Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 17, issue 9
Articles | Volume 17, issue 9
https://doi.org/10.5194/essd-17-4691-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-17-4691-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 9
Data description paper
 | 
23 Sep 2025
Data description paper |  | 23 Sep 2025

CRA-LICOM: a global high-frequency atmospheric and oceanic temporal gravity field product (2002–2024)

Fan Yang, Jiahui Bai, Hailong Liu, Weihang Zhang, Yi Wu, Shuhao Liu, Chunxiang Shi, Tao Zhang, Min Zhong, Zitong Zhu, Changqing Wang, Ehsan Forootan, Jiangfeng Yu, Zipeng Yu, and Yun Xiao

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Short summary
We introduce China's first de-aliasing computation platform, incorporating China's Atmospheric Reanalysis and an in-house ocean circulation model. This platform produces CRA-LICOM, a high-frequency atmospheric and oceanic gravity de-aliasing product with a 6-hourly, 50 km resolution covering 2002–2024 globally. This product is reliable for de-aliasing, signal separation in satellite gravity missions, and climate change studies.
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