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https://hdl.handle.net/2440/62216
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Type: | Journal article |
Title: | Numerical investigation of spectral evolution of wind waves. Part I: Wind-input source function |
Author: | Tsagareli, K. Babanin, A. Walker, D. Young, I. |
Citation: | Journal of Physical Oceanography, 2010; 40(4):656-666 |
Publisher: | Amer Meteorological Soc |
Issue Date: | 2010 |
ISSN: | 0022-3670 1520-0485 |
Statement of Responsibility: | K. N. Tsagareli, A. V. Babanin, D. J. Walker, I. R. Young |
Abstract: | This paper is dedicated to the investigation and calibration of the parameterized form for the wind-input source term Sin proposed earlier on the basis of field observations at Lake George, Australia. The main objective of this study was to obtain spectral forms for the wind-input source function Sin, which incorporates the novel observation-based features and at the same time satisfies the important physical constraint that the total integrated wind input must agree with independently observed magnitudes of the wind stress. Within this approach, a new methodology, a dynamic self-adjusting routine, was developed for correction of the wind-input source function Sin. This correction involves a frequency-dependent adjustment to the growth rate γ(f), based on extrapolations from field data. The model results also show that light winds require higher-rate adjustments of the wind input than strong winds. |
Keywords: | Numerical analysis Spectral analysis Wind waves |
Rights: | © 2010 American Meteorological Society |
DOI: | 10.1175/2009JPO4345.1 |
Published version: | http://dx.doi.org/10.1175/2009jpo4345.1 |
Appears in Collections: | Aurora harvest Civil and Environmental Engineering publications |
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