Numerical Study of Variability of Hydrological Regime for the Southeastern Part of the Black Sea (2010-2021)

Abstract

The study and forecast of mesoscale dynamic processes in the coastal/shelf zones of seas and oceans is one of the main issues of physical oceanography, because these zones experience the most significant anthropogenic load. Circulation processes, which are closely related to temperature and salinity fields, make a significant contribution to the distribution of various impurities of anthropogenic and natural origin in the marine environment. In the present paper, a high-resolution numerical regional model of the Black Sea dynamics of M. Nodia Institute of Geophysics of Ivane Javakhishvili Tbilisi State University (RM-IG) is used to simulate and study some peculiarities of regional hydrophysical processes occurring in 2010-2021 in the southeastern part of the Black Sea covering Georgian sector of the Black Sea and surrounding water area. The RM-IG is based on a primitive system of ocean hydro and thermodynamics equations in hydrostatic approximation written in the Cartesian coordinate system and is implemented with a spatial resolution of 1 km under real atmospheric forcing.