Seafloor Morphology and Acoustic Facies of the George V Land Shelf, East Antarctica

Over 2000 kilometres of high-frequency echo-sounder data collected between February and March 2000 on the George V land shelf in East Antarctica. The dataset from Geoscience Australia describes seafloor morphology and acoustic facies, which are explained in terms of glacial and oceanographic influences since the Last Glacial Maximum.

Use Cases

• Classifying seafloor acoustic facies based on echo-sounder data mentioned in the description
• Modeling glacial retreat and sediment deposition patterns on the Antarctic shelf since the Last Glacial Maximum
• Analyzing the relationship between oceanographic currents and seafloor morphology from the collected data

Strengths

• Over 2000 kilometres of high-frequency echo-sounder data provides substantial spatial coverage
• Data collection is temporally focused, spanning February and March 2000
• Interpretation links acoustic facies to specific glacial and oceanographic influences

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 the single survey location

Provenance

Source

Geoscience Australia Data

Collection Method

High-frequency echo-sounder data collection

Time Range

February-March 2000

Freshness

Last updated 2026-05-14 09:18:40.904840; freshness should be verified

Geography

George V land shelf, East Antarctica