An inconvenient "truth" about using sensible heat flux as a surface boundary condition in models under stably stratified regimes

被引：89

作者：

Basu, Sukanta ^{[1
]}

Holtslag, Albert A. M. ^{[2
]}

Van De Wiel, Bas J. H. ^{[2
]}

Moene, Arnold F. ^{[2
]}

Steeneveld, Gert-Jan ^{[2
]}

机构：

[1] Texas Tech Univ, Dept Geosci, Atmospher Sci Grp, Lubbock, TX 79409 USA

[2] Wageningen Univ, Dept Meteorol & Air Qual, Wageningen, Netherlands

来源：

ACTA GEOPHYSICA | 2008年 / 56卷 / 01期

基金：

美国国家科学基金会;

关键词：

boundary condition; land-atmosphere interaction; large-eddy simulation; PBL modelling; stable boundary layer;

D O I：

10.2478/s11600-007-0038-y

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

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.

引用

页码：88 / 99

页数：12

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