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Radiometric Grid of Australia (Radmap) v4 2019 filtered terrestrial dose rate

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Created 13/01/2025

Updated 13/01/2025

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The filtered terrestrial dose rate grid is a derivative of the 2019 radiometric or gamma-ray grid of Australia, made of a combination of over 600 individual survey grids. 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 are collected on airborne geophysical surveys conducted by Commonwealth, State and Northern Territory Governments and the private sector. 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 the unfiltered grid to generate the filtered terrestrial dose rate grid. The grid cell size is about 100m (0.001 degrees).

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Title Radiometric Grid of Australia (Radmap) v4 2019 filtered terrestrial dose rate
Language English
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/d359c37c-a455-4a1e-911f-1e8587eabd1a
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[112.7175, -43.7615], [153.6715, -43.7615], [153.6715, -9.0005], [112.7175, -9.0005], [112.7175, -43.7615]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Radiometric Grid of Australia (Radmap) v4 2019 filtered terrestrial dose rate". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/radiometric-grid-of-australia-radmap-v4-2019-filtered-terrestrial-dose-rate

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