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On the internal boundary related wind stress curl and its role in generating shallow lake circulations

Józsa, János (2014) On the internal boundary related wind stress curl and its role in generating shallow lake circulations. JOURNAL OF HYDROLOGY AND HYDROMECHANICS, 62 (1). pp. 16-23. ISSN 0042-790X

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Abstract

The paper demonstrates that the wind stress curl as an external vorticity source plays an important role in shaping large scale shallow lake circulations. The analysis of purpose-oriented simultaneous wind and current measure-ments data from the Hungarian part of Lake Neusiedl reasonably fits well the internal boundary layer development theo-ry over the lake surface. A 2-D vorticity formulation of wind-induced flows is used to demonstrate mathematically the IBL-related large scale circulation generation mechanism well reflected in the measured data. Further validation of the findings is carried out by means of simple 2-D numerical flow modelling, in which details on the flow pattern besides the measurement sites could be also revealed. Wind-induced lake circulations linked to IBL development shows a novelty to be implemented in up-to-date numerical flow models.

Item Type: Article
Uncontrolled Keywords: Wind-induced flow; Internal boundary layer; Wind stress curl; Shallow lakes; Lake Neusiedl.
Subjects: Q Science / természettudomány > QE Geology / földtudományok > QE08 Hydrosphere. Hydrology / hidroszféra, hidrológia
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 05 Feb 2014 13:32
Last Modified: 05 Feb 2014 13:32
URI: http://real.mtak.hu/id/eprint/9771

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