Abstract
Presented results of using a thermodynamic approach to study the functioning of mountain forest biogeocenoses based on Landsat 8 OLI TIRS multispectral scanner survey for the landscapes of the northwestern Khubsugul region. Using the example of a section of the ridge. Khordol-Sardag considers the spatiotemporal variation of thermodynamic characteristics calculated within the framework of the nonequilibrium Tsallis thermodynamics model. The order parameters of the thermodynamic system (invariant states) are identified based on the principal component method. For each invariant, we assessed the contribution of relief and the leading morphometric characteristics that determine its spatial variation identified. The vertical temperature gradient in different seasons estimated. Shown that in conditions of a sharply continental climate, the thermodynamic system of mountain forests has three functional subsystems responsible for evaporation, thermal field and productivity. Shown that an increase in the mass of woody vegetation increases energy absorption and evapotranspiration, but reduces the disequilibrium of solar energy conversion.
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