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Springer Geology

ISSN:21979545

2026

10.1007/978-981-96-9302-3_37

Three numerical experiments were carried out to simulate the Black Sea circulation in 2016 for different types of state equations, which had the form of a polynomial depending on the degree of temperature and salinity. The linear state equation (experiment 1), the equation in the form of O. I. Mamaev (experiment 2), and the EOS-80 equation of state (experiment 3) were considered. The obtained model values were compared with measurement data of temperature and salinity, taken during cruises 87, 89, 91 of the R/V Professor Vodyanitsky in 2016. The worst estimates were obtained in the experiment 1, using the linear state equation, the results of the experiments 2 and 3 were close to each other. The area of relatively cold salt waters in the northwest, noted by observations in the summer season, was more accurately reproduced in experiment 2. The area of warm, poorly desalinated waters along the east coast, noted according to measurement data in the autumn–winter season, was more accurately reconstructed in experiment 3. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2026.

Black Sea, Equation of state, Hydrophysical fields, Numerical modeling, Observational data, Standard deviation

2-s2.0-105026698604

Evstigneeva, N. (2026). Numerical Experiments on Modeling the Black Sea Circulation in 2016 Using Various Degrees of Polynomial Dependence of Density on Temperature and Salinity. In: Chaplina, T. (eds) Processes in GeoMedia—Volume IX. Springer Geology. Springer, Singapore. https://doi.org/10.1007/978-981-96-9302-3_37