Expedition Highlights from the 2024 East Antarctic Ice Shelf Voyage

A 2024 international marine expedition aboard the RV Polarstern investigated ocean-ice sheet interactions along the East Antarctic margin. The dataset presents voyage highlights from the EASI-3 expedition, including scientific exploration, seabed mapping, and wildlife observations. It was contributed by Geoscience Australia's Antarctic Geoscience program and published by the Australian Ocean Data Network.

Use Cases

• Analyze seabed mapping and sonar data to model sub-ice shelf bathymetry and ocean circulation.
• Correlate sediment sampling data with sonar observations to study historical ice sheet retreat.
• Use expedition photography and video to document wildlife presence and ship operations for public engagement.
• Map the spatial track of the RV Polarstern voyage against the Shackleton Ice Shelf coastline.

Strengths

• Data originates from a dedicated 2024 international research expedition (EASI-3) aboard a major research vessel.
• Content covers multiple data modalities including mapping, sampling, sonar, and visual documentation from a specific Antarctic region.

Limitations

• The primary format is an HTML presentation, limiting structured, machine-readable data for quantitative analysis.
• Specific sample sizes, row counts, and measurement details for scientific instruments are not provided.

Provenance

Source

Australian Ocean Data Network, from Geoscience Australia's Antarctic Geoscience program.

Collection Method

Data collected during the EASI-3 marine expedition aboard the RV Polarstern from February to April 2024.

Time Range

Expedition conducted from February to April 2024.

Freshness

Last updated record indicates 2026, suggesting ongoing maintenance.

Geography

East Antarctic margin, specifically the Shackleton Ice Shelf along Australia's Antarctic Territory coast.