Beryllium isotope signatures of ice shelves and sub-ice shelf circulation

Beryllium isotope measurements from a range of depositional environments in Prydz Bay, one of Antarctica's largest ice drainage systems. The dataset, published in Earth and Planetary Science Letters in 2019, demonstrates the use of Be isotopes as tracers for sediment source, transport pathways, and sub-ice shelf circulation strength in glacio-marine environments. Data is provided by Geoscience Australia.

Use Cases

• Modeling sub-ice shelf circulation patterns based on 10Be concentration signatures.
• Discriminating between open marine and sub-ice shelf sediment depositional environments using HCl-extractable 10Be/9Be ratios.
• Tracing sediment sources and transport pathways in Antarctic ice drainage systems.
• Reconstructing paleo-ice sheet margin conditions using Be isotope signatures.

Strengths

• Focus on Prydz Bay, one of Antarctica's largest ice drainage systems, providing a specific regional context.
• Data supports a published 2019 study in Earth and Planetary Science Letters, indicating peer-reviewed scientific use.
• Platform tags indicate coverage of multiple domains: Beryllium Isotopes, Ocean Circulation, Glaciology, and Marine Sediment.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the single study location in Prydz Bay.

Provenance

Source

Geoscience Australia Data

Collection Method

Measurements of Be isotopes in sediment samples from open marine, sub-ice shelf, and subglacial settings.

Time Range

Likely reflects the sampling period of the underlying 2019 study.

Freshness

Last updated 2026-03-25 15:26:52.313911; freshness should be verified.

Geography

Prydz Bay, Antarctica.