This article is cited in 3 scientific papers (total in 3 papers)
Stability of the optimal solution to the problem of variational assimilation with error covariance matrices of observational data for the sea thermodynamics model
Abstract:
A mathematical model of the sea thermodynamics, developed at the Institute of Numerical Mathematics of the Russian Academy of Sciences is considered. The problem of variational assimilation of daily-averaged sea surface temperature (SST) data is formulated and investigated taking into account the observation error covariance matrices. On the basis of variational assimilation of satellite observation data, the inverse problem of restoring a heat flux on the sea surface is solved. The stability of the optimal solution of the problem of variational data assimilation is studied, and the results of numerical experiments for the model of the Baltic Sea dynamics are presented.
Key words:
variational data assimilation, optimal control, adjoint equations, covariance matrices, stability with respect to errors, sea surface temperature.
Citation:
V. P. Shutyaev, E. I. Parmuzin, “Stability of the optimal solution to the problem of variational assimilation with error covariance matrices of observational data for the sea thermodynamics model”, Sib. Zh. Vychisl. Mat., 21:2 (2018), 225–242; Num. Anal. Appl., 11:2 (2018), 178–192
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\paper Stability of the optimal solution to the problem of variational assimilation with error covariance matrices of observational data for the sea thermodynamics model
\jour Sib. Zh. Vychisl. Mat.
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\pages 225--242
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\jour Num. Anal. Appl.
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\pages 178--192
\crossref{https://doi.org/10.1134/S1995423918020088}
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Linking options:
https://www.mathnet.ru/eng/sjvm680
https://www.mathnet.ru/eng/sjvm/v21/i2/p225
This publication is cited in the following 3 articles:
V. P. Shutyaev, E. I. Parmuzin, “Chuvstvitelnost funktsionalov k vkhodnym dannym v zadache variatsionnogo usvoeniya dlya modeli termodinamiki morya”, Sib. zhurn. vychisl. matem., 27:1 (2024), 97–112
V. P. Shutyaev, E. I. Parmuzin, “Sensitivity of Functionals to Input Data in a Variational Assimilation Problem for a Sea Thermodynamics Model”, Numer. Analys. Appl., 17:1 (2024), 80
V. P. Shutyaev, E. I. Parmuzin, “Sensitivity of Functionals to Observation Data in a Variational Assimilation Problem For a Sea Thermodynamics Model”, Numer. Anal. Appl., 12:2 (2019), 191–201
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