engleski

IMPACT OF WIND, TIDAL VARIATIONS, WAVE FIELD AND DENSITY GRADIENT ON THE SEAWATER EXCHANGE TROUGH FLUSHING CULVERTS IN MARINAS

The paper presents the results of in-situ measurements and 3D numerical model of seawater circulation in the marine waters, whose main breakwater contains a constructed culvert. The in-situ measurements were carried out in the marina aquatorium of the city of Opatija (Croatia) and include: seawater current measurements, sea temperature and salinity, culvert discharge measurement, wave spectra parameters, atmospheric elements - wind speeds and directions and precipitation intensity. The presented results show that wind, wave field and freshwater sources have important contribution to the seawater exchange in the marina and that the maximum seawater exchange is achieved by constructing culvert axis to the middle sea level.

flushing culverts, marina, Adriatic Sea, numerical model

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