Advances in surface water and ocean topography for fine-scale eddy identification from altimeter sea surface height merging maps in the South China Sea

Zhang, Xiaoya; Liu, Lei; Fei, Jianfang; Li, Zhijin; Wei, Zexun; Zhang, Zhiwei; Jiang, Xingliang; Dong, Zexin; Xu, Feng

doi:https://doi.org/10.5194/os-21-1033-2025

Articles | Volume 21, issue 3

https://doi.org/10.5194/os-21-1033-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/os-21-1033-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 3

Research article

|

16 Jun 2025

Research article |

| 16 Jun 2025

Advances in surface water and ocean topography for fine-scale eddy identification from altimeter sea surface height merging maps in the South China Sea

Xiaoya Zhang, Lei Liu, Jianfang Fei, Zhijin Li, Zexun Wei, Zhiwei Zhang, Xingliang Jiang, Zexin Dong, and Feng Xu

Related authors

Two Centuries of Oceanographic Data in the Indonesian Seas and Surroundings: Historical Trends, Gaps, and Future Challenges

Noir Primadona Purba, Ghelby Muhammad Faid, Wang Zheng, Mohd. Fadzil Akhir, Weidong Yu, Rangga Adithya Mulya, Fadli Syamsudin, Ibnu Faizal, Buntora Pasaribu, Teguh Agustiadi, Bayu Priyono, Muhammad Fadli, Priyadi Dwi Santoso, Wahyu Widodo Pandoe, Huiwu Wang, Shujiang Li, Zexun Wei, R. Dwi Susanto, Dwiyoga Nugroho, and Adi Purwandana

Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2025-196,https://doi.org/10.5194/essd-2025-196, 2025

Preprint under review for ESSD

Short summary

Signatures of Oxygen-Depleted Waters along the Sumatra-Java Coasts in the Southeastern Tropical Indian Ocean

Faisal Hamzah, Iis Triyulianti, Agus Setiawan, Intan Suci Nurhati, Bayu Priyono, Dessy Berlianty, Muhammad Fadli, Rafidha D. Ahmad Opier, Teguh Agustiadi, Marsya J. Rugebregt, Weidong Yu, Zexun Wei, Huiwu Wang, R. Dwi Susanto, and Priyadi D. Santoso

EGUsphere, https://doi.org/10.5194/egusphere-2024-451,https://doi.org/10.5194/egusphere-2024-451, 2024

Preprint archived

Short summary

Design and evaluation of an efficient high-precision ocean surface wave model with a multiscale grid system (MSG_Wav1.0)

Jiangyu Li, Shaoqing Zhang, Qingxiang Liu, Xiaolin Yu, and Zhiwei Zhang

Geosci. Model Dev., 16, 6393–6412, https://doi.org/10.5194/gmd-16-6393-2023,https://doi.org/10.5194/gmd-16-6393-2023, 2023

Short summary

Producing SWOT measurements with a multiscale data assimilation system during the prelaunch field campaign

Zhijin Li, Matthew R. Archer, Jinbo Wang, and Lee-Lueng Fu

EGUsphere, https://doi.org/10.5194/egusphere-2022-1399,https://doi.org/10.5194/egusphere-2022-1399, 2022

Preprint archived

Short summary

Four-dimensional variational assimilation for SO₂ emission and its application around the COVID-19 lockdown in the spring 2020 over China

Yiwen Hu, Zengliang Zang, Xiaoyan Ma, Yi Li, Yanfei Liang, Wei You, Xiaobin Pan, and Zhijin Li

Atmos. Chem. Phys., 22, 13183–13200, https://doi.org/10.5194/acp-22-13183-2022,https://doi.org/10.5194/acp-22-13183-2022, 2022

Short summary

Related subject area

Approach: Remote Sensing | Properties and processes: Mesoscale to submesoscale dynamics

Enhanced resolution capability of SWOT sea surface height measurements and their application in monitoring ocean dynamics variability

Yong Wang, Shengjun Zhang, and Yongjun Jia

Ocean Sci., 21, 931–944, https://doi.org/10.5194/os-21-931-2025,https://doi.org/10.5194/os-21-931-2025, 2025

Short summary

Generation of super-resolution gap-free ocean colour satellite products using data-interpolating empirical orthogonal functions (DINEOF)

Aida Alvera-Azcárate, Dimitry Van der Zande, Alexander Barth, Antoine Dille, Joppe Massant, and Jean-Marie Beckers

Ocean Sci., 21, 787–805, https://doi.org/10.5194/os-21-787-2025,https://doi.org/10.5194/os-21-787-2025, 2025

Short summary

Sargassum accumulation and transport by mesoscale eddies

Rosmery Sosa-Gutierrez, Julien Jouanno, and Leo Berline

EGUsphere, https://doi.org/10.5194/egusphere-2025-514,https://doi.org/10.5194/egusphere-2025-514, 2025

Short summary

Blending 2D topography images from the Surface Water and Ocean Topography (SWOT) mission into the altimeter constellation with the Level-3 multi-mission Data Unification and Altimeter Combination System (DUACS)

Gerald Dibarboure, Cécile Anadon, Frédéric Briol, Emeline Cadier, Robin Chevrier, Antoine Delepoulle, Yannice Faugère, Alice Laloue, Rosemary Morrow, Nicolas Picot, Pierre Prandi, Marie-Isabelle Pujol, Matthias Raynal, Anaelle Tréboutte, and Clément Ubelmann

Ocean Sci., 21, 283–323, https://doi.org/10.5194/os-21-283-2025,https://doi.org/10.5194/os-21-283-2025, 2025

Short summary

Estimating ocean currents from the joint reconstruction of absolute dynamic topography and sea surface temperature through deep learning algorithms

Daniele Ciani, Claudia Fanelli, and Bruno Buongiorno Nardelli

Ocean Sci., 21, 199–216, https://doi.org/10.5194/os-21-199-2025,https://doi.org/10.5194/os-21-199-2025, 2025

Short summary

Cited articles

Abdalla, S., Abdeh Kolahchi, A., Ablain, M., et al.: Altimetry for the future: Building on 25 years of progress, Adv. Space Res., 68, 319–363, https://doi.org/10.1016/j.asr.2021.01.022, 2021.

Archer, M. R., Li, Z., and Fu, L.: Increasing the Space–Time Resolution of Mapped Sea Surface Height From Altimetry, J. Geophys. Res.-Oceans, 125, e2019JC015878, https://doi.org/10.1029/2019JC015878, 2020.

AVISO/DUACS: SWOT Level-3 KaRIn Low Rate SSH Basic (1.0), Aviso [data set], https://doi.org/10.24400/527896/A01-2023.017, 2024.

Ballarotta, M., Ubelmann, C., Pujol, M.-I., Taburet, G., Fournier, F., Legeais, J.-F., Faugère, Y., Delepoulle, A., Chelton, D., Dibarboure, G., and Picot, N.: On the resolutions of ocean altimetry maps, Ocean Sci., 15, 1091–1109, https://doi.org/10.5194/os-15-1091-2019, 2019.

Ballarotta, M., Ubelmann, C., Rogé, M., Fournier, F., Faugère, Y., Dibarboure, G., Morrow, R., and Picot, N.: Dynamic Mapping of Along-Track Ocean Altimetry: Performance from Real Observations, J. Atmos. Ocean. Tech., 37, 1593–1601, https://doi.org/10.1175/JTECH-D-20-0030.1, 2020.