Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 31, issue 2
Articles | Volume 31, issue 2
https://doi.org/10.5194/npg-31-237-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/npg-31-237-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 31, issue 2
NPG Letters
 | 
07 Jun 2024
NPG Letters |  | 07 Jun 2024

Quantum data assimilation: a new approach to solving data assimilation on quantum annealers

Shunji Kotsuki, Fumitoshi Kawasaki, and Masanao Ohashi

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Latest update: 26 Oct 2025
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Short summary
In Earth science, data assimilation plays an important role in integrating real-world observations with numerical simulations for improving subsequent predictions. To overcome the time-consuming computations of conventional data assimilation methods, this paper proposes using quantum annealing machines. Using the D-Wave quantum annealer, the proposed method found solutions with comparable accuracy to conventional approaches and significantly reduced computational time.
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