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Provedor de dados:  ArchiMer
País:  France
Título:  On Growth Rate of Wind Waves: Impact of Short-Scale Breaking Modulations
Autores:  Kudryavtsev, Vladimir
Chapron, Bertrand
Data:  2016-01
Ano:  2016
Palavras-chave:  Atm
Ocean Structure
Atmosphere-ocean interaction
Resumo:  The wave generation model based on the rapid distortion concept significantly underestimates empirical values of the wave growth rate. As suggested before, inclusion of the aerodynamic roughness modulations effect on the amplitude of the slope-correlated surface pressure could potentially reconcile this model approach with observations. This study explores the role of short-scale breaking modulations to amplify the growth rate of modulating longer waves. As developed, airflow separations from modulated breaking waves result in strong modulations of the turbulent stress in the inner region of the modulating waves. In turn, this leads to amplifying the slope-correlated surface pressure anomalies. As evaluated, such a mechanism can be very efficient for enhancing the wind-wave growth rate by a factor of 2-3.
Tipo:  Text
Idioma:  Inglês

Editor:  Amer Meteorological Soc
Formato:  application/pdf
Fonte:  Journal Of Physical Oceanography (0022-3670) (Amer Meteorological Soc), 2016-01 , Vol. 46 , N. 1 , P. 349-360
Direitos:  2016 American Meteorological Society


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