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Approximately 1.8 million gravity observations, including nearly 1.4 million ground stations and airborne surveys totaling 451,000 line km, were used to generate this grid. The data were compiled by Geoscience Australia and partners, integrating ground observations from the 1940s onward with offshore data from global sources. This 2019 compilation provides a half vertical derivative of complete Bouguer anomalies at a cell size of approximately 435 meters over Australia and its continental margins.
Primary file format is APPLICATION/X-NETCDF, which requires specific geospatial software or libraries to process.