Replication Data for: Micrometer-scale sediment grain-size prediction using X-Ray Fluorescence geochemistry and Computed Tomography density scanning data

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Auer, Andreea Gabriela; van der Bilt, Willem G. M.; Bertrand, Sebastien; Hasal, Katarzyna, 2025, "Replication Data for: Micrometer-scale sediment grain-size prediction using X-Ray Fluorescence geochemistry and Computed Tomography density scanning data", https://doi.org/10.18710/8I9G81, DataverseNO, V1
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Description
This dataset contains the data generated for the study "Micrometer-scale sediment grain-size prediction using X-Ray Fluorescence geochemistry and Computed Tomography density scanning data" by Auer et al. 2025. The study presents a method that allows micrometer-scale prediction of mean grain size. The authors integrate grain size-sensitive Computed Tomography (CT) density data into a linear regression-based modelling approach that relies on X-ray fluorescence (XRF) geochemistry. Via experiments on synthetic cores and real-world applications on sediment cores with published grain-size profiles, the study demonstrates that CT scans improve the predictability of grain size, especially in sediments with a homogenous geochemistry, where CT data can be used as a sole predictor. (2025-06-17)
Subject Earth and Environmental Sciences
Keyword Grain-size prediction, Computed Tomography (CT), X-Ray Fluorescence (XRF), High-resolution sediment analysis
Related Publication Auer, A.G., van der Bilt, W.G.M., Bertrand, S., Hasal, K., Micrometer-scale sediment grain-size prediction using X-Ray Fluorescence geochemistry and Computed Tomography density scanning data (2025)
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00_README_file.txt
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Published Aug 8, 2025
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MD5: b07e6414efb9a29b1fd3e09b256ed278
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01_Auer_et_al_2025_Dataset_Q boxes_Dry-1.txt
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Published Aug 8, 2025
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MD5: c3e454deff4d09b49c5156fefc87030a
Grain size measurements, CT density, and XRF values for the dry, quartz-filled synthetic sediment boxes
Preview "01_Auer_et_al_2025_Dataset_Q boxes_Dry-1.txt"
02_Auer_et_al_2025_Dataset_Mixed boxes_Dry-1.txt
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Published Aug 8, 2025
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MD5: 1ad00f4e858e69b5dc6bc1798fa31233
Grain size measurements, CT density, and XRF values for the dry, mixed sediment-filled synthetic sediment boxes
Preview "02_Auer_et_al_2025_Dataset_Mixed boxes_Dry-1.txt"
03_Auer_et_al_2025_Dataset_Mixed+Organic boxes_Dry-1.txt
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Published Aug 8, 2025
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MD5: 2533a16e7191b506f620052138c6deef
Grain size measurements, CT density, and XRF values for the dry, mixed sediment & organic content-filled synthetic sediment boxes
Preview "03_Auer_et_al_2025_Dataset_Mixed+Organic boxes_Dry-1.txt"
04_Auer_et_al_2025_Dataset_Q boxes_Wet-1.txt
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Published Aug 8, 2025
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MD5: f0da22d8eef64453789aa689026e3e6e
Grain size measurements, CT density, and XRF values for the water-saturated, quartz-filled synthetic sediment boxes
Preview "04_Auer_et_al_2025_Dataset_Q boxes_Wet-1.txt"
05_Auer_et_al_2025_Dataset_Mixed boxes_Wet-1.txt
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Published Aug 8, 2025
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MD5: b6acb8b911d11248668f3b7ece165ae6
Grain size measurements, CT density, and XRF values for the water-saturated, mixed sediment-filled synthetic sediment boxes
Preview "05_Auer_et_al_2025_Dataset_Mixed boxes_Wet-1.txt"
06_Auer_et_al_2025_Dataset_Mixed+Organic boxes_Wet-1.txt
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Published Aug 8, 2025
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MD5: 9c0f2a2c14c938dae59d4a0a7fe5aab9
Grain size measurements, CT density, and XRF values for the water-saturated, mixed sediment & organic content-filled synthetic sediment boxes
Preview "06_Auer_et_al_2025_Dataset_Mixed+Organic boxes_Wet-1.txt"
07_Auer_et_al_2025_TrainingDataset_POS513-42.txt
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Published Aug 8, 2025
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Grain size measurements, CT density, and XRF values used to train the grain size prediciton models for core POS513-41
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08_Auer_et_al_2025_PredictionDataset_POS513-42.txt
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Published Aug 8, 2025
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MD5: 5a0a8b1ed12c2e2fd8235f9263208ac2
CT density, and XRF values used to predict grain size for core POS513-41 as well as the predicted grain size values obtained from the 3 different models.
Preview "08_Auer_et_al_2025_PredictionDataset_POS513-42.txt"
09_Auer_et_al_2025_TrainingDataset_AST-P2-19.txt
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Published Aug 8, 2025
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MD5: b3349422e2baed9cd47120db3a74999f
Grain size measurements, CT density, and XRF values used to train the grain size prediciton models for core AST-P2-18
Preview "09_Auer_et_al_2025_TrainingDataset_AST-P2-19.txt"
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