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Statistical Analysis of Physical Characteristics Calculated by NEMO Model After Data Assimilationстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 16 апреля 2025 г.
- Авторы: Belyaev K., Kuleshov A., Smirnov I.
- Журнал: Mathematics
- Том: 13
- Номер: 6
- Год издания: 2025
- Издательство: MDPI
- Местоположение издательства: Basel, Switzerland
- Номер статьи: 948
- DOI: 10.3390/math13060948
- Аннотация: The main goal of this study is to develop a method for finding the joint probability distribution of the state of the characteristics of the NEMO (Nucleus for European Modeling of the Ocean) ocean dynamics model with data assimilation using the Generalized Kalman filter (GKF) method developed earlier by the authors. The method for finding the joint distribution is based on the Karhunen–Loeve decomposition of the covariance function of the joint characteristics of the ocean. Numerical calculations of the dynamics of ocean currents, surface and subsurface ocean temperatures, and water salinity were carried out, both with and without assimilation of observational data from the Argo project drifters. The joint probability distributions of temperature and salinity at individual points in the world ocean at different depths were obtained and analyzed. The Atlantic Meridional Overturning Circulation (AMOC) system was also simulated using the NEMO model with and without data assimilation, and these results were compared to each other and analyzed.
- Добавил в систему: Смирнов Илья Николаевич
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