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. 2018 Apr 10;9:1369. doi: 10.1038/s41467-018-03804-w

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© The Author(s) 2018

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 — Comparisons of paleohydrological records. a ZK-5 δ²H₂₉ values. b ZK-3 hopanoid flux¹². c IRM_soft-flux in stalagmite HS4¹⁰. d The calcite δ¹⁸O record from Sanbao Cave¹⁴. e The C₂₉ and C₃₁ n-alkane weight-averaged δ²H values of SO188-342KL³⁷ over the last 18 ky. f The Δδ²H (between Sanbao Cave carbonate and ZK-5 leaf waxes). Error bars represent 1 s.d. of replicate runs