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《Science of Surveying and Mapping》 2008-05
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Research on the method of local mountain plateau quasi-geoid accuracy

LI Hai-wen①,LUO Man-jian②,WU You-ping③,WANG Jia-bang③(①Department of Civil Engineering,Guangxi Polytechnic of Construction,Nanning 530003,China;②Bureau of Surveying and Mapping of Guangxi,Nanning 530023,China;③Department of Civil Engineering,Guilin University of Technology,Guilin 541004,China)  
In essence,local geoid refined can calculate geoid undulations changes precisely.Under normal circumstances,sufficient density of gravity data is used to calculate geoid gap or height anomaly according to gravity anomaly intensive.However,in the mountains of west,the gravity point plateau density is not enough to attain the geoid refinement.In this paper,it is confirmed that the implementation of the terrain and rock density data for local geoid refined is feasible theoretically.
【CateGory Index】: P223.0
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