AGSO Cruise 149 Report on Antarctic Sediments and Climate History, 1995

February-April 1995 cruise data from Prydz Bay and the Kerguelen Plateau, collected by the Australian Geological Survey Organisation (AGSO) aboard the R.V. Aurora Australis. The report details aims and methods for studying modern sedimentary processes and Plio-Pleistocene environmental history to understand Antarctic ice sheet and Southern Ocean circulation changes. It targets three geographical features: trough-mouth fan deposits, sediment traps on the MacRobertson Shelf, and depositional basins on the Kerguelen Plateau.

Use Cases

• Modeling past Antarctic ice sheet fluctuations based on sedimentary records from Prydz Bay.
• Analyzing Southern Ocean polar front variations based on sediment sequences from the Kerguelen Plateau.
• Studying Plio-Pleistocene environmental history based on sediment samples from the Antarctic margin.
• Investigating modern sedimentary processes on the MacRobertson Shelf based on sediment trap data.

Strengths

• Report details a targeted marine geoscience program with specific goals for three time intervals: 0-10,000 years, 0-160,000 years, and 0-5,000,000 years.
• Focuses on three distinct geographical features: trough-mouth fan deposits, shelf-basin sediment traps, and plateau depositional basins.
• Aims to provide key guidelines for climatic modeling by studying the behavior of the East Antarctic Ice Sheet.

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, focusing solely on specific Antarctic regions.

Provenance

Source

Australian Ocean Data Network

Collection Method

Marine geoscience cruise program employing sediment sampling and analysis.

Time Range

February-April 1995 (cruise period); data aims to cover time intervals up to 5 million years.

Freshness

Last updated 2026-04-16 16:30:42.526857; freshness should be verified.

Geography

Prydz Bay, MacRobertson Shelf, and Kerguelen Plateau in the Antarctic/Southern Ocean region.