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. 2023 Jun 22;10:398. doi: 10.1038/s41597-023-02273-1

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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. 3 — Schematic diagram of the snowpit locations across central observatory 1. Schematic diagram of central observatory 1 (CO1) adapted from the maps used during the expedition from 2019-10-25 - 2020-05-15. For detailed information on location acronyms, please refer to the snow and ice overview manuscript²⁰.