Abstract
A physical and mathematical model of the vertical heat and moisture transfer and the carbon exchange in the soil-vegetation-atmosphere system is proposed that includes the interaction between these processes. The model describes the interception of precipitation by plants and its further evaporation, transpiration, evaporation from a soil surface as well as vertical moisture transfer, photosynthesis, and plant and soil respiration. The model has been verified against data from observations of heat, moisture, and carbon dioxide fluxes at a grassland site (international FIFE experiment, Kansas, United States), in a pine forest (BOREAS, Saskatoon, Canada), and in a broad-leaved mixed forest (FLUXNET measurements in the southeastern United States). Numerical experiments with the models have been conducted to estimate the influence of soil moisture and atmospheric CO2 concentration on transpiration and carbon exchange of the vegetation cover.
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Original Russian Text © L.S. Kuchment, V.N. Demidov, Z.P. Startseva, 2006, published in Izvestiya AN. Fizika Atmosfery i Okeana, 2006, Vol. 42, No. 4, pp. 539–553.
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Kuchment, L.S., Demidov, V.N. & Startseva, Z.P. Modeling of vertical heat and moisture transfer and carbon exchange in the soil-vegetation-atmosphere system. Izv. Atmos. Ocean. Phys. 42, 497–510 (2006). https://doi.org/10.1134/S0001433806040098
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DOI: https://doi.org/10.1134/S0001433806040098