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Dynamic scaling of bred vectors in spatially extended chaotic systems

Primo, C., Szendro, I. G., Rodriguez, M. A. and Lopez, J. M. (2006) Dynamic scaling of bred vectors in spatially extended chaotic systems. Europhysics Letters, 76 (5). pp. 767-773. ISSN 0295-5075

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Abstract/Summary

We unfold a profound relationship between the dynamics of finite-size perturbations in spatially extended chaotic systems and the universality class of Kardar-Parisi-Zhang (KPZ). We show how this relationship can be exploited to obtain a complete theoretical description of the bred vectors dynamics. The existence of characteristic length/time scales, the spatial extent of spatial correlations and how to time it, and the role of the breeding amplitude are all analyzed in the light of our theory. Implications to weather forecasting based on ensembles of initial conditions are also discussed.

Item Type:Article
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:5282
Uncontrolled Keywords:PERTURBATIONS INTERFACES GROWTH

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