472 sediment grain size samples and 304 biogenic silica samples provide insight into seabed habitats in East Antarctica. This compilation from the Australian Ocean Data Network incorporates data collected from the 1950s to 2012. Sedimentary properties are overlain on bathymetry maps to illustrate habitat variations within proposed Marine Protected Areas.
Use Cases
- Map benthic habitat types based on sediment grain size and composition data.
- Analyze relationships between geomorphic features and sediment properties across the Antarctic shelf and slope.
- Assess environmental variability within proposed Marine Protected Areas using sedimentary data.
- Model sediment depocenters for fine-grained biosiliceous material in deep troughs and channels.
- Identify areas of high carbonate content associated with hydrocoral occurrence at the shelf break.
Strengths
- Includes 472 quantitative grain size samples and an additional 192 Folk classification samples.
- Composition data covers 255 calcium carbonate samples and 304 biogenic silica samples.
- Data spans a long temporal range from the 1950s to 2012.
- Geographic coverage is defined as East Antarctic region (30-150°E) south of 60°S.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Last updated 2026-06-16 23:29:40.493184; freshness should be verified.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Compilation of data collected and analyzed from various sources.
- Time Range
- 1950s to 2012
- Geography
- East Antarctic region (30-150°E) south of 60°S