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Modeling whitecap fraction with a wave model

TitleModeling whitecap fraction with a wave model
Publication TypeJournal Article
Year of Publication2016
AuthorsScanlon B., Breivik O., Bidlot J.R, Janssen P, Callaghan AH, Ward B.
JournalJournal of Physical Oceanography
Date Published2016/03
Type of ArticleArticle
ISBN Number0022-3670
Accession NumberWOS:000371476500005
KeywordsAtm/Ocean Structure/ Phenomena; Atmosphere-ocean interaction; breaking waves; Circulation/ Dynamics; coverage; energy-dissipation; gas transfer; mixed-layer; Models and modeling; numerical; ocean surface; parameterizations; sea-surface; turbulence; wave breaking; Waves, oceanic; weather prediction/forecasting; wind-speed

High-resolution measurements of actively breaking whitecap fraction (W-FA) and total whitecap fraction (W-FT) from the Knorr11 field experiment in the Atlantic Ocean are compared with estimates of whitecap fraction modeled from the dissipation source term of the ECMWF wave model. The results reveal a strong linear relationship between model results and observed measurements. This indicates that the wave model dissipation is an accurate estimate of total whitecap fraction. The study also reveals that the dissipation source term is more closely related to W-FA than W-FT, which includes the additional contribution from maturing (stage B) whitecaps.

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