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. 2023 Jul 31;16(8):730–738. doi: 10.1038/s41561-023-01234-y

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© The Author(s) 2023, corrected publication 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — a, The modern-day relationship between W/D and δ⁷Li_riv (the boomerang shape), with which our modelled average W/D and δ⁷Li_riv results from Scenario 8 are compared, as well as those inferred from the modelling of other climatic events (where the W/D and δ⁷Li_riv data decline for Oceanic Anoxic Event 2 (OAE2) and the PETM (red arrow) but increase for the Hirnantian glaciation (blue arrow)); the present-day global average is also shown^{21,29,30,35,36}. b, The inset shows the pre- and post-MECO conditions (grey and blue triangles near position 4), the peak MECO conditions (yellow cross near position 3) and the present-day conditions (yellow star) and how they correspond to the different surface environments (main image) that affect δ⁷Li_riv values³⁰.