Titlebook: Global Gravity Field and Its Temporal Variations; Symposium No. 116 Bo Richard H. Rapp,Anny A. Cazenave,R. Steven Nerem Conference proceedi

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Marine Gravity from Satellite Altimetry over Ocean and Sea Ice,vering the details in the gravity field over all the ocean basins. However because of insufficient track density, it has taken 16 years for the full potential of the satellite altimeter method to be realized. The high density coverage obtained by ERS-1 during its geodetic mapping phase (4/94–3/95) p

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The Use of GPS Data for Global Gravity Field Determination,contains valuable information for both precise orbit determination (POD) and gravity model improvement. The GPS experiment on TOPEX/POSEIDON (T/P) presents the first opportunity to use GPS data for POD (Bertiger et al., 1994; Schutz et al., 1994) and global gravity field development.

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Accuracy Estimates of Geopotential Models and Global Geoids,thout hypothesis regarding the geoid or the internal mass distribution of the Earth. The testing accuracy is limited only by the observational errors at the testing sites. Therefore, the GMT method requires that the geocentric positions and normal heights at the testing sites be determined as accura

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The 1995 GFZ High Resolution Gravity Model, of a spherical harmonic series was computed. The model is based on new data sets, which were collected during the last months. This new data promises a major step towards a more precise high resolution gravity model. Especially from new available data over CIS (Community of Independent States) majo

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The Altimetry Derived Gravity Anomalies to be Used in Computing the Joint DMA/NASA Earth Gravity Mo used in such model development. One of the major data sets is a satellite altimetry derived 30’ mean gravity anomaly file. An altimetry working group including members from DMA, NASA, and Ohio State University made decisions on sources, data preparation, algorithms, and evaluation of this altimetry