Marine Gravity Anomaly From Satellite Altimetry: Interpolation and Matching Navigation

Mao, Ning; Li, An; Xu, Jiangning; Qin, Fangjun; Wu, Miao; He, Hongyang; Li, Jingshu

doi:10.1109/tgrs.2023.3317395

IEEE Trans. Geosci. Remote Sensing

2023

DOI: 10.1109/tgrs.2023.3317395

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Marine Gravity Anomaly From Satellite Altimetry: Interpolation and Matching Navigation

Ning Mao,

An Li,

Jiangning Xu

et al.

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Cited by 3 publications

References 60 publications

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Adaptive Gravity-Aided Inertial Navigation Based on Characteristic Analysis of Marine Gravity Anomaly From Satellite Altimetry

Mao,

Li,

et al. 2024

IEEE Trans. Geosci. Remote Sensing

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Adaptive Gravity-Aided Inertial Navigation Based on Characteristic Analysis of Marine Gravity Anomaly From Satellite Altimetry

Mao,

Li,

et al. 2024

IEEE Trans. Geosci. Remote Sensing

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A Novel Eötvös Correction Method Based on Passive Velocity Compensated INS

Xiong,

Wu,

Liu

et al. 2025

IEEE Trans. Instrum. Meas.

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Analysis of the Influence of Different Reference Models on Recovering Gravity Anomalies from Satellite Altimetry

Han,

Qin,

Wei

et al. 2024

Remote Sensing

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A satellite altimetry mission can measure high-precision sea surface height (SSH) to recover a marine gravity field. The reference gravity field model plays an important role in this recovery. In this paper, reference gravity field models with different degrees are used to analyze their effects on the accuracy of recovering gravity anomalies using the inverse Vening Meinesz (IVM) method. We evaluate the specific performance of different reference gravity field models using CryoSat-2 and HY-2A under different marine bathymetry conditions. For the assessments using 1-mGal-accuracy shipborne gravity anomalies and the DTU17 model based on the inverse Stokes principle, the results show that CryoSat-2 and HY-2A using XGM2019e_2159 obtains the highest inversion accuracy when marine bathymetry is less than 2000 m. Compared with the EGM2008 model, the accuracy of CryoSat-2 and HY-2A is improved by 0.6747 mGal and 0.6165 mGal, respectively. A weighted fusion method that incorporates multiple reference models is proposed to improve the accuracy of recovering gravity anomalies using altimetry satellites in shallow water. The experiments show that the weighted fusion method using different reference models can improve the accuracy of recovering gravity anomalies in shallow water.

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Marine Gravity Anomaly From Satellite Altimetry: Interpolation and Matching Navigation

Cited by 3 publications

References 60 publications

Adaptive Gravity-Aided Inertial Navigation Based on Characteristic Analysis of Marine Gravity Anomaly From Satellite Altimetry

Adaptive Gravity-Aided Inertial Navigation Based on Characteristic Analysis of Marine Gravity Anomaly From Satellite Altimetry

A Novel Eötvös Correction Method Based on Passive Velocity Compensated INS

Analysis of the Influence of Different Reference Models on Recovering Gravity Anomalies from Satellite Altimetry

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