Numerical Simulation of Wind Currents and Propagation of Impurities in the Balaklava Bay |
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| Authors: | V V Fomin L N Repetin |
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| Institution: | (1) Marine Department, Ukrainian Scientific-Research Hydrometeorological Institute, Sevastopol, Ukraine |
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| Abstract: | We present the results of numerical experiments aimed at the simulation of the circulation of waters and transport of impurities
in the Balaklava Bay for typical wind conditions established on the basis of the analysis of the data of in-situ measurements. The currents are computed by using the nonlinear σ-coordinate model. The specific features of the integral
circulation and three-dimensional structure of the current field are investigated. The statistical characteristics of currents
are estimated on the basis of the in-situ data on winds and model calculations. Possible scenarios of propagation of impurities from the coastal sources are analyzed
for various hydrodynamic conditions. It is shown that the localized eddy structures in the current fields (in combination
with the zones of intense vertical motion) can result in a complex character of the transport of substances in the bay and
lead to the formation of local regions of maximum concentrations of impurities on the boundary of the north and central parts
of the bay.
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Translated from Morskoi Gidrofizicheskii Zhurnal, No. 4, pp. 43–58, July–August, 2005. |
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