Gravity Digital Data
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This record describes digital data compilation product, where several individual items are grouped for delivery on single CD-ROM. Content and number of items included in the compilation package can vary, depending on size of the individual items. The contents of this CD-ROM are as follows: Catalog # Title 61074 West Arnhem Land, NT, Airborne Gravity Data Set 61045 Australian National Gravity Database 2004
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Geoscience Australia's National Gravity Database contains data from more than 1,000,000 point gravity observations on the Australian mainland. These data have been collected from 1,814 gravity surveys dating back to 1937. This repository of gravity information is a valuable national asset with importance to the mineral and petroleum exploration industries, geodesy and the international scientific community. This February 2002 release contains approximately 30,000 more stations than the 2001 release.
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GADDS runs the JetStream software package created by Intrepid Geophysics Pty Ltd. GADDS was implemented for web-data delivery of Geoscience Australia's land gravity and airborne survey datasets in both grid and (point/line) vector data formats. GADDS works on geodetic magnetic and gravity grids of continental Australia as well as individual survey magnetic, radiometric and elevation datasets. Gravity point data from Australia is extracted from an Oracle database. The GADDS front-end application was developed in-house at Geoscience Australia by Aaron Sedgmen.