Nonlocal fluxes and Stokes drift effects in the K-profile parameterization

William D. Smyth; Eric D. Skyllingstad; Gregory B. CrawfordHemantha Wijesekera

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Nonlocal fluxes and Stokes drift effects in the K-profile parameterization

机译：Nonlocal fluxes and Stokes drift effects in the K-profile parameterization

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摘要

The K-profile parameterization of upper-ocean mixing is tested and extended using observations and large eddy simulations of upper-ocean response to a westerly windburst. A nonlocal momentum flux term is added, and the amplitude of the nonlocal scalar flux is recalibrated. Parameterizations of Stokes drift effects are added following recent work by McWilliams and Sullivan (2001). These changes allow the parameterization to produce both realistic gradients of momentum and scalars in the nocturnal boundary layer and enhanced mixing during stable conditions. The revised parameterization is expected to produce improved representations of lateral advection and sea-surface temperature in large-scale models.

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《Ocean dynamics》 |2002年第3期|104-115|共12页
作者
William D. Smyth; Eric D. Skyllingstad; Gregory B. CrawfordHemantha Wijesekera;
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作者单位

College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon 97331-5503, USA;

Department of Oceanography, Humboldt State University, Arcata, California 95521-8299, USA;

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正文语种英语
中图分类地球物理学;
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Ocean modeling o Turbulence; Mixed layer; K-profile parameterization; KPP;

Nonlocal fluxes and Stokes drift effects in the K-profile parameterization

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