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A 2019 compilation integrates nearly 1.4 million ground gravity stations, 345,000 line km of airborne gravity, and 106,000 line km of airborne gravity gradiometry data. The grid shows the first vertical derivative of de-trended global isostatic residual anomalies over Australia and its continental margins at a 0.00417-degree cell size. Data were processed by Geoscience Australia from observations dating from the 1940s to 2019, supplemented by global offshore data.
Available in WMS, WCS, APPLICATION/X-NETCDF, and HTML formats; specialized geospatial software may be required for analysis.