Voyage Marine Science: Underwater Still Images from the Mertz Glacier Region

93 sites of underwater still images collected from the George V shelf in East Antarctica between January and February 2011. The Australian Antarctic Division marine science support team operated the camera equipment, which was attached to oceanographic frames and lowered to 4-5 meters from the seafloor. Images were collected at depths from 170 m to 2300 m and stamped with UTC time.

Use Cases

• Classifying benthic fauna and seafloor composition based on the still images from 93 sites.
• Analyzing spatial distribution of marine life across a depth gradient from 170 m to 2300 m.
• Correlating image data with oceanographic measurements from the CLIVAR SR3 Transect mentioned in the description.
• Developing image recognition models for underwater Antarctic environments.

Strengths

• Images from 93 distinct sites provide spatial coverage across the George V shelf.
• Depth range of 170 m to 2300 m captures diverse benthic zones.
• Precise temporal logging with UTC timestamps for each image.
• Clear deployment naming convention (e.g., BT5_CAM16) links images to specific equipment and operations.

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 specific 2011 voyage.

Provenance

Source

Australian Ocean Data Network, Australian Antarctic Division

Collection Method

Camera attached to CTD or beam trawl frames, lowered to 4-5 m from seafloor and held for 2-15 minutes.

Time Range

4 January 2011 to 6 February 2011

Freshness

Last updated 2026-04-10 21:56:38.033396; freshness should be verified.

Geography

Mertz Glacier Region, George V shelf, East Antarctica