Author： Sorbjan Zbigniew
Publisher： Springer Publishing Company
ISSN： 0006-8314
Source： Boundary-Layer Meteorology, Vol.116, Iss.3, 2005-09, pp. : 467-486
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Abstract
Convection in a quasi-steady, cloud-free, shear-free atmospheric boundary layer is investigated based on a large-eddy simulation model. The performed tests indicate that the characteristic (peak) values of statistical moments at the top of the mixed layer are proportional to the interfacial scales (from gradients of scalars in the interfacial layer). Based on this finding a parameterization is proposed for profiles of scalar variances. The parameterization employs two, semi-empirical similarity functions
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