Geochemical analysis of rock samples from a 275 km transect along the Prydz Bay coastline in Antarctica provides heat production values. The data, published by researchers from Geoscience Australia and other institutions, ranges from 0.02 µW per cubic metre to almost 66 µW per cubic metre for different rock types. This information is intended to improve ice sheet models by accounting for sub-glacial geothermal heat variability.
Use Cases
- Improving ice sheet model predictions based on regional heat flow variability.
- Mapping the distribution of 'hot rocks' (Cambrian-aged granites) under the Antarctic ice sheet.
- Analyzing the correlation between sub-glacial geology and ice stream flow potential.
- Incorporating geothermal heat data into sea-level rise projections.
Strengths
- Heat production values are provided for individual rock types along a specific 275 km transect.
- Data includes a measured range from 0.02 µW/m³ to 66 µW/m³, illustrating significant variability.
- Research is associated with Geoscience Australia and published in the Journal of the Geological Society.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- The dataset description focuses on a specific region (Prydz Bay); applicability to broader East Antarctica is uncertain.
Provenance
- Source
- Australian Ocean Data Network via data_gov_au.
- Collection Method
- Geochemical analysis of rock samples collected along a coastal transect.
- Freshness
- Last updated 2026-04-16 13:55:49.206619; freshness should be verified.
- Geography
- Prydz Bay coastline, Antarctica, from Vestfold Hills to Amery Ice Shelf.