A marine survey dataset from the northern Lord Howe Rise and Gifford Guyot in the southern Pacific Ocean, spanning depths of 250 to 2,200 meters. The dataset includes 42 towed-video stations yielding 32 hours of seabed video, 6,229 photographs, and 3,413 seabed characterizations of physical and biological variables, plus sediment and biological samples from 36 stations. It was aggregated by the Australian Ocean Data Network and last updated in June 2026.
Use Cases
- Modeling benthic assemblage composition based on substratum type and depth correlations mentioned in the description.
- Training classifiers to identify seabed characterizations from the 3,413 physical and biological variable records.
- Analyzing the relationship between geomorphic classifications from multibeam surveys and observed biological communities.
- Studying the distribution of suspension-feeding invertebrates like cold-water corals and sponges across soft-sediment and rocky outcrop environments.
Strengths
- Includes 3,413 seabed characterizations derived from 32 hours of video and 6,229 photographs.
- Covers a significant depth gradient from 250 to 2,200 meters across two adjacent study areas.
- Combines multiple data modalities: video, photographs, sediment samples, and biological samples.
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 bias inherent to the specific study areas on the Lord Howe Rise.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Multibeam acoustic surveys, towed-video stations, and physical sampling.
- Time Range
- null
- Freshness
- Last updated 2026-06-23 05:00:49.342258; freshness should be verified.
- Geography
- Western flank of Lord Howe Rise and Gifford Guyot in the southern Pacific Ocean.