Article (Scientific journals)
Evaluation of global ocean tide models based on tidal gravity observations in China
Tan, Hongbo; FRANCIS, Olivier; Wu, Guiju et al.
2021In Geodesy and Geodynamics, 12 (6), p. 451-458
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Keywords :
Gravity signals; Ocean tidal loading; Global ocean tide models; gPhone gravimeter
Abstract :
[en] Previous studies show that the calculated loading effects from global ocean tide models do not match actual measurements of gravity attraction and loading effects in Southeast Asia. In this paper, taking advantage of a unique network of gravity tidal stations all over the Chinese mainland, we compare the observed and modeled tidal loading effects on the basis of the most recent global ocean tide models. The results show that the average efficiencies of the ocean tidal loading correction for O1, K1, M2 are 77%, 73% and 59%, respectively. The loading correction efficiencies using recent ocean tidal models are better than the 40 years old Schwiderskis model at coastal stations, but relative worse at stations far from ocean.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Tan, Hongbo
FRANCIS, Olivier  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Wu, Guiju
Yang, Guangliang
Wang, Jiapei
Zhang, Xiaotong
Huang, Jinshui
Shen, Chongyang
External co-authors :
yes
Language :
English
Title :
Evaluation of global ocean tide models based on tidal gravity observations in China
Publication date :
2021
Journal title :
Geodesy and Geodynamics
ISSN :
1674-9847
Publisher :
KeAi Communications Co., China
Volume :
12
Issue :
6
Pages :
451-458
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 29 November 2021

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