Mertz Drift Formation Data from Sub-Bottom Profiling and Sediment Cores, East Antarctica

The George Vth Basin on the East Antarctic margin contains recently discovered drift deposits. The dataset likely contains evidence from 35 kHz sub-bottom profiling and sediment cores, providing information on Holocene palaeoceanography and bottom current activity. It was aggregated by the Australian Ocean Data Network and last updated on 2026-04-10.

Use Cases

• Modeling Holocene bottom current regimes based on drift deposit evidence.
• Analyzing sediment core data to infer variations in bottom water export.
• Correlating sub-bottom profiling data with paleoceanographic conditions in deep shelf basins.

Strengths

• Focuses on a recently discovered and previously inaccessible Antarctic feature.
• Data is sourced from the Australian Ocean Data Network, an authoritative oceanographic data aggregator.
• Last updated on 2026-04-10, indicating recent metadata maintenance.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and data size are unknown, which may limit suitability assessment.
• The description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely collected via 35 kHz sub-bottom profiling and sediment core sampling.

Time Range

Holocene epoch.

Freshness

Last updated 2026-04-10 22:10:48.645997; freshness should be verified.

Geography

Mertz Drift, George Vth continental shelf, East Antarctica.