Abstract
Hydrodynamic circulation in the marine environment, characterized by the effects of the intense tide conditions, the atmospheric loading, and the bathymetry, constitutes a complex phenomenon. The present paper deals with the numerical simulation of the hydrodynamic circulation of the Gulf of Evoikos, which is characterized by the existence of a strong tide. The Estuarine and Lake CΟmputer Model three-dimensional hydrodynamic model has been used, which, besides the tide, takes into consideration the atmospheric forces acting on the surface of the study area, such as the solar radiation, the atmospheric pressure, the relative humidity, the rainfall height, the air temperature and the wind speed and direction. The physical and hydrodynamic characteristics of the water circulation under tide conditions are examined such as the salinity, the water temperature, the density stratification, the flow velocities, the tracer concentration, etc. These characteristics are absolutely critical for the diffusion and dispersion of passive pollutants, the water flow renewal, and the general environmental situation.
Highlights
Coastal systems are usually affected by many interacting processes such as waves, tides and river inflows
The comparison given at these two points is indicative, because the two models ELCOM and COPERNICUS are based on completely different mathematical and numerical approaches, and the tide is simulated only by the ELCOM model
For the purposes of this paper, we simulated the hydrodynamic circulation in the area of the Gulf of Evoikos using the ELCOM three-dimensional hydrodynamic model, including the effect of the tide, as well as atmospheric forcing
Summary
Coastal systems are usually affected by many interacting processes such as waves, tides and river inflows. The effects of tide are of especial importance and researchers have been looking for modeling this effect. Much effort has been made to model this phenomenon [1] [2] [3] [4] [5]. Hydrodynamic processes greatly influence the transport of contaminants, nutrients, living biomasses and suspended particles.
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