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- W1550262700 abstract "The error analysis of the geoid models being used in Korea is performed using GPS/Leveling method. The analysis also includes the height error with respect to the number of fixed point in network adjustment showing that at least 3 points should be fixed in network adjustment to achieve the height accuracy of 3cm in area of 20Km 20Km. By comparing the GPS/Leveling results with respect to EGM96, KGEOID98, OSU91A geoid models, the KGEOID98 shows the best fit in the capital and Honam area with RMSE of 0.093m and 0.127m, respectively. On the other hand, EGM96 shows the best fit in the middle and Kyunsang area, but OSU91A shows best correspondence for Kangwon area. For whole five study area, KGEOID98 model shows the best fit with RMSE of 0.561m. The study shows the trend of Korean geoid which shows rather uniform interval and directionality for the capital, middle and Honam area. Youngnam and Kangwon area, however, shows significantly rapid changes in geoidal height. Therefore, it is strongly recommended to establish more supplementary bench marks in the east coast to develop better geoid model. Furthermore, it is necessary to link the land and ocean gravity data for better consistency of the model." @default.
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- W1550262700 date "2005-01-01" @default.
- W1550262700 modified "2023-09-24" @default.
- W1550262700 title "Analysis of Regional Geoid Height by GPS/Leveling" @default.
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