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Reply to: Concerns of assuming linearity in the reconstruction of thermal maxima

The Original Article was published on 27 July 2022

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Fig. 1: Impact of nonlinearities on Western Pacific Warm Pool SSTs.
Fig. 2: PMIP global versus tropical (40° S–40° N) mean annual temperature (area weighted) change from 6 ka to 0 ka for PMIP2 (13 models), PMIP3 (15 models) and PMIP4 (15 models).

Data availability

The datasets used in this study are available in the NOAA Database, World Data Service for Paleoclimatology at

Code availability

A MATLAB code that implements the SAT method and the analysis presented in Fig. 1 is available on GitHub at


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Funding for this research was provided by NSF grants OCE-1834208 and OCE-1810681, the NSF-sponsored US Science Support Program for IODP, the Institute of Earth, Ocean, and Atmospheric Sciences at Rutgers University, the Chinese NSF 41630527, the School of Geography, Nanjing Normal University, and the USIEF-Fulbright Program.

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S.B., Y.R., Z.L., M.Y., A.J.B., S.P.G. and C.Z. contributed to conception of the presented ideas. S.B. wrote the first manuscript draft. All authors provided review and editing. Three authors not on the original paper were added to the author list. C.Z. provided additional analysis of model results. A.J.B. provided critical feedback and discussion. W.Z. provided the analysis of the PMIP global versus tropical mean annual temperature shown in Fig. 2.

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Correspondence to Samantha Bova.

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Bova, S., Rosenthal, Y., Liu, Z. et al. Reply to: Concerns of assuming linearity in the reconstruction of thermal maxima. Nature 607, E15–E18 (2022).

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