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. 2022 Oct 24;13:6261. doi: 10.1038/s41467-022-33952-z

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© The Author(s) 2022

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. 1 — a Map showing locations of relative sea level (RSL) reconstructions using series of cores obtained from northwestern (Bonaparte Gulf^3,4) and northeastern Australia (the Great Barrier Reef: GBR⁵). b The Bonaparte Gulf cores were retrieved from different water depths designed to capture the full range of LGM RSL. Details of facies analyses were conducted using microfossils and radiocarbon dates that confirmed local RSL to be as low as −120 to −123 m during the LGM. Full reference citation details are available in ref. 4. c Corals, foraminifera, and other biofacies analyses, together with >800 radiometric dates, revealed sub-seafloor reef structures and RSL during the last 30,000 years at the GBR^5,11. Two sigma age uncertainties are shown for each dated sample. RSL curves⁵ for samples drilled at Noggin Pass (NOG) off Cairns (d) They are based on extensive palaeo-water depth analyses using habitat depth ranges of various fossils from NOG. Full reference citation details are available in ref. 11.