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.
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.
the Creative Commons Attribution 4.0 License.
Data description article
| 
23 Sep 2025
Data description article |
| 23 Sep 2025
| 23 Sep 2025
CRA-LICOM: a global high-frequency atmospheric and oceanic temporal gravity field product (2002–2024)
Geodesy Group, Department of Sustainability and Planning, Aalborg University, Aalborg 9000, Denmark
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Hailong Liu
Laoshan Laboratory, Qingdao 266237, China
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Weihang Zhang
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Yi Wu
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Shuhao Liu
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Chunxiang Shi
National Meteorological Information Center, China Meteorological Administration (CMA), Beijing 100081, China
Tao Zhang
National Meteorological Information Center, China Meteorological Administration (CMA), Beijing 100081, China
Min Zhong
School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai 519082, China
Zitong Zhu
State Key Laboratory of Precision Geodesy, Innovation Academy for Precision Measurement Science and Technology, CAS, Wuhan 430077, China
Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut), Leibniz Universität Hannover, Hannover 30167, Germany
Changqing Wang
State Key Laboratory of Precision Geodesy, Innovation Academy for Precision Measurement Science and Technology, CAS, Wuhan 430077, China
Ehsan Forootan
Geodesy Group, Department of Sustainability and Planning, Aalborg University, Aalborg 9000, Denmark
Jiangfeng Yu
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Zipeng Yu
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Yun Xiao
Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China
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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.
We introduce China's first de-aliasing computation platform, incorporating China's Atmospheric...
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