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A High-Resolution Gravimetric Geoid Model for Kuwait Using the Least-Squares Collocation

Article scientifique 2022 Anglais

Résumé

A new gravimetric geoid model, the KW-FLGM2021, is developed for Kuwait in this study. This new geoid model is driven by a combination of the XGM2019e-combined global geopotential model (GGM), terrestrial gravity, and the SRTM 3 global digital elevation model with a spatial resolution of three arc seconds. The KW-FLGM2021 has been computed by using the technique of Least Squares Collocation (LSC) with Remove-Compute-Restore (RCR) procedure. To evaluate the external accuracy of the KW-FLGM2021 gravimetric geoid model, GPS/leveling data were used. As a result of this evaluation, the residual of geoid heights obtained from the KW-FLGM2021 geoid model is 2.2 cm. The KW-FLGM2021 is possible to be recommended as the first accurate geoid model for Kuwait.

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Al-Ajami, H., Zaki, A., Rabah, M., El-Ashquer, M. (2022). A High-Resolution Gravimetric Geoid Model for Kuwait Using the Least-Squares Collocation. https://doi.org/10.3389/feart.2021.753269

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Auteur(s)

Hamad Al-Ajami Ahmed Zaki Mostafa Rabah Mohamed El-Ashquer

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