GA0357 Davis Survey: Seabed Video Imagery from East Antarctica

Seabed imagery was collected at 25 sites off Davis station, East Antarctica during survey GA0357 from January to February 2017. The survey was conducted in shallow waters (<300 m depth) from the RV Howard Burton as part of Australian Antarctic Program Project 5093. Video data was captured using a downward-facing camera system lowered to 0.5-1 m from the seabed for 5-minute deployments.

Use Cases

• Analyze benthic community composition based on video footage of the seabed.
• Map seafloor habitat types based on visual characteristics captured in the imagery.
• Study the distribution of marine organisms relative to station locations and depths.
• Validate acoustic or sonar survey data with direct visual observations from the camera.

Strengths

• Data covers 25 distinct sampling sites in East Antarctica.
• Video footage includes descent and ascent in the water column, providing context.
• Each file is named systematically with survey, camera, station, and deployment identifiers.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified; last metadata update was 2026-06-04.

Provenance

Source

Australian Ocean Data Network via Geoscience Australia.

Collection Method

Collected using a downward-facing video camera system mounted on a sediment grab or sound velocity profiler and lowered from the RV Howard Burton.

Time Range

January to February 2017.

Freshness

Data collected January-February 2017; metadata last updated 2026-06-04.

Geography

25 sites off Davis station, East Antarctica, in shallow waters (<300 m depth).