Forecasting the underlying potential governing the time series of a dynamical system


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gerrit.lohmann [ at ] awi.de

Abstract

We introduce a technique of time series analysis, potential forecasting, which is based on dynamical propagation of the probability density of time series. We employ polynomial coefficients of the orthogonal approximation of the empirical probability distribution and extrapolate them in order to forecast the future probability distribution of data. The method is tested on artificial data, used for hindcasting observed climate data, and then applied to forecast Arctic sea-ice time series. The proposed methodology completes a framework for ‘potential analysis’ of tipping points which altogether serves anticipating, detecting and forecasting nonlinear changes including bifurcations using several independent techniques of time series analysis. Although being applied to climatological series in the present paper, the method is very general and can be used to forecast dynamics in time series of any origin.



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ISI/Scopus peer-reviewed
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Published
Eprint ID
33300
Cite as
Livina, V. , Lohmann, G. , Mudelsee, M. and Lenton, T. M. (2013): Forecasting the underlying potential governing the time series of a dynamical system , Physica A-Statistical Mechanics and Its Applications, 392 , pp. 3891-3902 .


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