The Dependence of the Azov–Black Sea Basin Surface Temperature Amplitude on Various Hydrometeorological Factors According to Remote Sensing Data and Modeling Results

This work studies the dependence of the amplitude of the diurnal cycle of the Azov–Black Sea basin surface temperature on a number of hydrometeorological factors and its seasonal variability using SEVIRI radiometer data and modeling of the upper mixed layer of the sea. According to remote sensing data, the minimum amplitude values occur in the cold season when the full heat flux is directed into the atmosphere, winds are strong, and air temperatures are low. The maximum amplitudes occur during the warm season, when the full heat flux is directed to the sea, the air temperature is the highest, and there is almost no wind. The work also provides calculations using the Kraus–Turner model with a special choice of atmospheric influence parameters. The obtained model results are in good agreement with the results of research on the diurnal cycle amplitude according to the SEVIRI scanner data. Model calculations made it possible to identify the variability of the thickness of the upper-ocean mixed layer while taking into account the variability of parameters of atmospheric influence—heat flux and wind speed.