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MRTAS SW Tasmania doserate 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 MRTAS SW Tasmania doserate grid geodetic has a cell size of 0.00042 degrees (approximately 40m) and shows the terrestrial dose rate of the South West Tasmania, Tas, 2001 (WTRMP Area D). The data used to produce this grid was acquired in 2000 by the TAS Government, and consisted of 13701 line-kilometres of data at 200m line spacing and 80m terrain clearance.

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Title MRTAS SW Tasmania doserate grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/9c6f2d68-e89e-4d4b-814b-f9e514f41ef5
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 13/12/2000 - 01/01/2001
Geospatial Coverage {"type": "Polygon", "coordinates": [[[145.0964, -43.0761], [145.7565, -43.0761], [145.7565, -42.0402], [145.0964, -42.0402], [145.0964, -43.0761]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "MRTAS SW Tasmania doserate grid geodetic". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/mrtas-sw-tasmania-doserate-grid-geodetic

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