The authors regret Fig. 6. The wavelet transform variance coefficient (a) and wavelet analysis (b) results of the YX108 Δδ18O record. The X-axis represents the timescale in (a), and the Y-axis represents the wavelet coefficient. The peaks of the wavelet variance correspond to the significant period respectively. When the wavelet variance reaches the maximum value, the scale of the wavelet function agrees well with the sequence period, indicating that the periodic oscillation at this scale is the strongest, which is called the main period (Bradshaw and Spies, 1992). Spectral power in (b) is shown by colors ranging from deep blue (weak) to deep red (strong). The 95% significance level against red noise is shown by the thick solid line, two white dashed lines indicate 50 and 80 years. The spectra were estimated using the method of Grinsted et al. (2004) (available at: http://noc.ac.uk/using-science/crosswavelet-wavelet-coherence). Note: In the original text, only the abscissa of Fig. 6a shows an error, the correct picture is attached here.