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Nearly 1.8 million gravity observations, including 1.4 million ground stations and 451,000 line km of airborne data, were used to create this 2019 grid. Geoscience Australia processed and quality-checked the data, which combines ground, offshore, and airborne measurements collected from the 1940s to 2019. The resulting image shows de-trended global isostatic residual gravity anomalies across Australia and its continental margins at a cell size of approximately 435 meters.
Primary file format is NetCDF (APPLICATION/X-NETCDF), which may require specific geospatial libraries for analysis.