Data/hora: 06/06/2024 13:45:47

Provedor de dados: | 5
País: | France
Título: | On the Impact of Long Wind-Waves on Near-Surface Turbulence and Momentum Fluxes
Autores: | Ayet, Alex; Chapron, Bertrand; Redelsperger, Jean-luc; Lapeyre, Guillaume; Marié, Louis.
Data: | 2020-03
Ano: | 2020
Palavras-chave: | Air-sea fluxes; Wall-bounded turbulence; Wave boundary layer; Wind stress; Wind-waves.
Resumo: | We propose a new phenomenological model to represent the impact of wind-waves on the dissipation of turbulence kinetic energy near the sea surface. In this model, the momentum flux at a given height results from the averaged contribution of eddies attached to the sea surface whose sizes are related to the surface geometry. This yields a coupling between long wind-waves and turbulence at heights of about 10 m. This new wind-and-waves coupling is thus not exclusively confined to the short wave range and heights below 5 m, where most of the momentum transfer to the waves is known to occur. The proposed framework clarifies the impact of wind-waves on Monin–Obukhov similarity theory, and the role of long wind-waves on the observed wind-wave variability of momentum fluxes. This work reveals which state variables related to the wind-wave coupling require more accurate measurements to further improve wind-over-waves models and parametrizations.
Tipo: | Text
Idioma: | Inglês

Identificador:

https://archimer.ifremer.fr/doc/00601/71285/69691.pdf

DOI:10.1007/s10546-019-00492-x

https://archimer.ifremer.fr/doc/00601/71285/

Editor: | Springer Science and Business Media LLC
Formato: | application/pdf
Fonte: | Boundary-layer Meteorology (0006-8314) (Springer Science and Business Media LLC), 2020-03 , Vol. 174 , N. 3 , P. 465-491

Fonte:

info:eu-repo/semantics/openAccess

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