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Nearly 1.4 million gravity stations from the Australian National Gravity Database, supplemented with offshore data, were used to generate this 2019 grid. The image shows the first vertical derivative of the complete Bouguer anomalies over Australia and its continental margins, derived from a grid with a cell size of approximately 435 meters. Ground gravity data was acquired by government, industry, and research organizations from the 1940s to the present day.
Data is provided in NetCDF format, requiring specific geospatial software for analysis.