Simulation of the diurnal evolution of the atmospheric boundary layer |
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Authors: | B B Ilyushin |
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Institution: | 1. Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, ul. Ak. Lavrent’eva 1, Novosibirsk, 630090, Russia 2. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia
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Abstract: | Results of simulating the diurnal evolution of the atmospheric boundary layer (ABL) with a second-order closure model are presented. The model includes new algebraic expressions for triple correlations to describe their behavior over the entire height of the mixed layer adequately to measurements. The model also takes into account the influence of long-wave radiation on the heat balance, which becomes important in the nocturnal ABL. The modeling results are compared with 24-h ABL evolution simulations by the third-order closure model and available in situ and laboratory measurements. |
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