Data Availability Statement
The CMIP6 data used in this study is available at https://esgf-node.llnl.gov/projects/cmip6/. ERSST data is available at https://psl.noaa.gov/data/gridded/data.noaa.ersst.v5.html. Chlorophyll data is available at https://www.oceancolour.org. NCEP data is available at https://psl.noaa.gov/data/. ERA5 data is available at https://cds.climate.copernicus.eu/.