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Ocean Tide Loading Displacement Inversion Based on Multi-GNSS Considering Mass Loading
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Fengxian XIAO1, Huayi ZHANG2, Qijie WANG1, 3, *, Mengrui WANG1
Journal of Geodesy and Geodynamics | 2025, 45(11) : 1115 - 1120
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Journal of Geodesy and Geodynamics | 2025, 45(11): 1115-1120
Ocean Tide Loading Displacement Inversion Based on Multi-GNSS Considering Mass Loading
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Fengxian XIAO1, Huayi ZHANG2, Qijie WANG1, 3, *, Mengrui WANG1
Affiliations
  • 1 School of Geosciences and Info-Physics, Central South University, 932 South-Lushan Road, Changsha 410083, China
  • 2 First Institute of Oceanography, MNR, 6 Xianxialing Road, Qingdao 266061, China
  • 3 Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Central South University, 932 South-Lushan Road, Changsha 410083, China

    • XIAO Fengxian, postgraduate, majors in surface deformation based on GNSS and InSAR, E-mail:

About Author:

XIAO Fengxian, postgraduate, majors in surface deformation based on GNSS and InSAR, E-mail:

Published: 2025-11-15 doi: 10.14075/j.jgg.2024.11.538
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We use data from 9 CORS stations in Hong Kong from 2016 to 2021 to invert OTLD parameters, and evaluate the OTLD parameter inversion results based on the mean OTLD parameter values of EOT20, FES2014b, HAMTIDE11a, and TPXO9.2a ocean tide models. The results show that compared with GPS inversion results, the error of K1, K2, and S2 tide components in multi-GNSS inversion can reduce by 15%-50%. In addition, comparing the changes of OTLD parameters in multi-GNSS inversion before and after mass loading correction, it can be seen that the improvement effect of OTLD parameters in vertical and east-west directions can reach 6.88% and 9.85%, respectively. However, due to the influence of internal interactions of mass loading, there is no significant improvement effect in north-south direction. Meanwhile, the improvement percentage of OTLD parameters in multi-GNSS inversion after mass loading correction is concentrated about 20%, which is positively correlated with OTLD.

multi-GNSS  /  ocean tide loading displacement  /  mass loading  /  ocean tide model
肖凤仙, 张化疑, 王琪洁, 王梦芮. 顾及质量负荷的多模GNSS海潮负荷位移反演. 大地测量与地球动力学, 2025 , 45 (11) : 1115 -1120 . DOI: 10.14075/j.jgg.2024.11.538
Fengxian XIAO, Huayi ZHANG, Qijie WANG, Mengrui WANG. Ocean Tide Loading Displacement Inversion Based on Multi-GNSS Considering Mass Loading[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (11) : 1115 -1120 . DOI: 10.14075/j.jgg.2024.11.538
Funding
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  • National Natural Science Foundation of China(42474058)
  • Natural Science Foundation of Changsha(kq2208262)
Appendix
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Year 2025 volume 45 Issue 11
28
10
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Article Info
doi: 10.14075/j.jgg.2024.11.538
  • Receive Date：2024-11-26
  • Online Date：2026-10-29
  • Published：2025-11-15
Article Data
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History
  • Received：2024-11-26
Funding
National Natural Science Foundation of China(42474058)
Natural Science Foundation of Changsha(kq2208262)
Affiliations
    1 School of Geosciences and Info-Physics, Central South University, 932 South-Lushan Road, Changsha 410083, China
    2 First Institute of Oceanography, MNR, 6 Xianxialing Road, Qingdao 266061, China
    3 Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Central South University, 932 South-Lushan Road, Changsha 410083, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2024.11.538
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表12种不同金属材料的力学参数
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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