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Year 2019
 
Vol 60, Issue 4, [08 - 2019]

Quasigeoid determination for Vietnamese area based on the GOCE satellite geopotential model, EGM2008 and GPS - levelling data

https://tapchi.humg.edu.vn/en/archives?article=1027

  • Affiliations:

    1 Phòng Trắc địa - Địa hình, Cục Bản đồ, Bộ tổng tham mưu, Việt Nam;
    2 Khoa Trắc địa Bản đồ, Trường Đại học Tài nguyên và Môi trường Hà Nội, Việt Nam

  • *Corresponding:
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  • Received: 4th-June-2019
  • Revised: 10th-Aug-2019
  • Accepted: 30th-Aug-2019
  • Online: 30th-Aug-2019
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Abstract:

According to current research trends in the world, the construction and improvement of the vertical datum system must be based on geoid/quasigeoid surface with high accuracy, thereby building a foundation to apply GNSS high measurement technology. The paper presents research and evaluation of accuracy of global gravity models from GOCE and EGM2008 satellite data. Since then, combining the lowharmonic function coefficients of the GOCE satellite gravitational model with the higher order of EGM2008 model as well as GPS - TC data of 155 the points of state grade I, which has built for the Vietnam region and surrounding areas quasigeoid model with an accuracy of ± 8.2 cm.

How to Cite
Vu, C.Hong and Ngo, T.Men Thi 2019. Quasigeoid determination for Vietnamese area based on the GOCE satellite geopotential model, EGM2008 and GPS - levelling data (in Vietnamese). Journal of Mining and Earth Sciences. 60, 4 (Aug, 2019).

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