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

Wenlong Chen, Pieter C. Roos, H.M. Schuttelaars, Suzanne J.M.H. Hulscher

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Abstract

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
Original languageUndefined
Pages (from-to)325-339
JournalOcean dynamics
Volume65
Issue number3
DOIs
Publication statusPublished - 2015

Keywords

  • METIS-310110
  • IR-95824

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