Replication Data for: Hydroclimate intensification likely aided glacier survival on Svalbard in the Early Holocene

Version 1.1
Auer, Andreea Gabriela; van der Bilt, Willem G. M.; Schomacker, Anders; Bakke, Jostein; Støren, Eivind W. N.; Buckby, Joseph M.; Cederstrøm, Jan Magne; van der Plas, Sander, 2025, "Replication Data for: Hydroclimate intensification likely aided glacier survival on Svalbard in the Early Holocene", https://doi.org/10.18710/VDCUJE, DataverseNO, V1
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Description

This dataset includes the results of analyses presented in the study "Hydroclimate intensification likely aided glacier survival on Svalbard in the Early Holocene" by Auer et al. 2025. The study presents evidence of glacier survival on Svalbard during the warmer-than-present Holocene Thermal Maximum (HTM).

The analyses were performed on sedimentary records from two lakes (Berglivatnet, Lakssjøen) which receive meltwater from the Åsgardfonna ice cap.The cores were extracted in the summer of 2021 using a Nesje corer (piston cores) and a UWITEC gravity coring system. Chronological data shows they cover ~14 ka.

The data are organized per paper figure per .txt file and include magnetic susceptibility, chronology, X-ray Fluorescence, Computed Tommography and grain size analysis. Additional details may be found in the appended readme file.

(2024-05-24)
Subject Earth and Environmental Sciences
Keyword Paleoclimatology, Lake sediment, Arctic glaciers, End Member modelling (EMMA), Computed Tomography
Related Publication Auer, A.G., van der Bilt, W.G.M., Schomacker, A. et al. Hydroclimate intensification likely aided glacier survival on Svalbard in the Early Holocene. Commun Earth Environ 6, 100 (2025).doi: https://doi.org/10.1038/s43247-025-02064-z
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00_README_file.txt
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Published Jan 9, 2025
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MD5: 2f816d200ca49718de328d8b77c23e4a
Preview "00_README_file.txt"
Auer_et_al_2025_Figure_3-Berglivatnet_MS.txt
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Published Jan 9, 2025
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MD5: e79c599f2d0ac6d7b582c5805a0a5fbf
The magnetic susceptibility (MS) data seen in Figure 3 and used to align the gravity (602-21-10) and piston (602-21-11) cores from lake Berglivatnet.
Data
Preview "Auer_et_al_2025_Figure_3-Berglivatnet_MS.txt"
Auer_et_al_2025_Figure_4-Age-depth_Berglivatnet.txt
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Published Jan 9, 2025
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MD5: e853f04e4dc69450638e42c4108c68f1
The data behind Figure 4 containing interpolated calibrated down-core ages for the Berglivatnet record, based on the radiocarbon chronology
Data
Preview "Auer_et_al_2025_Figure_4-Age-depth_Berglivatnet.txt"
Auer_et_al_2025_Figure_5-Berglivatnet_Stratigraphy.txt
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Published Jan 9, 2025
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MD5: 7e47a76994194341082cd2711270a383
All stratigraphic data (LOI, DBD, XRF, CT, grain size) presented in Figure 5
Data
Preview "Auer_et_al_2025_Figure_5-Berglivatnet_Stratigraphy.txt"
Auer_et_al_2025_Figure_5_Suppl_Figures_5_6-Berglivatnet_EM_abundances .txt
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Published Jan 9, 2025
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MD5: df1887e9973c76c7144464d67e9c7ce8
End-member abundances output of the End Member analysis presented in Figure 5 as well as Supplementary Figures 5 and 6
Data
Preview "Auer_et_al_2025_Figure_5_Suppl_Figures_5_6-Berglivatnet_EM_abundances .txt"
Auer_et_al_2025_Figure_5_Suppl_Figure_5-Berglivatnet_EM_densities.txt
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Published Jan 9, 2025
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MD5: 79f00e7dd618ac6c691ce43f76ad5461
End-member densities output of the End Member analysis presented in Figure 5 as well as Supplementary Figure 5
Data
Preview "Auer_et_al_2025_Figure_5_Suppl_Figure_5-Berglivatnet_EM_densities.txt"
Auer_et_al_2025_Figure_5_Suppl_Figure_5-Berglivatnet_Mastersizer_measurements.txt
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Published Jan 9, 2025
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MD5: 2131dbbadd334de490e469701bc02d00
Particle Sized Distributions (PSD) from measured samples as presented in Figure 5 and Supplementary Figure 5
Data
Preview "Auer_et_al_2025_Figure_5_Suppl_Figure_5-Berglivatnet_Mastersizer_measurements.txt"
Auer_et_al_2025_Figure_6-PCA_Berglivatnet.txt
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Published Jan 9, 2025
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MD5: 2c838c243f71f146a631366c361f7f1d
All data used for the Principal Component Analysis (PCA) presented in Figure 6
Data
Preview "Auer_et_al_2025_Figure_6-PCA_Berglivatnet.txt"
Auer_et_al_2025_Figure_7_Suppl_Figure_6-EM1_EM3.txt
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Published Jan 9, 2025
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MD5: 39612273a4dc16587cac162530bbdb94
Data behind the chronological distribution of EM 1 and EM 3 used in Figure 7 and Supplementary Figure 6
Data
Preview "Auer_et_al_2025_Figure_7_Suppl_Figure_6-EM1_EM3.txt"
Auer_et_al_2025_Suppl_Figure_1-Lakssjøen_MS.txt
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Published Jan 9, 2025
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MD5: a35fad433da1cb524b6f7d1248ba9379
The magnetic susceptibility (MS) data seen in Supplementary Figure 1 and used to align the gravity (602-21-1, 602-21-3) and piston (602-21-2, 602-21-4) cores from lake Lakssjøen
Data
Preview "Auer_et_al_2025_Suppl_Figure_1-Lakssjøen_MS.txt"
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