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Measurements of anomalies in the Earth's gravity and magnetic fields are useful and cost-effective tools for many geologic investigations. Significant amounts of these data are traditionally in the public domain, but a readily available database, updated standards, and supplementary materials were needed. In addition a new magnetic database for North America was released in 2002. Thus, the group helped lead a cooperative effort between government agencies, industry, and universities to compile an upgraded digital gravity anomaly database, grid, and map for the conterminous United States. The primary goal of upgrading the U.S. gravity database and the associated tools is to support societal and scientific investigations of national importance.

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Format:PDFSize:1,741 KB
Date:Jan 2008
Pages:3

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