الفهرس 
Assessment goce models in Egypt
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Abstract
This thesis attempts to answer the question: What is the accuracy of GOCE satellite-only global geopotential models in Egypt? The answer of this question is included in two steps: First, the four generations of GOCE models are assessed by using GPS/levelling stations, ground gravity anomalies stations and the geoid model for Egypt (EGGM08). Secondly, the best GGM model in the previous assessment is used to create a local gravimetric geoid. It can be concluded that, the accuracy of GOCE models in Egypt about 0.40 m for geoid undulation and 12.59 mgal for gravity anomalies