Lord Howe Island Shelf Bathymetry and Habitat Flythrough Video

A flythrough movie visualizes the bathymetry of the shelf surrounding Lord Howe Island, derived from merged grids incorporating multibeam sonar collected in 2008, legacy sonar data, and satellite-derived bathymetry. The bathymetric image highlights features like a drowned reef encircling the island and sediment-covered basins. The dataset is a study site for the Marine Biodiversity Research Hub, funded by the Commonwealth Environment Research Facilities programme.

Use Cases

• Visualizing seabed topography based on the flythrough movie showing bathymetry.
• Analyzing drowned reef structures based on the key feature described encircling the island.
• Mapping sediment-covered basins based on the description of intervening areas.
• Studying seabed habitats and biota based on examples included in the video.

Strengths

• Bathymetric image derived from merged grids at 8 m and 40 m resolution.
• Incorporates multibeam sonar data collected in 2008 using a specific Simrad EM300 system.
• Integrates legacy sonar data and satellite-derived bathymetry for comprehensive coverage.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Australian Ocean Data Network

Collection Method

Merged grids incorporating multibeam sonar, legacy sonar data, and satellite-derived bathymetry.

Time Range

Multibeam sonar data collected in 2008.

Freshness

Last updated 2026-05-05 02:33:10.904972; freshness should be verified.

Geography

Shelf surrounding Lord Howe Island, NSW.