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Volume 14, issue 2 | Copyright
Ocean Sci., 14, 285-292, 2018
https://doi.org/10.5194/os-14-285-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 13 Apr 2018

Research article | 13 Apr 2018

The dynamics of İzmir Bay under the effects of wind and thermohaline forces

Erdem Sayın and Canan Eronat Erdem Sayın and Canan Eronat
  • Institute of Marine Sciences and Technology, Dokuz Eylül University, İzmir, Turkey

Abstract. The dominant circulation pattern of İzmir Bay on the Aegean Sea coast of Turkey is studied taking into consideration the influence of wind and thermohaline forces. İzmir Bay is discussed by subdividing the bay into outer, middle and inner areas. Wind is the most important driving force in the İzmir coastal area. There are also thermohaline forces due to the existence of water types of different physical properties in the bay. In contrast to the two-layer stratification during summer, a homogeneous water column exists in winter. The free surface version of the Princeton model (Killworth's 3-D general circulation model) is applied, with the input data obtained through the measurements made by the research vessel K. Piri Reis. As a result of the simulations with artificial wind, the strong consistent wind generates circulation patterns independent of the seasonal stratification in the bay. Wind-driven circulation causes cyclonic or anticyclonic movements in the middle bay where the distinct İzmir Bay Water (IBW) forms. Cyclonic movement takes place under the influence of southerly and westerly winds. On the other hand, northerly and easterly winds cause an anticyclonic movement in the middle bay. The outer and inner bay also have the wind-driven recirculation patterns expected.

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Short summary
The dominant circulation pattern of the Gulf of İzmir on the Aegean Sea coast of Turkey is studied taking into consideration the influence of wind and thermohaline forces. The free surface version of the Princeton model is applied with the input data obtained through the measurements made by the research vessel K. Piri Reis. As a result of the simulations with artificial wind, the strong consistent wind generates circulation patterns independent of the seasonal stratification in the Bay.
The dominant circulation pattern of the Gulf of İzmir on the Aegean Sea coast of Turkey is...
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