Effects of the Distribution of Hydrological and Hydrobiological Parameters on the Structure of Transparency Field in the Upper Layer of the Black Sea Pelagic Zone

A. S. Kukushkin

Considered are the effects of suspended matter content and water mass dynamics on the formation of optical structure of water in the upper layer of the deep part of the Black Sea using the data of long-term simultaneous observations. It is demonstrated that the peculiarities of horizontal distribution of the depth of transparent and turbid optical layers depend on the distribution of hydrological parameters characterizing the dynamic processes in the upper layer of the sea. Computed and analyzed are the parameters of regression relationship between the beam attenuation coefficient and the concentration of organic and total suspension and chlorophyll-a as well as between the depth of transparent layer and the position of the lower boundary of cold intermediate layer in different dynamic formations in spring, summer, and autumn.

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