Peculiarities of the formation of the cold intermediate layer in Black Sea regions with various dynamic conditions
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Hydrological surveys made in 1984–1985 are analysed. In most of the water area the core of the cold intermediate layer (CIL) lies below the critical depth of convection. This reveals the advective nature of the CIL in these regions. Non-linear one-dimensional models provided values of the depth and temperature of the CIL which are close to the real values only in regions of maximum cooling. The hydrodynamic model of the temperature anomaly evolution which can arise in the cyclonic circulation zone confirms the local nature of the anomaly effect. During the last decades, the CIL depth was shallower, but this effect exists only in the outlying areas of the sea.
KeywordsConvection Dynamic Condition Water Area Temperature Anomaly Hydrodynamic Model
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