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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. 9 — SWE parameter cross-checked against ETH tube measurement and density cutter measurements. At each snowpit, it was common to take measurements of SWE using the aluminium SWE ETH-tube and density using the density cutter. By using the equation linking SWE to the density and volume of snow, we are able to compare the two instruments. This figure presents a SWE comparison of the SWE ETH-tube to the SWE calculated using the density cutter covering measurements of the entire season and collected on all three central observatories (CO1, CO2 and CO3). The average of all density cutter measurements in one profile was multiplied by the corresponding height in the SWE-ETH tube to obtain the SWE for the density cutter. The SWE-ETH tube values were taken directly from the dataset. If there were multiple measurements for one profile, the average SWE was taken.