Resonance properties of a closed rotating rectangular basin subject to space- and time-dependent wind forcing

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• 作者：Wen L. Chen (1)
  Pieter C. Roos (1)
  Henk M. Schuttelaars (2)
  Suzanne J. M. H. Hulscher (1)
  
  1. Water Engineering and Management ; University of Twente ; P.O. Box 217 ; 7500 ; AE Enschede ; The Netherlands
  2. Delft Institute of Applied Mathematics ; Delft University of Technology ; P.O. Box 5031 ; 2600 ; GA Delft ; The Netherlands
  
• 关键词：Wind ; driven flow ; Coastal basins ; Resonance ; Idealised process ; based modelling ; Coriolis effects ; Spectral response
• 刊名：Ocean Dynamics
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：65
• 期：3
• 页码：325-339
• 全文大小：1,425 KB
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  16. Roos, PC, Schuttelaars, HM (2011) Influence of topography on tide propagation and amplification in semi-enclosed basins. Ocean Dyn 61: pp. 21-38 CrossRef
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• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Oceanography
  Geophysics and Geodesy
  Meteorology and Climatology
  Fluids
  Structural Foundations and Hydraulic Engineering
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1616-7228

文摘

We present an idealised process-based model to study the possibly resonant response of closed basins subject to periodic wind forcing. Two solution methods are adopted: a collocation technique (valid for arbitrary rotation) and an analytical expansion (assuming weak rotation). The spectral response, as obtained from our model, displays resonance peaks, which we explain by linking them to the spatial pattern of the wind forcing, the along-wind and cross-wind basin dimensions as well as the influence of rotation. Increasing bottom friction lowers the peaks. Finally, we illustrate how the spectral response is reflected in the time-dependent set-up due to a single wind event.