Higher-frequency oscillations (such as those associated with solar activity) [10] are contained in the residuals; e.g., EVs #7 and #8 define a 13-year period signal, while EVs #9 and #10 define an 18-year period signal (also identified through the slightly significant autocorrelation values at time lags 13 and 18 years in Fig. 2c ).
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Application of the singular spectrum analysis technique to study the recent hiatus on the global surface temperature record.
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