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Nearly 1.4 million gravity stations from the Australian National Gravity Database and offshore sources were used to create this continental-scale grid. The grid, with a cell size of approximately 435 meters, shows the first vertical derivative of de-trended global isostatic residual anomalies. Geoscience Australia processed and quality-checked the data, which incorporates ground observations collected from the 1940s to 2019.
Data is provided in geospatial service formats (WMS, WCS, NetCDF), which may require specific GIS or scientific software to use.