From Geoscience Australia
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Climatic corrections to Australian heat-flow data

Created 16/10/2025

Updated 16/10/2025

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Surface heating subsequent to Pleistocene glaciation in Australia has resulted in a decrease in near-surface thermal gradients. Heat flow in shallow holes therefore appears to increase with the depths of determination. Some data obtained at depths less than 300 m may require positive corrections up to 25 percent, depending on the rate of glacier retreat and the amount of warming. Climatic models formulated for periglacial regions have been generalised for regional use. Surface temperatures are assumed to have increased by 5°C at 15 000 BP. The primary features of this model have been confirmed, using data previously published for deep holes remote from regions of glaciation near Kalgoorlie and Broken Hill.

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Additional Info

Field Value
Title Climatic corrections to Australian heat-flow data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/63694dc4-fea6-41d7-9ffc-f0dba548ace3
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        110.0,
        -44.0
      ],
      [
        156.0,
        -44.0
      ],
      [
        156.0,
        -9.0
      ],
      [
        110.0,
        -9.0
      ],
      [
        110.0,
        -44.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Climatic corrections to Australian heat-flow data". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/climatic-corrections-to-australian-heat-flow-data