A generalized "z-less" mixing length-scale for stable atmospheric boundary layers (CROSBI ID 146738)
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Grisogono, Branko
engleski
A generalized "z-less" mixing length-scale for stable atmospheric boundary layers
Recent research suggests that the evolution of the stable ABL is still poorly understood. Certain advances in theory and modeling of the stable ABL (SABL) are assessed. Inclined strongly SABL is addressed. We show that a relatively thin and strongly SABL, as recently modeled using an improved "z-less" mixing length, can be successfully treated ; the result is quietly extended to other types of SABL. Finally, a generalized "z-less" mixing length is proposed.
Katabatic flow; Monin-Obukhov length; Numerical modeling; Parameterization; Prandtl number; Richardson numbers; Stratified turbulence; Very stable boundary layer
This study was supported by EMEP4HR project No. 175183/S30 provided by the Research Council of Norway and by the Croatian Ministry of Science, Education & Sports, projects BORA No. 119-1193086-1311. Ukrainian Hydro-Meteorological Journal is an experimental journal of the University of Odessa and therefore ISSN is not available.
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