Research from Geoscience Australia and partners published in the Journal of the Geological Society, London, describes the distribution of heat-producing elements in Antarctic rocks. Heat production values along a 275 km Prydz Bay transect ranged from 0.02 µW to 66 µW per cubic metre, derived from geochemical analysis of rock types. This data aims to improve predictions of ice sheet behavior and sea-level change by incorporating variable crustal heat flow into models.
Use Cases
- Improving ice sheet model predictions based on variable sub-glacial heat flow data.
- Analyzing regional ice stream flow dynamics based on elevated heat flow from 'hot rocks'.
- Mapping geothermal heat distribution in East Antarctica based on aeromagnetic and geochemical data.
- Assessing the impact of Cambrian-aged granites on local heat flow in southern Prydz Bay.
Strengths
- Heat production values are quantified, ranging from 0.02 µW to 66 µW per cubic metre.
- Data is based on a specific 275 km transect along the Prydz Bay coastline.
- Research is supported by multiple institutions including Geoscience Australia and the University of Melbourne.
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 Prydz Bay transect.
Provenance
- Source
- Geoscience Australia, Australian Antarctic Division, Antarctic Climate and Ecosystems Cooperative Research Centre, University of Melbourne, University of Texas.
- Collection Method
- Geochemical analysis of rock types along a transect, supported by aeromagnetic data.
- Freshness
- Last updated 2026-05-05 02:09:41.251762; freshness should be verified.
- Geography
- East Antarctica, specifically a 275 km transect from Vestfold Hills to Amery Ice Shelf along Prydz Bay.