Journal
ACTA GEOPHYSICA
Volume 56, Issue 1, Pages 88-99Publisher
SPRINGER INT PUBL AG
DOI: 10.2478/s11600-007-0038-y
Keywords
boundary condition; land-atmosphere interaction; large-eddy simulation; PBL modelling; stable boundary layer
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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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