Beryllium Isotope Measurements in Antarctic Ice Shelf Sediments

Prydz Bay, one of Antarctica's largest ice drainage systems, provides the geographic scope for this dataset. It contains measurements of beryllium (Be) isotopes in sediments from open marine, sub-ice shelf, and subglacial depositional environments. The data was published in a 2019 study by researchers including Duanne A. White and David Fink.

Use Cases

• Model sub-ice shelf circulation strength by analyzing 10Be concentrations as a proxy for sediment advection patterns.
• Discriminate between open marine and sub-ice shelf sediment depositional environments using HCl-extractable 10Be/9Be ratios.
• Trace sediment source and transport pathways in glacio-marine settings by comparing isotopic signatures across different environments.
• Reconstruct paleo-ice sheet margins and circulation by applying Be isotope tracers to historical sediment records.

Strengths

• Data covers multiple distinct depositional environments: open marine, sub-ice shelf, and subglacial settings.
• Findings are peer-reviewed and published in Earth and Planetary Science Letters (Volume 505, 2019).

Limitations

• Exact sample size, row count, and column details are unknown.
• Geographic scope is limited to the Prydz Bay region of Antarctica.

Provenance

Source

Australian Ocean Data Network, sourced from the published study.

Collection Method

Isotopic measurements taken from sediment samples collected in Prydz Bay.

Time Range

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Freshness

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Geography

Prydz Bay, Antarctica.