Application of a three-dimensional model for assessing effects of small clear-cuttings on radiation and soil temperature |
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| Authors: | A. Olchev K. Radler A. Sogachev O. Panferov G. Gravenhorst |
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| Affiliation: | 1. A.N. Severtsov Institute of Ecology and Evolution of the RAS, Leninsky Pr. 33, Moscow, Russia;2. Department of Bioclimatology, Buesgen-Institute, Georg-August University, Göttingen, Germany;3. Division of Atmospheric Sciences and Geophysics, Department of Physics, University of Helsinki, Helsinki, Finland;4. Wind Energy Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark, Roskilde, Denmark |
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| Abstract: | A three-dimensional model Mixfor-3D of soil–vegetation–atmosphere transfer (SVAT) was developed and applied to estimate possible effects of tree clear-cutting on radiation and soil temperature regimes of a forest ecosystem. The Mixfor-3D model consists of several closely coupled 3D sub-models describing: forest stand structure; radiative transfer in a forest canopy; turbulent transfer of sensible heat, H2O and CO2 between ground surface and the atmospheric surface layer; evapotranspiration of ground surface vegetation and soil; heat and moisture transfer in soil. The model operates with the horizontal grid resolution, 2 m × 2 m; vertical resolution, 1 m and primary time step, 1 h. |
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| Keywords: | Three-dimensional SVAT model Forest ecosystem Clear-cut Solar radiation Turbulent exchange Soil temperature |
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