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ETH-GQS:An estimation of geoid-to-quasigeoid separation over Ethiopia

Ephrem Y.Belay Walyeldeen Godah Malgorzata Szelachowska Robert Tenzer

大地测量与地球动力学（英文版）2022，Vol.13Issue(1)：31-37,7.

ETH-GQS:An estimation of geoid-to-quasigeoid separation over Ethiopia

Ephrem Y.Belay ¹Walyeldeen Godah ²Malgorzata Szelachowska ²Robert Tenzer³

作者信息

1. Ethiopian Space Science and Technology Institute Addis Ababa,Ethiopia
2. Centre of Geodesy and Geodynamics,Institute of Geodesy and Cartography (IGiK),Warsaw,Poland
3. Department of Land Surveying and Geo-Informatics,Hong Kong Polytechnic University,Hong Kong,China
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摘要

关键词

Geoid-to-quasigeoid separation/GNSS-Levelling/Ethiopian vertical control network/Orthometric and normal heights/Airborne gravity data

Key words

Geoid-to-quasigeoid separation/GNSS-Levelling/Ethiopian vertical control network/Orthometric and normal heights/Airborne gravity data

引用本文复制引用

Ephrem Y.Belay,Walyeldeen Godah,Malgorzata Szelachowska,Robert Tenzer..ETH-GQS:An estimation of geoid-to-quasigeoid separation over Ethiopia[J].大地测量与地球动力学（英文版）,2022,13(1):31-37,7.

基金项目

The 2nd and 3rd authors' works were conducted in the frame-work of the statutory project "Problems of Geodesy and Geo-dynamics" of the Institute of Geodesy and Cartography (IGiK),Warsaw,financially supported by the Polish Ministry of Science and Higher Education.Dr.Tenzer was supported by the Hong Kong GRF RGC project 15218819:"The modernization of height datum in the Hong Kong territories". （IGiK）

大地测量与地球动力学（英文版）

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ISSN：1674-9847

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