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Erschienen in:
1994 | OriginalPaper | Buchkapitel
Detection of a Perturbed Equator-Pole Temperature Gradient in a Spectral Model of the Atmospheric Circulation
verfasst von : Sipko L. J. Mous
Erschienen in: Predictability and Nonlinear Modelling in Natural Sciences and Economics
Verlag: Springer Netherlands
Enthalten in: Professional Book Archive
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This paper deals with the assessment of external perturbations in nonlinear chaotic dynamical processes using an extended Kalman filter treatment. We consider processes that can be modelled by a system of nonlinear ordinary differential equations and we use the extended Kalman filter to estimate the size of external perturbations. As an example to illustrate this approach we have analyzed a lower order spectral model of the atmospheric circulation with a perturbed equator-pole temperature gradient.