Bathymetric Survey of Southeast Tasmanian Shelf Reefs

A 2008-2009 multibeam sonar survey at 3-4 meter resolution maps the bathymetry of the southeast Tasmanian shelf. The data highlights rock reef habitats, including low-relief reefs under 5 meters and high-relief reefs up to 90 meters. The survey was a collaboration between Geoscience Australia and the University of Tasmania's Institute for Marine & Antarctic Studies.

Use Cases

• Classify benthic habitat types (e.g., kelp gardens, sponge communities) using bathymetric relief and location data.
• Analyze the relationship between reef geomorphology (low-relief vs. high-relief) and associated biological communities.
• Map the spatial distribution of hard substrate reefs around features like Freycinet Peninsula and Hippolyte Rocks.
• Model seafloor terrain for the southeast Tasmanian shelf using the 3-4 m resolution gridded bathymetry.

Strengths

• Bathymetric data gridded at high 3-4 meter resolution.
• Survey covers multiple distinct reef systems (e.g., Freycinet Peninsula, Hippolyte Rocks, The Friars).
• Data collection used a 300 kHz Simrad EM3002 multibeam sonar system.

Limitations

• Sample data and specific row/column counts are unavailable for analysis.
• Primary data formats are video and HTML, not directly machine-readable for standard ML workflows.
• Data is from a specific 2008-2009 survey period, limiting temporal analysis.

Provenance

Source

Australian Ocean Data Network, from a collaboration between Geoscience Australia and the University of Tasmania.

Collection Method

Multibeam sonar collected using a 300 kHz Simrad EM3002 system on RV Challenger.

Time Range

2008-2009

Freshness

null

Geography

Southeast Tasmanian shelf, including Freycinet Peninsula, Tasman Peninsula, Hippolyte Rocks, and The Friars south of Bruny Island.