance Logarithmic (MVL) diagram. |
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