JR100 Expedition 379T Site J1002 beryllium isotope, XRF element count and carbon isotope data sets
JR100 Expedition 379T Site J1002 beryllium isotope, XRF element count and carbon isotope data sets (Finalised 8th of April 2024) How to cite these data: The full data were published in Sproson et al., 2024. Sproson AD, Yokoyama Y, Miyairi Y, Aze T, Clementi VJ, Riechelson H, Bova SC, Rosenthal Y, Ch...
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| Summary: | JR100 Expedition 379T Site J1002 beryllium isotope, XRF element count and carbon isotope data sets (Finalised 8th of April 2024)
How to cite these data:
The full data were published in Sproson et al., 2024.
Sproson AD, Yokoyama Y, Miyairi Y, Aze T, Clementi VJ, Riechelson H, Bova SC, Rosenthal Y, Childress LB & Expedition 379T Scientists. Near-synchronous Northern Hemisphere and Patagonian ice sheet variation over the last glacial cycle. Nature Geoscience https://doi.org/10.1038/s41561-024-01436-y (2024).
Files:
Supplementary Table 1: Multiple linear regression results between 10Be/9Be ratios and sedimentation rate, K/Ca, Fe/Ca, Al/Ti (this study), Green/Blue (Li et al., 2022), and Global Mean Sea Level (Lambeck et al., 2014). The multiple linear regression was calculated using the MATLAB(R) function “regress”.
Supplementary Table 2: Age-depth model and beryllium isotope measurements for Site J1002. The age-depth model was calculated from radiocarbon dates and oxygen isotope stratigraphy (Li et al., 2022) using the BIGMACS modelling routine (Lee et al., 2022). Beryllium-9 and beryllium-10 were measured by Adam D. Sproson by HR-ICP-MS and AMS at the Atmosphere and Ocean Research Institute (Sproson et al., 2021) and University of Tokyo (Matsuzaki et al., 2007), respectively. 10Be/9Be* ratios were corrected for 10Be paleo-production following von Blanckenburg et al. (2015).
Supplementary Table 3: X-ray Fluorescence Ti, K, Fe, Ca, and Al element counts per second for Site J1002 measured at the Lamont-Doherty Earth Observatory by Vincent J. Clementi.
Supplementary Table 4: Carbon isotope measurements for the benthic foraminifera, U. peregrina, measured at Rutgers University by Vincent J. Clementi.
Format:
Depth (m CCSF-A) = core composite depth below seafloor.
Calendar age (kyr BP) = age in thousand years before present.
[10Be]reac, [9Be]reac = the concentration of 10Be and 9Be in the reactive phase of marine sediments.
Sample ID = expedition sample designation specifying hole (e.g., A), core number (e.g., 1), type (i.e., H), section number (e.g., 1), and then section half (i.e., W).
σ = standard deviation.
References:
Lambeck K, Rouby H, Purcell A, Sun Y, Sambridge M. Sea level and global ice volumes from the Last Glacial Maximum to the Holocene. Proceedings of the National Academy of Sciences. 2014;111(43):15296-15303.
Lee T, Rand D, Lisiecki LE, Gebbie G, Lawrence CE. Bayesian age models and stacks: Combining age inferences from radiocarbon and benthic δ |
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| ISSN: | 1752-0894 1752-0908 |