GA2476: 44 Video Transects and 6,229 Seafloor Images from Western Australia

Between 25 October 2008 and 19 January 2009, the R.V. Sonne conducted survey GA2476 along Australia's western continental margin. The voyage, part of the Offshore Energy Security Program, collected geological, geophysical, oceanographic, and biological data, resulting in 44 video transects and 6,229 still photographs from depths of 831-4,827 meters. Data was managed by the Australian Ocean Data Network, with detailed reports available as GA Record 2009/38 and 2009/26.

Use Cases

• Classifying deep-sea benthic habitats based on video transects and still imagery.
• Analyzing geological features and substrate composition from seafloor photographs.
• Training computer vision models for automated detection of marine fauna in video snippets.
• Correlating biological observations with oceanographic data collected during the survey.

Strengths

• Contains 44 specific video transects and 6,229 still photographs.
• Covers a significant depth range from 831 to 4,827 meters.
• Data is associated with formal survey reports (GA Record 2009/38 and 2009/26).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data may reflect geographic and temporal bias inherent to the specific 2008-2009 survey voyage.

Provenance

Source

Australian Ocean Data Network

Collection Method

Acquired via ship-based survey using OFOS camera for stills/video and BODO grab for black-and-white video.

Time Range

25 October 2008 to 19 January 2009

Freshness

Last updated 2026-04-10 19:33:23.442316; freshness should be verified.

Geography

Western Australian continental margin