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GSWA South Yilgarn dose rate grid geodetic

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Created 20/01/2025

Updated 20/01/2025

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The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive decay of potassium (K), uranium (U) and thorium (Th). The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. The terrestrial dose rate grid is derived as a linear combination of the filtered K, U and Th grids. A low pass filter is applied to this grid to generate the filtered terrestrial dose rate grid. This GSWA South Yilgarn dose rate grid geodetic has a cell size of 0.00083 degrees (approximately 85m) and shows the terrestrial dose rate of the South Yilgarn merge, 1987-2005. The data used to produce this grid was acquired in 1987 by the WA Government, and consisted of 392575 line-kilometres of data at a line spacing between 100m and 400m, and 60m terrain clearance.

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Title GSWA South Yilgarn dose rate grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/3f1c546b-b123-4413-b156-95b46d7cca4b
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 01/07/1987 - 25/04/2005
Geospatial Coverage {"type": "Polygon", "coordinates": [[[117.5966, -34.7794], [121.634, -34.7794], [121.634, -29.9779], [117.5966, -29.9779], [117.5966, -34.7794]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "GSWA South Yilgarn dose rate grid geodetic". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/gswa-south-yilgarn-dose-rate-grid-geodetic