Geoscience Australia applied a new genetic classification system to map the Perth submarine canyon. The dataset likely contains geomorphic features derived from 20-meter resolution bathymetry and acoustic backscatter data collected in 2015, plus sub-bottom data and sediment samples from 2005. The work was presented at the 2017 American Geophysical Union Fall Meeting.
Use Cases
- Classifying seafloor geomorphic features based on the genetic classification approach described.
- Mapping benthic habitat potential based on spatial patterns of seabed morphology.
- Analyzing submarine canyon form and process variation based on topographic metrics and shelf-incising status.
- Applying semi-automated geomorphic mapping techniques to high-resolution marine geophysical data.
Strengths
- Derived from 20-meter resolution bathymetry data, providing detailed spatial information.
- Integrates multiple data sources including acoustic backscatter, sub-bottom profiles, and sediment samples.
- Covers an area greater than 1500 km² within a recognized Marine Protected Area.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Freshness should be verified; the underlying data collection dates are 2005 and 2015.
Provenance
- Source
- Geoscience Australia and Schmidt Ocean Institute
- Collection Method
- Application of a genetic classification system to high-resolution marine geophysical data.
- Time Range
- Data acquisition in 2005 and 2015.
- Geography
- Perth submarine canyon, southwest Australia, from 170 m to 4700 m water depth.