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

Research output: Contribution to journalArticle

13 Citations (Scopus)

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 measurements data from the Hungarian part of Lake Neusiedl reasonably fits well the internal boundary layer development theory 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.

Original languageEnglish
Pages (from-to)16-23
Number of pages8
JournalJournal of Hydrology and Hydromechanics
Volume62
Issue number1
DOIs
Publication statusPublished - Mar 1 2014

Keywords

  • Internal boundary layer
  • Lake Neusiedl
  • Shallow lakes
  • Wind stress curl
  • Wind-induced flow

ASJC Scopus subject areas

  • Water Science and Technology
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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