Early warning signal for a tipping point suggested by a millennial Atlantic Multidecadal Variability reconstruction.

This EWS test applied to our “real” paleoclimate AMV reconstruction indicates a highly significant increase in the AMV’s memory over the recent period for all window lengths: \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\tau }{\in }$$\end{document} τ ∈ [0.47,0.55] ( P < 0.01 for all, Fig. 6a , “Methods”).

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