期刊
ACTA GEOPHYSICA
卷 56, 期 1, 页码 88-99出版社
SPRINGER INT PUBL AG
DOI: 10.2478/s11600-007-0038-y
关键词
boundary condition; land-atmosphere interaction; large-eddy simulation; PBL modelling; stable boundary layer
In single column and large-eddy simulation studies of the atmospheric boundary layer, surface sensible heat flux is often used as a boundary condition. In this paper, we delineate the fundamental shortcomings of such a boundary condition in the context of stable boundary layer modelling and simulation. Using an analytical approach, we are able to show that for reliable model results of the stable boundary layer accurate surface temperature prescription or prediction is needed. As such, the use of surface heat flux as a boundary condition should be avoided in stable conditions.
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