Published July 12, 2024 | Version v1
Dataset Restricted

A compilation of beryllium-isotope, element, and grainsize data from sediments sampled from Prydz Bay and beneath Amery Ice Shelf, East Antarctica

Creators

  • 1. ROR icon University of Canberra
  • 2. ROR icon National Research Center on Human Evolution
  • 3. ROR icon Australian Nuclear Science and Technology Organisation
  • 4. ROR icon Geoscience Australia
  • 5. ROR icon Murdoch University
  • 6. ROR icon Australian National University
  • 7. ROR icon University of Queensland

Description

All tables are included in a single .xlsx file across three sheets. Each sheet includes sample information data: expedition and sample location information, reference to corresponding method section in text, and a reference to the source of the method employed for different procedures, or the reference to source data. Footnotes are used where necessary to explain a component of a table.

Supplementary Table 1: All beryllium data used for Sequential, Grainsize, Partial, and Total experiments described in text. 10Be concentration and corresponding 1-sigma (10^8 at/g), 9Be concentration and corresponding 1-sigma (10^15 at/g), and the 10Be/9Be ratio and corresponding 1-sigma (10^-8 at/at).

Supplementary Table 2: Element concentrations (µg/g) from samples across open marine and sub-ice shelf environments and their resultant enrichment factors (EF). Enrichment factors calculated using in text Equation 1. Estimated crustal abundance and ratio displayed below the data table.

Supplementary Table 3:  Grainsize of samples used in this study. 

Files

Restricted

The record is publicly accessible, but files are restricted to users with access.

Additional details

Funding

Postgraduate Research Award 12384
Australian Institute of Nuclear Science and Engineering
Access proposal AP11844
Australian Nuclear Science and Technology Organisation
Access proposal AP13005
Australian Nuclear Science and Technology Organisation

References

  • National Center for Biotechnology Information (2024). Periodic Table of Elements. Retrieved July 12, 2024 from https://pubchem.ncbi.nlm.nih.gov/periodic-table/.
  • Post, A.L. (2013). A compilation of grainsize, biogenic silica and carbonate data from East Antarctica surface sediments. Record 2013/05. Geoscience Australia: Canberra.
  • Wittmann, H., von Blanckenburg, F., Bouchez, J., Dannhaus, N., Naumann, R., Christl, M., & Gaillardet, J. (2012). The dependence of meteoric 10Be concentrations on particle size in Amazon River bed sediment and the extraction of reactive 10Be/9Be ratios. Chemical Geology, 318, 126-138.
  • O'Brien, P. E., Franklin, D., & O'Loughlin, M. (1993). Post cruise report, Prydz Bay and Mac. Robertson Shelf, Antarctica, January-March, 1993. Australian Geological Survey Organisation Record, 78.
  • Jeromson, M. R., Fujioka, T., Fink, D., Simon, K., Smith, J., Hillenbrand, C. D., ... & White, D. A. (2024). Circumpolar Deep Water upwelling is a primary source of 10Be in Antarctic continental shelf sediments. Global and Planetary Change, 236, 104424.
  • Bourles, D., Raisbeck, G. M., & Yiou, F. (1989). 10Be and 9Be in marine sediments and their potential for dating. Geochimica et Cosmochimica Acta, 53(2), 443-452.
  • Simon, Q., Thouveny, N., Bourles, D. L., Nuttin, L., Hillaire-Marcel, C., & St-Onge, G. (2016). Authigenic 10Be/9Be ratios and 10Be-fluxes (230Thxs-normalized) in central Baffin Bay sediments during the last glacial cycle: Paleoenvironmental implications. Quaternary Science Reviews, 140, 142-162.
  • Yokoyama, Y., Yamane, M., Nakamura, A., Miyairi, Y., Horiuchi, K., Aze, T., ... & Ando, Y. (2019). In-situ and meteoric 10Be and 26Al measurements: Improved preparation and application at the University of Tokyo. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 455, 260-264.