A Study of the Stable Boundary Layer Based on a Single-Column K-Theory Model

被引：0
作者：
Zbigniew Sorbjan
机构：
[1] Marquette University,Department of Physics
[2] Polish Academy of Sciences,Institute of Geophysics
来源：
Boundary-Layer Meteorology | 2012年 / 142卷
关键词：
Baroclinicity; CASES-99; K-theory model; Single-column model; SHEBA; Stable boundary layer; Subsidence;
D O I：
暂无
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学科分类号：
摘要：
We document numerical experiments with a single-column, high-resolution model of the stable boundary layer. The model resolves the logarithmic layer, and does not require inverting the Monin–Obukhov similarity functions in order to calculate the surface fluxes. The turbulence closure is based on the K-theory approach, with a new form of stability functions of the Richardson number, evaluated by using the Surface Heat Budget of the Arctic Ocean (SHEBA) and the Cooperative Atmosphere-Surface Exchange Study (CASES-99) data. A comparison with two, high-resolution large-eddy simulation models shows very good agreement. The reported numerical experiments test the effects of shear, surface cooling, the Coriolis parameter, subsidence, and baroclinicity. The time evolution of the drag coefficient, the heat-transfer coefficient, and the cross-isobar angle is also evaluated.
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页码：33 / 53
页数：20
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