Physics
Scientific paper
Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998blgj...24....5y&link_type=abstract
Bulgarian Geophysical Journal, vol. 24, p. 5
Physics
Baroclinity, Planetary Boundary Layer, Mathematical Models, Atmospheric Temperature, Wind Profiles, Atmospheric Stratification, Ekman Layer, Surface Layers, Ocean Surface, Wind (Meteorology), Heat Transfer
Scientific paper
The temperature and wind profiles in a baroclinic Planetary Boundary Layer (PBL) are investigated. Assuming stationarity, the turbulent state in the PBL at stable and neutral conditions is uniquely determined by the Rossby number, the external stratification parameter and two external baroclinic parameters. A simple two-layer baroclinic model is developed. It consists of a Surface Layer (SL) and overlying Ekman type layer. The system of dynamic and heat transfer equations is close using the K-theory. In SL the turbulent exchange coefficient is consistent with the results of similarity theory while in the Ekman layer it is constant. The universal functions in the resistance, heat and humidity transfer laws can be deduced from the model. The internal PBL characteristics, necessary for the model calculations, are presented in terms of the external parameters. Favourable agreement of model results with experimental data is demonstrated.
Djolov G.
Syrakov D.
Yordanov D.
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