Ocean Science
Ocean Science
OS
Articles | Volume 22, issue 4
Articles | Volume 22, issue 4
https://doi.org/10.5194/os-22-2179-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-22-2179-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 4
Research article
 | 
20 Jul 2026
Research article |  | 20 Jul 2026

Improving ocean bottom pressure fields using space gravity data in state estimation

Rui M. Ponte, E. Nishchitha S. Silva, Ou Wang, Ichiro Fukumori, and Mengnan Zhao

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Short summary
Ocean bottom pressure (pb) is a key variable for monitoring the ocean circulation, yet global space gravimetry observations offer limited coverage in space and time. Our work examines how to improve estimates of pb by optimally combining information in available data with an ocean circulation model. Results indicate that gravimetry data contain information complementary to that available in other ocean datasets and are thus important for determining variations in pb and related circulations.
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