Geoscience Australia and the Australian Ocean Data Network provide a regional synthesis of inter-reefal seabed environments in the Great Barrier Reef Marine Park. The dataset integrates over 3,000 sediment samples from the MARS database with geomorphic feature data, offering the first such synthesis since the 1980s. It reveals regional trends and local-scale characteristics in sediment distribution, including gravel, sand, and mud concentrations across the shelf.
Use Cases
- Characterizing seabed habitats for marine park management based on the synthesis of sediment and geomorphic data.
- Modeling sediment facies distribution on a mixed carbonate-siliciclastic margin based on regional trends and local patches.
- Analyzing the influence of reef talus aprons and tidal currents based on patterns of high gravel concentration.
- Studying hydrodynamic irregularities in inter-reef channels based on the patchy distribution of sand sediments.
Strengths
- Integrates over 3,000 physical sediment samples, substantially improving data coverage for inter reefal areas.
- Provides the first regional synthesis of surface sedimentology and geomorphology for the GBR since pioneering work in the 1980s.
- Reveals previously unidentified distribution patterns of sediments at both regional and local scales.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- File formats are listed as HTML and PDF, which may require extraction or conversion for spatial analysis.
Provenance
- Source
- Geoscience Australia's MARS database and Geomorphic Features dataset.
- Collection Method
- Spatial analysis and synthesis of existing sample and feature data.
- Time Range
- null
- Freshness
- Last updated 2026-06-27 17:31:35.894916; freshness should be verified
- Geography
- Great Barrier Reef Marine Park, specifically inter-reefal (non-reefal) areas.