Hawaiian Islands North-South Deflections (DEFLEC96)View Metadata As: Get Data, FAQ, HTML, 19139 XML
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Hawaiian Islands North-South Deflections (DEFLEC96)
This 2’ surface deflection of the vertical grid for the Principal Hawaiian Islands is the DEFLEC96 model. The computation used about 61,000 terrestrial and marine gravity data held in the National Geodetic Survey gravity data base in July 1996. These data were augmented by gravity data contributions from NGA (former National Imagery and Mapping Agency (former Defence Mapping Agency)). The deflections were obtained by numerical differentiation of cubic spline models along the meridians of the GEOID96 grid. The gravity values are based on the International Gravity Standardization Net 1971 (IGSN71). The deflections are referred to the Geodetic Reference System 1980 (GRS80) ellipsoidal normals. The curvature of the plumb line correction has been applied. We are particularly grateful to NGA (former National Imagery and Mapping Agency) for their assistance and their data contributions.

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http://www.ngdc.noaa.gov/mgg/fliers/se-0703.html
http://www.ngdc.noaa.gov/mgg/gravity/1999/document/html/tablegri.html
http://www.ngdc.noaa.gov/mgg/gravity/1999cd.html
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