A sediment drift deposit over 30 metres thick was discovered on the East Antarctic continental shelf in an 850 metre deep glacial trough off George Vth Land. Radiocarbon dating indicates a period of rapid deposition occurred in the mid-Holocene, between about 3,000 and 5,000 years before present. The dataset is hosted by the Australian Ocean Data Network.
Use Cases
- Modeling paleoceanographic currents based on the described sediment drift deposit.
- Analyzing Antarctic bottom water production changes during the Holocene period.
- Correlating sediment deposition rates with climatic events using the radiocarbon dating timeframe.
Strengths
- Describes a specific sediment deposit over 30 metres in thickness.
- Provides a temporal range for rapid deposition between about 3,000 and 5,000 years before present.
- Located in a defined geographic area: an 850 metre deep glacial trough off George Vth Land.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to data_gov_au.
Provenance
- Source
- Australian Ocean Data Network
- Time Range
- Mid-Holocene, between about 3,000 and 5,000 years before present.
- Freshness
- Last updated 2026-05-05 00:38:07.155828; freshness should be verified.
- Geography
- East Antarctic continental shelf, glacial trough off George Vth Land.