Problems of variational assimilation of observational data for ocean general circulation models and methods for their solution |
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| Authors: | V I Agoshkov V M Ipatova V B Zalesnyi E I Parmuzin V P Shutyaev |
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| Institution: | 1.Institute of Numerical Mathematics,Russian Academy of Sciences,Moscow,Russia;2.Moscow Institute of Physics and Technology,Dolgoprudnyi, Moscow oblast,Russia |
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| Abstract: | Problems of the variational assimilation of satellite observational data on the temperature and level of the ocean surface,
as well as data on the temperature and salinity of the ocean from the ARGO system of buoys, are formulated with the use of
the global three-dimensional model of ocean thermodynamics developed at the Institute of Numerical Mathematics, Russian Academy
of Sciences (INM RAS). Algorithms for numerical solutions of the problems are developed and substantiated, and data assimilation
blocks are developed and incorporated into the global three-dimensional model. Numerical experiments are performed with the
use of the Indian Ocean or the entire World Ocean as examples. These numerical experiments support the theoretical conclusions
and demonstrate that the use of a model with an assimilation block of operational observational data is expedient. |
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