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Establishment of High Precision Ocean Tide Loading Correction Model for Precise Leveling in China and Its Impact on Leveling Data
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Tao ZHANG1, Wenli WANG1, *, Jianwen WANG1, Xinying MA1
Journal of Geodesy and Geodynamics | 2025, 45(7) : 746 - 753
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Journal of Geodesy and Geodynamics | 2025, 45(7): 746-753
Establishment of High Precision Ocean Tide Loading Correction Model for Precise Leveling in China and Its Impact on Leveling Data
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Tao ZHANG1, Wenli WANG1, *, Jianwen WANG1, Xinying MA1
Affiliations
  • 1 Geodetic Data Processing Center, MNR, 334 East-Youyi Road, Xi'an 710054, China

    • ZHANG Tao, engineer, majors in geodetic data processing, E-mail:

About Author:

ZHANG Tao, engineer, majors in geodetic data processing, E-mail:

Published: 2025-07-15 doi: 10.14075/j.jgg.2024.08.383
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Aiming at the problems of single data structure and low resolution of ocean tide model in"specifications for the first and second order leveling", four recent high-resolution global ocean tide models are corrected using the high precision China offshore model, and the influence of four offshore correction ocean tide models on precise leveling and the effect of ocean tide loading correction are calculated and analyzed. The results show that the DTU10 offshore correction model is the most practical and accurate ocean tide loading correction model for precise leveling in China's coastal area, and the influence of ocean tide loading on leveling height difference above 400 km from the coast is negligible (the correction of ocean tide loading per kilometer is not more than 0.005 mm).

ocean tide loading  /  precise leveling measurement  /  ocean tide model  /  offshore correction  /  leveling height difference
张涛, 王文利, 王建文, 马新莹. 我国精密水准测量高精度海潮负荷改正模型的建立及其对水准测量结果的影响研究. 大地测量与地球动力学, 2025 , 45 (7) : 746 -753 . DOI: 10.14075/j.jgg.2024.08.383
Tao ZHANG, Wenli WANG, Jianwen WANG, Xinying MA. Establishment of High Precision Ocean Tide Loading Correction Model for Precise Leveling in China and Its Impact on Leveling Data[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (7) : 746 -753 . DOI: 10.14075/j.jgg.2024.08.383
Funding
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  • National Natural Science Foundation of China(41574003)
  • National Natural Science Foundation of China(41774004)
Appendix
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Year 2025 volume 45 Issue 7
38
15
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Article Info
doi: 10.14075/j.jgg.2024.08.383
  • Receive Date：2024-08-12
  • Online Date：2026-10-29
  • Published：2025-07-15
Article Data
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  • Received：2024-08-12
Funding
National Natural Science Foundation of China(41574003)
National Natural Science Foundation of China(41774004)
Affiliations
    1 Geodetic Data Processing Center, MNR, 334 East-Youyi Road, Xi'an 710054, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2024.08.383
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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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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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