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A Preliminary Investigation of the NGS’s Geoid Monitoring Service (GeMS)
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2019
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[PDF-10.35 MB]
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Description:The NGS is modernizing the National Spatial Reference System (NSRS) with new reference frames and a geopotential datum in 2022. The modernized geopotential datum will be known as the North AmericanPacific Geopotential Datum of 2022 (NAPGD2022). This datum will incorporate static and dynamic components to define—as accurately as possible—the nation’s elevations and other geopotential related quantities, such as the geoid undulation, acceleration of gravity, geopotential number, and deflection of the vertical. NGS is pioneering this type of science as it relates to regional reference frames and datums in alignment with NOAA’s Mission of Science, Service, and Stewardship.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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