Modeling of wind upwellings on the northwest shelf of the Black Sea near local features of the bottom topography |
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| Authors: | V A Ivanov É N Mikhailova N B Shapiro |
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| Institution: | (1) Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol, Ukraine |
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| Abstract: | We discuss the results of numerical experiments aimed at the investigation of the process of formation of the three-dimensional
structure of the zones of upwelling on the northwest shelf of the Black Sea depending on the direction of the wind. We perform
the detailed analysis of three zones (I, II, and III) with fairly well pronounced inhomogeneities of the bottom topography.
Zone I is located in the north part of the shelf and, in this region, we observe a narrow depression to the southwest of the
Tendrovskaya Spit. In zone II located in the near-Danube zone, we observe a height reaching the sea surface (Zmeinyi Island).
Zone III is located in the east part of the shelf and corresponds to a sharp drop of depths with specific curvature of the
coastal line of the Kalamitskii Bay and Gerakleiskii Peninsula. The performed analysis enables us to conclude that, in the
vicinity of the local features of the bottom topography and coastal line (such as underwater heights, depressions, and capes),
we observe the appearance of the zones of upwelling of waters, especially pronounced in the deep-water layers of the sea.
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Translated from Morskoi Gidrofizicheskii Zhurnal, No. 3, pp. 68–80, May–June, 2008. |
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