Figure 1

Information flow from TSI to OHCA time series. (a) TSI (blue line) and the global OHCA in upper 700 m (red line). (b) Information flow from TSI to the global mean OHCA. The size of the sliding window is 22 years (88 points), and the gray shadow covers a 68% confidence interval. The figure was created by using Matlab version R2016b.