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The Development of the Joint NASA GSFC and the National Imagery and Mapping Agency (NIMA) Geopotential Model EGM96
The NASA Goddard Space Flight Center (GSFC), the National Imagery and Mapping Agency (NIMA), and The Ohio State University (OSU) have collaborated to develop an improved spherical harmonic model ofExpand
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Closed Covariance Expressions for Gravity Anomalies, Geoid Undulations, and Deflections of the Vertical Implied by Anomaly Degree Variance Models.
Abstract : A new anomaly degree variance model is developed by considering potential coefficient information to degree 20, and updated values of the point anomaly variance, the 1 degree blockExpand
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The Development of the NASA GSFC and NIMA Joint Geopotential Model
The NASA Goddard Space Flight Center, the National Imagery and Mapping Agency (NIMA; formerly the Defense Mapping Agency or DMA) and The Ohio State University have collaborated to produce EGM96, anExpand
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The Ohio State 1991 geopotential and sea surface topography harmonic coefficient models
The computation is described of a geopotential model to deg 360, a sea surface topography model to deg 10/15, and adjusted Geosat orbits for the first year of the exact repeat mission (ERM). ThisExpand
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Use of potential coefficient models for geoid undulation determinations using a spherical harmonic representation of the height anomaly/geoid undulation difference
Abstract This paper suggests that potential coefficient models of the Earth's gravitational potential be used to calculate height anomalies which are then reduced to geoid undulations where suchExpand
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Comparisons of global topographic/isostatic models to the Earth's observed gravity field
The Earth's gravitational potential, as described by a spherical harmonic expansion to degree 180, was compared to the potential implied by the topography and its isostatic compensation using fiveExpand
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The development and analysis of geopotential coefficient models to spherical harmonic degree 360
The GEM-T2 potential coefficient model (incomplete to degree 50) has been combined, in a least squares sense, with 30 arc min mean anomalies, to obtain an adjusted set of coefficients and gravityExpand
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The Earth's Gravity Field to Degree and Order 180 Using Seasat Altimeter Data, Terrestrial Gravity Data and Other Data,
Abstract : The spherical harmonic expansion of the earth's gravitational field has been obtained to degree 180 by combining several sources of data. The first data set was an a priori set ofExpand
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The development of an isostatic gravitational model to degree 360 and its use in global gravity modelling
SUMMARY The determination of high-degree geopotential models currently requires accurate terrestrial gravity information on a global basis. For the regions where such information is unavailable orExpand
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Geometric Geodesy Part I
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