VMS: Underwater Still Images from the Mertz Glacier Region, 2011

The Marine Science voyage (VMS) collected underwater still images from 93 sites across the George V shelf in East Antarctica between 4 January and 6 February 2011. The Australian Antarctic Division (AAD) marine science support team operated a camera attached to CTD or beam trawl frames, positioned 4-5 meters from the seafloor at depths from 170 m to 2300 m. All images are stamped with UTC time and stations are named according to a specific deployment and instrument naming convention.

Use Cases

• Classifying benthic fauna and substrate types based on seafloor imagery.
• Analyzing species distribution across a depth gradient from 170 m to 2300 m.
• Studying the impact of glacial regions on local marine ecology using geotagged images.
• Temporal analysis of seafloor conditions using UTC timestamps on images.

Strengths

• Images were collected from 93 distinct sites, providing spatial coverage.
• Depth range is specified from 170 meters to 2300 meters.
• Each image is stamped with precise UTC time metadata.
• Deployment methodology is described, with camera held 4-5 m from seafloor for 2-15 minutes.

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/temporal bias inherent to the single 2011 voyage.

Provenance

Source

Australian Antarctic Division (AAD) marine science support team, via Geoscience Australia Data.

Collection Method

Camera attached to CTD or beam trawl frames lowered to the seafloor from the research vessel Aurora Australis.

Time Range

4 January 2011 to 6 February 2011

Freshness

Last updated 2026-04-30 14:12:47.250609; freshness should be verified.

Geography

George V shelf in East Antarctica, Mertz Glacier region.