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Hydrodynamic Circulation under Tide Conditions at the Gulf of Evoikos, Greece

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Document pages: 22 pages

Abstract: Hydrodynamic circulation in the marine environment, characterized by theeffects of the intense tide conditions, the atmospheric loading, and thebathymetry, constitutes a complex phenomenon. The present paper deals with thenumerical simulation of the hydrodynamic circulation of the Gulf of Evoikos,which is characterized by the existence of a strong tide. The Estuarine andLake CΟmputer Model three-dimensional hydrodynamic model has been used, which,besides the tide, takes into consideration the atmospheric forces acting on thesurface of the study area, such as the solar radiation, the atmosphericpressure, the relative humidity, the rainfall height, the air temperature andthe wind speed and direction. The physical and hydrodynamic characteristics ofthe water circulation under tide conditions are examined such as the salinity,the water temperature, the density stratification, the flow velocities, thetracer concentration, etc. These characteristics are absolutely critical forthe diffusion and dispersion of passive pollutants, the water flow renewal, andthe general environmental situation.

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