Estimating the Attractor Dimension of the Equatorial Weather System

Details Estimating the Attractor Dimension of the Equatorial Weather System Estimating the Attractor Dimension of the Equatorial Weather System

1995-10-25

arxiv.org/abs/chao-dyn/9510015v1

Nonlinear Sciences

Chaotic Dynamics

Postscript, 7 pages

Scientific paper

The correlation dimension and limit capacity serve theoretically as lower and upper bounds, respectively, of the fractal dimension of attractors of dynamic systems. In this paper, we show that estimates of the correlation dimension grow rapidly with increasing noise level in the time-series, while estimates of the limit capacity remain relatively unaffected. It is therefore proposed that the limit capacity be used in studies of noisy data, despite its heavier computational requirements. An analysis of Singapore wind data with the limit capacity estimate revealed a surprisingly low dimension (~2.5). It is suggested that further studies be made with comprehensive equatorial weather data.

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