Abstract

Analiza izmjene vode kroz cijevne propuste u marini Opatija

Highlights

  • Water quality in basins can deteriorate due to growing human activities that take place in water basins

  • Reduced water quality is a prominent issue in areas with low tidal oscillations, such as in all parts of the Mediterranean Sea

  • A sufficient level of water exchange is defined as the water exchange that ensures that pollutant concentrations inside a marina are below the level considered critical for the ecosystem

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Summary

Introduction

Water quality in basins can deteriorate due to growing human activities that take place in water basins. Harmful effects on water quality within a harbour can be avoided by maintaining an optimum water renewal rate or by reducing potential sources of pollutants [4]. In areas like the Mediterranean and the Adriatic Sea, tidal oscillations are significantly smaller and water renewal is reduced. In these areas, it is common to use flushing culverts (pipes or rectangular openings in a breakwater body, ~1m in diameter) [14, 15] to improve water renewal. It comes as no surprise that most research on culvert hydrodynamics is conducted in the area of the Mediterranean Sea, where low tidal oscillations are a common engineering challenge. Volumes of sea water passing through culverts, as related to wind data, were registered and analysed

Field measurements
Results and discussion
Conclusion

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