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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. The Australian Commonwealth, State, Territory Governments, industry, and research organizations collected the data from the 1940s onward. It shows the first vertical derivative of de-trended global isostatic residual anomalies over Australia and its continental margins.
Data is provided in geospatial formats (WMS, WCS, NetCDF) requiring compatible GIS or geophysical software for analysis.