Eight sediment cores from Vincennes Bay and 19 from Prydz Bay were collected during the 1996/97 Antarctic season to study ice sheet retreat. About 200 km of seismic data from Vincennes Bay and 900 km from Prydz Bay reveal glacial erosion patterns and moraine structures. This post-cruise report summarizes preliminary results from the AGSO/ANARE marine geoscience program in East Antarctica.
Use Cases
- Reconstructing the timing of ice sheet retreat since the Last Glacial Maximum based on core and seismic data from shelf basins.
- Analyzing Holocene paleoenvironmental records by correlating diatom and organic carbon data from cores with ice core records.
- Modeling sedimentary facies and processes using gravity core samples and sidescan sonar records from Prydz Channel.
- Supporting site survey planning for Ocean Drilling Program (ODP) proposals with seismic data from the Prydz Bay trough mouth fan.
Strengths
- Includes a traceable 'interstadial' sediment unit mapped across more than 15,000 km² of the Prydz Channel.
- Seismic data coverage includes approximately 200 km in Vincennes Bay and 900 km in Prydz Bay.
- Core sampling targeted specific glacial features, including a deep glacial trough with water depths up to 1,850 meters.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Primary data files are in PDF and HTML report formats, which may require extraction for analysis.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Marine geophysical survey and sediment sampling program during AGSO Cruise 186 / ANARE Voyage 5.
- Time Range
- 1996-1997 Antarctic season
- Freshness
- Last updated 2026-04-30 14:49:22.871635; freshness should be verified.
- Geography
- Vincennes Bay, Prydz Bay, Mac.Robertson Shelf, and Heard Island in East Antarctica and the Kerguelen Plateau.