Abstract
Results of statistical processing and physical analyses of the historical and recent hydrographic data set are presented. Seasonal thermohaline (hydrographic) variabilities of the Black Sea main baroclinic layer (0–200 m) are considered. In the upper 50-m layer, seasonal thermohaline variability is generated mainly by the heat and freshwater fluxes across the sea surface. In the main pycnocline between depths of 50 and 200 m it is caused by the flux of the wind-stress relative vorticity. Thermohaline effects of these processes are described.
Highlights
The Black Sea attracts considerable attention due to its natural originality, resource abundance, great historical value and vital importance to human societies of the vast region
We present the modern generalized view on the some largescale features of the Black Sea seasonal thermohaline variability
The fresh waters supplied to the Black Sea with the riverine runoff and precipitation are distributed by currents and turbulence over the upper mixed layer (UML) of the sea with a thickness of [5,6,7,8,9,10] m in the spring and summer and up to [40–60] m at the end of the winter
Summary
The Black Sea attracts considerable attention due to its natural originality, resource abundance, great historical value and vital importance to human societies of the vast region. The monograph [Blatov et al, 1984] presented a systematic quantitative description of the processes of the climatic, seasonal, inter-annual, synoptic, and short-period variabilities of the temperature and salinity of the Black Sea waters.
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