Fernández, Isabel; Hernández, Carmen N.; Pacheco, José M. - In: Physica A: Statistical Mechanics and its Applications 323 (2003) C, pp. 705-714
In this paper the authors address the problem of predictability for the NAO index series. The spectral analysis, completed with a bootstrap procedure, shows a rather featureless structure of the index. In other words, the actual time series could be a realisation of many different stochastic...