GA2476: Seafloor Video and Images from Western Australian Margin, 2008-2009

44 video transects and 6,229 still photographs of the seafloor from water depths of 831 to 4,827 meters. The Western Margin survey (GA survey #2476) was conducted aboard the R.V. Sonne between October 2008 and January 2009 by the Australian Ocean Data Network in collaboration with the Western Australia Geological Survey and the University of the Sea. Data acquisition focused on poorly known areas of Australia's western continental margin for geological, geophysical, oceanographic, and biological research.

Use Cases

• Classifying deep-sea benthic habitats based on video transects and still imagery.
• Analyzing geological features of the continental margin mentioned in the survey description.
• Training computer vision models for automated seafloor feature detection using the image and video collection.
• Conducting biodiversity assessments of deep-water ecosystems from the visual records.

Strengths

• Contains 6,229 still photographs and 44 video transects, providing substantial visual data.
• Covers a significant depth range from 831 to 4,827 meters.
• Survey conducted over a defined period (25 October 2008 to 19 January 2009) with documented methodology.
• Files are systematically named according to station, gear code, and deployment number for traceability.

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 and temporal bias inherent to the single survey voyage.

Provenance

Source

Australian Ocean Data Network, likely sourced from Geoscience Australia.

Collection Method

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

Time Range

25 October 2008 to 19 January 2009

Freshness

Last updated 2026-06-27 17:19:14.500364; freshness should be verified.

Geography

Western Australian continental margin