QUASIGEOID

作品数：2被引量：2H指数：1
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Review of the Research Progress on Static Earth Gravity Field and Vertical Datum in China during 2019—2023被引量：2
《Journal of Geodesy and Geoinformation Science》2023年第3期76-86,共11页Tao JIANG Xinyu XU Yonghai CHU Taoyong JIN Wei LIANG Yihao WU Yanguang FU Yongqi ZHAO Xinwei GUO 
National Key R&D Program of China(Nos.2021YFB3900200,2021YFB3900203)。
The contribution presents the representative research progress on global static gravity field modeling,regional geoid/quasigeoid determination,vertical datum study,as well as the theory,algorithm and software for grav...
关键词：Earth gravity field GEOID International Height Reference System QUASIGEOID vertical datum 
ETH-GQS: An estimation of geoid-to-quasigeoid separation over Ethiopia
《Geodesy and Geodynamics》2022年第1期31-37,共7页Ephrem Y.Belay Walyeldeen Godah Malgorzata Szelachowska Robert Tenzer 
conducted in the framework of the statutory project “Problems of Geodesy and Geodynamics” of the Institute of Geodesy and Cartography (IGiK), Warsaw, financially supported by the Polish Ministry of Science and Higher Education;supported by the Hong Kong GRF RGC project 15218819: “The modernization of height datum in the Hong Kong territories”
The determination of accurate orthometric or normal heights remains one of the main challenges for the geodetic community in Ethiopia.These heights are required for geodetic and geodynamic scientific research as well ...
关键词：Geoid-to-quasigeoid separation GNSS-Levelling Ethiopian vertical control network Orthometric and normal heights Airborne gravity data 
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