Figure 4

Cross-spectral analysis with SST reconstruction.
Blackman-Harris 3-Term Cross-spectral coherence plot of the PTP (this study) and the Gray et al. (2004)23 SST record. The dashed line indicates the 90.6% false alarm level.
Cross-spectral analysis with SST reconstruction.
Blackman-Harris 3-Term Cross-spectral coherence plot of the PTP (this study) and the Gray et al. (2004)23 SST record. The dashed line indicates the 90.6% false alarm level.