# _remote sensing_
## 6 Conclusions
The PGS and ATG data of WSCS are available from [[ftp://1.203.10](ftp://1.203.10)]([ftp://1.203.10](ftp://1.203.10)) 3.214 (accessed on 28 August 2023), and the HY-2B and HY-2C data are obtained from NSOAS ([[https://osdds.nsoas.org.cn/OceanDynamics](https://osdds.nsoas.org.cn/OceanDynamics)]([https://osdds.nsoas.org.cn/OceanDynamics](https://osdds.nsoas.org.cn/OceanDynamics)), accessed on 28 August 2023) with the permission of NSOAS. The PGS data near WSCS are obtained from GRC and are available from [[ftp://igs.gnsswhu.cn](ftp://igs.gnsswhu.cn)]([ftp://igs.gnsswhu.cn](ftp://igs.gnsswhu.cn)) (accessed on 28 August 2023). The Jason-3 (accessed on 28 August 2023), MSS, FES2014 tide model (accessed on 6 July 2023), CLS_MSS2015 and CLS_MDT_2018 (accessed on 28 July 2019) data are obtained from AVISO and are available from [[ftp://ftp-access.aviso.altimetry.fr/geophysical-datarecord/jason-3](ftp://ftp-access.aviso.altimetry.fr/geophysical-datarecord/jason-3)]([ftp://ftp-access.aviso.altimetry.fr/geophysical-datarecord/jason-3](ftp://ftp-access.aviso.altimetry.fr/geophysical-datarecord/jason-3)). The tide station data of Hong Kong (No. B329) is derived from GLOSS and is available from [[http://uhls.coset.hawaii.edu/data](http://uhls.coset.hawaii.edu/data)]([http://uhls.coset.hawaii.edu/data](http://uhls.coset.hawaii.edu/data)) (accessed on 19 July 2023). The HAMITIDE 12 (accessed on 18 February 2023), EOT20 (accessed on 9 July 2023), DUT16 (accessed on 28 August 2023), NAO99 Jb (accessed on 4 September 2019) and GOT4.10 (accessed on 9 July 2023) tide model data are obtained from [[ftp://ftp-icdc.cen.uni-hamburg.de/hamtide/](ftp://ftp-icdc.cen.uni-hamburg.de/hamtide/)]([ftp://ftp-icdc.cen.uni-hamburg.de/hamtide/](ftp://ftp-icdc.cen.uni-hamburg.de/hamtide/)), [[https://www.seanoe.org/data/00](https://www.seanoe.org/data/00)]([https://www.seanoe.org/data/00](https://www.seanoe.org/data/00)) 683/79489/, [[ftp://ftp.space.dtu.dk](ftp://ftp.space.dtu.dk)]([ftp://ftp.space.dtu.dk](ftp://ftp.space.dtu.dk)), [[https://www.miz.nao.ac.jp/staffs/nao99/index_En.html](https://www.miz.nao.ac.jp/staffs/nao99/index_En.html)]([https://www.miz.nao.ac.jp/staffs/nao99/index_En.html](https://www.miz.nao.ac.jp/staffs/nao99/index_En.html)) and [[https://earth.gsfc.nasa.gov/geo/data/ocean-tide-models](https://earth.gsfc.nasa.gov/geo/data/ocean-tide-models)]([https://earth.gsfc.nasa.gov/geo/data/ocean-tide-models](https://earth.gsfc.nasa.gov/geo/data/ocean-tide-models)), respectively. The DTU 2021 global MSS model (accessed on 18 February 2023) and EGM 2008 (accessed on 19 May 2019) are available from www.space.dtu.dk and [[http://earth-info.nima.mil](http://earth-info.nima.mil)]([http://earth-info.nima.mil](http://earth-info.nima.mil)), respectively. The authors would like to extend their sincere gratitude to [PERSON], [PERSON], [PERSON] and [PERSON] from Guangdong Sea Star Ocean Sci. and Tech. Co., Ltd. We thank NSOAS, AVISO, MIT, IGS and the University of Wyoming for providing the relevant data. We thank the MIT group in the US for providing the GAMIT/GLOBK software available. We are also grateful for the code of Hector software provided by [[http://segal.ubi.pt/hector/](http://segal.ubi.pt/hector/)]([http://segal.ubi.pt/hector/](http://segal.ubi.pt/hector/)). Figures in this paper are plotted with the python software. The authors declare no conflict of interest.