Three-dimensional modelling of turbulent transfer in the atmospheric surface layer using the theory of contrast structures

Levashova N.T., Muhartova Ju.V., Olchev A.V.
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A three-dimensional (3D) hydrodynamic model to describe the spatial patterns of wind and turbulence characteristics in the atmospheric surface layer over inhomogeneous vegetation cover is presented. To describe the interaction of air flow with vegetation the theory of contrast structures is used. The numerical experiments provided by a developed model to assess the impact of small clear-cutting on wind and turbulent regime in the atmospheric surface layer showed a significant influence of heterogeneous vegetation on the wind field and the turbulent exchange processes between the land surface and the atmosphere. Obtained results give a reasonable agreement with field experimental data and results of numerical experiments provided using alternative models.

Keywords: 3D hydrodynamic model, turbulent exchange, contrast structure, clear-cut area, atmospheric surface layer
Citation in English: Levashova N.T., Muhartova Ju.V., Olchev A.V. Three-dimensional modelling of turbulent transfer in the atmospheric surface layer using the theory of contrast structures // Computer Research and Modeling, 2016, vol. 8, no. 2, pp. 355-367
Citation in English: Levashova N.T., Muhartova Ju.V., Olchev A.V. Three-dimensional modelling of turbulent transfer in the atmospheric surface layer using the theory of contrast structures // Computer Research and Modeling, 2016, vol. 8, no. 2, pp. 355-367
DOI: 10.20537/2076-7633-2016-8-2-355-367
URL: http://crm-en.ics.org.ru/journal/article/2443/
Creative Commons License This work is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License.
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